CONTENTS. 



Page. 



General description of the Tres Marias Islands, Mexico. By E. W. Nelson 7 



Mammals of the Tres Marias Islands. By E. W. Nelson 15 



Birds of the Tres Marias Islands. By E. W. Nelsou 21 



Reptiles of the Tres Marias Islands. By Leonhard Stejneger 63 



Notes 011 Crustacea of the Tres Marias Islands. By Mary J. Rathbun 73 



Plants of the Tres Marias Islands. By J. N. Rose 77 



Partial Bibliography of the Tres Marias Islands. By E. W. Nelson 93 



ILLUSTRATIONS. 



PLATE. 

 Map of the Tres Marias Islands Frontispiece. 



FIGURES. 



Page. 



1. Erythrina lanata Rose 81 



2. Euphorbia nelsoni Millspaugh 89 



5 



