 According to Professor Williamson the young Melicerta commences her house by secreting " a thin hyaline cylinder," and the first row of pellets are deposited, not at the base as would be expected, but in a ring about the middle of the tube. " At first...  The Naturalist - Seite 1311865Vollansicht - Über dieses Buch
 | 1853 - 488 Seiten
...the animal. They appear to have some internal connection with the thin membraneous cylinder (32 a). At first, new additions are made to both extremities of the enlarging ring. But the jerking contractions of the animal at length force the caudal end of the cylinder down upon the leaf, to which... | |
 | Andrew Pritchard - 1861 - 1072 Seiten
...the middle of the body, and appear to have some internal connexion with the thin membranous cylinder. At first, new additions are made to both extremities of the enlarging ring ; but the jerking contractions of the animal at length force the caudal end of the cylinder down upon the leaf, to which... | |
 | Henry James Slack - 1871 - 212 Seiten
...by secreting " a thin hyaline cylinder," and the first row of pellets are deposited, not at the base as would be expected, but in a ring about the middle...becomes securely cemented by the same viscous secretion as causes the little spheres to cohere." Round the margins of the lobes or expansions may be seen delicate... | |
 | Henry James Slack - 1878 - 186 Seiten
...by secreting " a thin hyaline cylinder," and the first row of pellets are deposited, not at the base as would be expected, but in a ring about the middle...becomes securely cemented by the same viscous secretion as causes the little spheres to cohere." Round the margins of the lobes or expansions may be seen delicate... | |
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