A Course in Invertebrate Zoölogy

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Excerpt from A Course in Invertebrate Zoölogy: A Guide to the Dissection and Comparative Study of Invertebrate AnimalsIn order that the systematic position of the animals examined and their larger affinities may be easily kept in mind, a synopsis of the animal kingdom expressing the relationships of the various groups has been' added in an appendix.The course begins with arthropods, because the natural succession of forms from the lowest to the highest is more apparent in them than in any other group of invertebrates, and it is, consequently, easier for a beginner, by studying them, to learn to appreciate the real significance of the blood relationship of animals. Arthropods are also perhaps the most convenient animals with which to teach the fundamental prin ciples of invertebrate morphology. Whether, however, the student begins his course with insects or with crustaceans, and whether the first insect taken up is the wasp or the grasshopper, will be matters for the decision of the teacher. The course has been so arranged that any of these methods of beginning may be adopted.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.