A Study of Factors Controlling the Rate of Regeneration: Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Arts

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Excerpt from A Study of Factors Controlling the Rate of Regeneration: Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Arts in Zoology in the Graduate School of the University of Illinois, 1912Hydra oligactus is stalked, has very long tentacles, often several inches in length, when fully expanded, has three kinds of nematocysts, the embryonic chitinous membrane is spherical, has very short spines, ordinarily the sexes are separate, sexual activity is most frequent in winter.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.