97 pages : frontispiece (map) illustrations ; 23 cm
OCLC
ocm03733859
Bibliography: pages 93-94.
General account of the islands, with reports on mammals and birds, by E. W. Nelson.--Reptiles of the Tres Marias, by Leonhard Stejneger.--Notes on Crustacea of the Tres Marias, by Mary J. Rathbun.--Plants of the Tres Marias, by N. J. Rose.--Bibliography of the Tres Marias, by E. W. Nelson