

p. 



COLUMBIA UNIVERSITY BIOLOGICAL SERIES. IIL 



FISHES, LIVING AND FOSSIL 



AN OUTLINE OF THEIR FORMS AND 

 PROBABLE RELATIONSHIPS 



BY 



BASHFORD DEAN, PH.D. 



INSTRUCTOR IN BIOLOGY, COLUMBIA COLLEGE, NEW YORK CITY 



fforfe 

 MACMILLAN AND CO. 



AND LONDON 



All rights reserved 



