📗 Excerpt from Traité de ZoologieF1scl1cr). Cale. Deux appen dices en forme de lobes, les lobes buccaux (très déve10ppézs pendant la pé110de larvaire sous la femme de voile); il 1essemble à un sac musculeux enve10ppanl les viscères, sur lequel apparaît plus tard, par suite des progrès du développe ment, une différenciation en régions distinctes.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.