7 
LABORATORY GUIDE 
FOR THE STUDY OF ag 
TRE CROC 
AN INTRODUCTION TO ANATOMY, HISTOLOGY 
AND PHYSIOLOGY 
BY 
BERTRAM. G. SMITH, Pa.D. 
Assistant Professor of Zoology in the Department of Natural Science, 
Michigan State Normal College, Ypsilanti 
PRESS OF 
THE NEW ERA PRINTING COMPANY 
LANCASTER, PA. 
1914 
