Excerpt from Journal de Conchyliologie, 1872, Vol. 20 La cavit??? des tentacules sup???rieurs est munie de deux tubercules ext???rieurs; l'un en dehors, l'autre en dedans du tentacule. Les tentacules, tr???s - ???cart???s, sont r???tractiles, m???diocre ment allong???s et assez ???troits. Ils se composent d'un p???doncule nu, atteignant la moiti??? de la longueur totale, transparent, et d'une portion lamelleuse l???g???rement coud???e, ovale - allong???e, portant une dizaine de lames obliques, blanches, bien d???tach???es ...
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Excerpt from Journal de Conchyliologie, 1872, Vol. 20 La cavit??? des tentacules sup???rieurs est munie de deux tubercules ext???rieurs; l'un en dehors, l'autre en dedans du tentacule. Les tentacules, tr???s - ???cart???s, sont r???tractiles, m???diocre ment allong???s et assez ???troits. Ils se composent d'un p???doncule nu, atteignant la moiti??? de la longueur totale, transparent, et d'une portion lamelleuse l???g???rement coud???e, ovale - allong???e, portant une dizaine de lames obliques, blanches, bien d???tach???es. Il existe 13 branchies r???tractiles, qui atteignent et d??? passent les bords du manteau, lorsqu'elles sont ???tal???es en cercle autour de l'anus qui a la forme d'un petit tube. Chaque feuillet branchial est form??? par un axe lengilu dinal, d'o??? partent des lamelles transverses simples, alter nativement longues et courtes. La treizi???me branchie est plac???e imm???diatement en arri???re de l'anus. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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