Report of the Canadian Arctic Expedition, 1913-18, Vol. 8

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Excerpt from Report of the Canadian Arctic Expedition, 1913-18, Vol. 8: Mollusks, Echinoderms, Coelenterates, Etc, , Part H, Medusæ and CtenophoraStation 209, port Clarence, Alaska, August 4, 1913, 2 - 3 fathoms, 2 speci mens, both about 12 mm. Broad, with well-developed gonads.Although this genus has been the subject of a great deal of study, not only from the morphological (clark, 1863, 1878, Gross, but also from the varietal standpoint (browne, it is still. Impossible to draw any sharp lines between the several species generally recognized.1 This is partly due to the fact that the various studies on its variations were not undertaken with this end in view, partly to the homogeneity of the genus as a whole, but chie¿y to the intergrading nature of the characters which have been used to delimit species and to the changes which take place in them with growth during the normal life of the Medusa, as well as after preservation.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.