Zoological Laboratory Manuals 



THE FCETAL PIG 



By W. J. Baumgartner 



THE RAT 



By Harrison R. Hunt 



THE CAT 



By Robert Payne Bigelow 



NECTURUS 



By L. A. Adams 



THE SPINY DOGFISH 

 By Alvin R. Cahn 



THE SKATE 



By Charles W. Creaser 



THE FROG 



By Waldo Shumway 



