REVISERS OF THE FIFTH EDITION OF DREW'S 

 INVERTEBRATE ZOOLOGY 



James A. Dawson, A.B., M.A., Ph.D. 



Associate Professor of Biology, The College of the City of New York. 



Instructor in Invertebrate Zoology Course, Marine Biological 



Laboratory, 1920-1925. 



Instructor in Charge of Invertebrate Zoology Course, Marine Biological 



Laboratory, 1926-1931. 



Leonard P. Sayles, A.B., A.M., Ph.D. 



Assistant Professor of Biology, The College of the City of New York. 



Instructor in Invertebrate Zoology Course, Marine Biological 



Laboratory, 1930- 



