^ t- 



\^^/f THE 



FROG: 



AN INTRODUCTION TO 



ANATOMY, HISTOLOGY, AND 

 EMBRYOLOGY. 



BY 



A. MILNES MARSHALL, M.D., D.Sc, M.A., F.R.S., 

 • ♦ t 



LATE FELLOW OF ST. JOHN's COLLEGE, CAMBRIDGE; 



PROFESSOR IN THE VICTORIA UNIVERSITY ; 

 BEYER PROFESSOR OF ZOOLOGY IN OWENS COLLEGE. 



mttb BDftion. 



Revised and Illustrated. 



MANCHESTER : 

 CORNISH, i6, ST. ANN'S SQUARE 



LONDON : 

 ITH ELDER, & CO., WATERLOO PLACE. 



1894. 



