Bulletin of the Museum of Comparative Zoology 

 AT HARVARD COLLEGE. 



Vol. L. No. 5. 



VERTEBRATA FROM YUCATAN. 



INTRODUCTION. AVES. 

 By Leon J. Cole. 



MAMMALIA. 

 By Glover M. Allen. 



REPTILIA; AMPHIBIA; PISCES. 

 By Leon J. Cole and Thomas Barbour. 



With Two Plates. 



CAMBRIDGE, MASS., U.S.A.: 



PRINTED FOR THE MUSEUM. 



November, 1906. 



