80 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 13 



LITERATURE CITED 



Atlas Climatologico de Mexico 



1939. Seer. Agr. y Fom., Mexico, D. F. 



Dampier, William 



1703. A new voyage around the world. 5th ed. 



Eastwood, Alice 



1929. Studies in the flora of Lower California and adjacent islands. Proc. 

 Calif. Acad. Sci. IV, 18:442-468. 



Ferris, Roxana S. 



1925. Preliminary report on the flora of the Tres Marias Islands. Contr. Dud. 

 Herb. Stanford Univ. 1 :65-90. 



Grayson, A. J. 



1871. On the physical geography and natural history of the islands of Tres 

 Marias, etc. Proc. Boston Soc. Nat. Hist. 14:261-302. 



Hanna, G. Dallas 



1926. Expedition to the Revillagigedo Islands, Mexico, in 1925. Proc. Calif. 

 Acad. Sci. IV, 15:66-76. 



Nelson, E. W. 



1899. General description of Tres Marias Islands. No. Am. Fauna 14:7-13. 



Rose, J. N. 



1899. Plants of the Tres Marias Islands. No. Ara, Fauna 14:77-91. 



Zeuner, F. E. 



1945. The Pleistocene period. Ray Society, Pub., pp. 1-322. 



