SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGK. 



FLORA AND FAUNA 



LIYING ANIMALS 



BY 



JOSEPH LEI.DY, M.D., 



P II I L A D E L I' II I A . 



[ACCEPTED FOE PUBLICATION, HECK si HER, 1861.] 



V U L . V. A f, T. 2. 



