Hlemoirs of the Museum of Comparative Soologqn 
AT HARVARD COLLEGE. 
Vor. Exc, No: I: 
SELECTIONS 
FROM 
EMBRYOLOGICAL MONOGRAPHS. 
COMPILED BY 
ALEXANDER AGASSIZ, 
WALTER FAXON, anp E. L. MARK. 
tr Ons PA CEE 
By WALTER FAXON. 
WITH FOURTEEN PLATES. 
CAMBRIDGE: 
Printed for the Museum. 
JuLY, 1882. 
