JOURNAL 



OF 



MORPHOLOGY. 



n'A 



EDITED BY 



k 



C. O. WHITMAN, 



>>. 



Professor of Animal Morphology, Clark University, Worcester, Mass. 



WITH THE CO-OPERATION OF 



EDWARD PHELPS ALLIS, Junr., 



Milwaukee. 



V 



Vol. V. 



June, 1891. 



No. 1, 



BOSTON, U.S.A.: 

 GINN & COMPANY. 



Agent for Great Britain : 



W. P. COLLINS, 



137, Gt. Portland Street, 



London, W. 



Agents for Germany : 



R. FRIEDLANDER & SOHN, 



Berlin, N. IV., 



Carlstrasse u. 



Agent for France : 

 JULES PEELMAN, 

 189, Boulevard Saint- 

 Germain, Paris. 



