﻿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. Nelson 21 



Keptiles of the Tres Marias Islands. By Leonhard Stejneger 63 



Notes on 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. Erytlirina lanata Rose 81 



2. Euphorbia nelsoni Millsijangh 89 



5 



