Nature is an exhaustless source of means of
intelligence, 558.

Nématus capreæ F., facts on its habits, 265.
422; instances of the effects of the ravages of
the caterpillar of, 422.

Nématus ribèsii Stephens, facts on, 265.
Nightjar; facts on the migratory movements
of the species which visits Britain, 156. $47,
and note; certain localities of, 156. 347;
information on the habits of a species of
nightjar, in Peru, 633, and the external cha-
racteristics of it, 635; mentions of the night-
cries of the species of nightjar, 156; vulgar
prejudices against species of nightjar, 559,
560; pleas against these, 559, 560; remarks
on the unfitness of certain names applied to
the family of nightjars, 636.
Noddy, the, identified, 74.

Omens and superstitions connected with na-
tural objects, notices of certain, 545-567.
Onion-fly, the, a notice of the habits of, 425; the
fly described, 428. note *.

Ophion vínulæ, see Bombyx menthastri.

Origines zoologicæ, 315. $90.

Otter, notice of a mode of taking the, facts on
the otter's habits, 506. 538; the dimensions
of a fine otter, 592; a species of otter is em-
ployed by man, in India, to aid him in cap-
turing fishes, 592.

Ouzel, water, information on the song, nest,
and habits, and on habitats of, 183, 540-543.
Owls capture fishes, alive, for food, 146; an in-
stance of the barn owl's seeking its food at
midday, 146; the fur and bones of two field
campagnols found in the pellet of an owl, 147;
notes on owls, 335; a notice by Shakspeare,
of the owl's manner of flight, 593; a notice
of omens connected with the owl, 548.
Ox, zoological recollections on the, 390.
Oxycera, a notice of the discovery of unde-
scribed species of, 61.
Oyster-catcher, facts on the habits of, 151. 576.
Papiliónidæ, see Insects.

Paris quadrifolia, the floral conditions of cer-
tain flowers of, 378.

Partridge, the Virginian, Mr. Audubon's notice
of the comparative powers of swimming of,
criticised by Mr. Waterton, 72.

Pea fowl, facts in proof that the, is naturally an
enemy of the serpent tribe, 152.
Petrel, the storm, a defence of, from the pre.
judice extant against, 563.

Pheasant, the, has been seen with the blind
worm (Anguis frágilis) in its beak, 153; a
notice of some of the habits and anatomical
conditions of a pair of hybrid birds obtained
from the union of a male pheasant with hens
of the Bantam fowl, 153, 154; instances of the
pheasant in anomalous plumage, 595.
Phlócerus Menetrièsii Fischer, a mention of,
187, 188.

Phylline gróssa Johnston, a figure and a descrip-
tion of, 587.

Phytolithus verrucosus and cancellatus, figures
of, and remarks upon, 137.
Pigeon, historical and literary recollections on
the, 406.

Pike, the, its capture of a rat and a swallow,
noted, 600.

Plants: on the altitude of the habitats of plants
in Cumberland, with localities of the rarer
mountain species, 20; a notice of the proxi-
mity of the Alpine flowers to the eternal
snows and glaciers, 249; plants and subjacent
rocks, facts in argument; on the relations be-
tween, 274; facts and considerations discord-
ant with the idea of an affinity between plants
and the rocks subjacent to their habitats, 535;
varieties with white corollas of species whose
corolla is not white, instances of, and en-
quiries and conjectures on the cause of them,
536; a notice of habitats of certain less com
mon species of plants in Lexden and its
neighbourhood, in Essex, 18; plants school

Poultry, a few facts and investigations on dis.
cases in, expressed in the language of com-
parative morbid anatomy, 630; a notice of a
barn door hen which crowed and had plumage
like that of a cock, 103.
Pterophori, notes on, with a description of
Pterophorus similidáctylus Curt. 263.
Ptilinus pectinicórnis F. (one of the Ptínida),
facts on the habits of, 473.

Ptinida: the Anòbiuin striatum ticks as a
deathwatch, 468; the ticking imputed to the
larva's gnawing its progress through the wood
which it perforates, 470; instances of the
Ptinida consuming wood, 472.

Pulse, notes on some species of insects which
consume, 255,

Purre, the, breeds at Martin Mere, 599,
Quail, facts on the, 517.

Rabbit, domestic, some instances of depraved
appetite in the, 136.

Racodium cellare, a habitat of, 587.
Rain, a statement of the quantity of, which has
fallen at High Wycombe, Bucks, during the
last ten winters, with remarks, 239.
Rainbow, facts and arguments in relation to the
causes of a singular appearance of a, 448.
Rat, the, an instance of its impatience of thirst
impelling it to gnaw through the wall of a
leaden water-pipe, 455; and to expose itself
by day, after rain, 455, 456. note* ; instances
of rats gnawing, for food, the roots of trees,
456. note t; an instance of a rat's conveying
a brood of young turkeys to a cubterranean
depository, where most of them were found
alive, 457; rats will pass under water upon the
mud at the bottom of the water, 592; facts on
the habits of the water rat, 458,
Ranúnculus Ficària L., an exhibition of the
floral condition of 2682 specimens of, to the
end of determining the genus of, $75.
Rattlesnakes of America, information on the,
165.

Reason versus instinct, 501.

Redpole, a second species of, is thought to exist
in Britain, 488.

Redstart, a male, has aided in sustaining and
protecting the offspring of another pair of
redstarts, 245.

Redwing, the common, is resident, throughout
the year, in the extreme north of Scotland
and in the Isles, 175. See, also, Thrush.
Ringdove, a description of the habits of the,
328; a notice of a male ringdove domesti
cated in a good degree, 517.

Retépora cellulosa Lamarck, synonymes, figures,
and a description of, 638.
Rhine and Rhone, information on the causes of
the colour of the water of the, 438.
Robin, the, an instance of its building its nest
in the festoon of a bed, and rearing a brood
of young there, 517; the nest of the robin
sacred even to boys, 566; a pair of robins

built a nest, late in Nov. 1833, and laid eggs
in it, 157; instances of the robin in white
plumage noted, 598.
Rock-birds, see Birds.

Rodent animals: an instance of unusual length.
ening in the cutting teeth of a squirrel, 142.
Rook: a description of the habits of the rook,
100; facts on the habits of the rook, 244;
facts in proof that the rook is of choice, and
not of necessity, partly granivorous, 459; in-
stances of the rook's feeding on walnuts, 148,
149; companies of rooks delight to assemble
and build near human residences, 149; in-
stances of enmity by the rook and the magpie
to the kestrel hawk, 105. 149; the rook is very
rare in Guernsey and Jersey, and never builds
there, 462; instances of the rook in white
plumage, 594, 595.

Salix, mentions of species of, in incidental re-
lation to the ravages of the caterpillar of the
Nématus càpreæ, 422. and notes and †.
Salmon fish, facts and considerations on the
natural history and political impropriation of
the, 202; considerations in argument that
the salmon ascends rivers for other purposes
besides propagation, 520; reasons for deem-
ing the salmon par but a state of the common
salmon, 521.

Salt, the, of the Mountain of Gern, at Cardona,
in Catalonia, Spain, some account of, 640.
Saurian animals, fossil, a notice of Mr. Haw-
kins's Memoir on, 476; the American great
sea serpent conjectured to be a living saurian
reptile, 246.

Scolopendra eléctrica, a beetle (? Silpha) suf-
fused with luminous matter seen near a, 252.
Scolytus destructor Olivier, facts on the habits
of, 525; Scólytus æ'neus, a figure of, 378.
Sea a note on the luminousness of the sea,
581.

Seal, a description of a, taken at Padstow, Corn-
wall, and supposed to be of the species Phòca
barbata, 508.

Sedge-bird, instances of the imitative powers of
the, 480,

Sempervivum arboreum L., illustrations, by
figures and remarks, of the dissimilar appear.
ances presented by the dead stem of, in the
successive stages of its decay, 32.
Serpent: notice of a recent appearance of the
American great sea serpent, 246; this animal
conjectured to be a living saurian, 246.
Sérpula tubularia Montagu, and a ? variety of,
a figure and description of each, 126; the sy-
nonymes and distinctions of the known Bri-
tish species of Sérpula, 420.

Shakspeare a naturalist, remarks and citations
in proof of, 309; an instance of the exquisite
accuracy and exactness with which Shak.
speare observed natural objects, 593.
Shannon, bones have been found in the soils of
the bed of the; these soils noticed, 5.9.
Sheep, zoological recollections on the, 595.
Shells, a description of some nondescript and
rare British species of, 350, a list of the more
rare species of shells collected at Aberdovey,
Merionethshire, 159; a list of some land and
freshwater species of shells which have been
found in the neighbourhood of Henley on
Thames, 494; a list of species of British land
and freshwater shells collected in the neigh-
bourhood of Rugby, Warwickshire, 160; a
list of species of land and freshwater shells
collected at Witham, Essex, 555; a notice of
the fossil species of shells found in the fresh-
water formation at Copford, near Colchester,
Essex, 46; the names of certain fossil shells
found in lacustrine formations near Ipswich,
Suffolk, 275; a species of Gryphæ a, and one
of Belemnites, are objects of superstition with
the boys of Cambridgeshire, 566.

Shrew, the field, a notice of a superstition con-
nected with, 564; shrew, the water, a habitat
of, 19.

? Silpha a species of, seen suffused with lumin-
ous matter, near a Scolopendra eléctrica, 252.

Sisymbrium polyceràtium L. inhabits Bury St.
Edmunds, Suffolk, 273.

Sky, facts and arguments on the causes of an
unusual appearance of the, 450.
Song of birds, see Birds.

Spain, incidents which befell a person while tra-
velling in, to collect natural objects in, 643.
Sparrow, the tree, a description of the song of,
488; several individuals of this species were
shot, in the winter of 1833, at Lexden, Essex,

518.

Spiders: an illustration of the structure of some
of the organs of a spider, deemed the type of
a new genus, and proposed to be called Tri-
chopus libratus, 10; the names applied, by Mr.
Blackwall, to several species which he has
discovered and described, 13; directions for
preserving the forms of the bodies of killed
spiders, 572; a note on a spider infested with
insects (? A'cari), 467; Aranea labyrinthica in
a notable locality, 537.

Spittle, human, a notice of superstitions con-
nected with, 567.

Spóúngia ? subèria Montagu, a figure and de-
scription of, 491.

Squirrel, an instance of unusual lengthening in
the cutting teeth of the cominon, 142; a com-
mon squirrel, wild, in a party-coloured coat,
has been seen, 142.

Starlings consort with rooks, 106, 183.
Stickleback, facts on the habits of two species
of, 599.

Stoat, facts and considerations on the change of
colour in the fur of the, 504; an opinion that
the white-furred individuals of the common
stoat are permanently and constitutionally
white-furred, 591; the stoat, in its white
garb, is not frequently seen near Stamford,591.
Strata, see Switzerland.

Sugar cane, a notice of the ravages of the herb-
age of the, by Délphax saccharivora West-
wood, 496.

Swallows. See Hirundinidæ and Martins.
Swift, facts in proof that the, builds its own
nest, particulars on its nest and eggs, 462; the
swift missed from the neighbourhood of Al-
lesley, as early, in 1834, as July 25., 465.
Switzerland, facts and considerations on the
conditions of the strata of Mont Blanc, and
other granitic rocks, in, 644; instances of a
contorted condition of the strata in certain
specified localities in, 648.

Sycamore, the sap of the, is sweet, 274.
Sylvia ruta Latham, deemed identical with the
S. loquax Herbert, which is known to be iden
tical with the S. hippolais of British authors,
but distinct from the S. hippolais of Temminck
and Bechstein, 75.

Syrphida, information on the larvæ of the, 184.
Teal, the green-winged, of Britain, and the
green-winged of America, contradistinguish-
ed, 7.

Temperature: data towards determining the
decrease of temperature in connection with
elevation above the sea level, in Britain,
443. 539.

Tenthrèdo amerinæ L. very rarely occurs in
Britain, or not at all, 266.
Tergipes púlcher Johnston, a figure and descrip-
tion of, 490.

Testacéllus, figures, information on the habits,
characteristics, and habitats, of species of, 224.
Thistle, the milky, a notice of a superstition
on, 567.

Thlaspi, characters of Decandolle's sections of
the genus, 65.

Thlaspideæ, characters of the genera and sec-
tions in the tribe, 65.
Throstles have built their nests, when pressed by
necessity, in a surprisingly short space of time,
598; instances of hybrid birds produced be-
tween the throstle and the blackbird, in a
state of nature, 598.
Thrush remarks on the British species of
thrush, 75. 241; date of the redwing's appear
ance, 75; see also Redwing: the small