626 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 5 



LITERATURE CITED 



Baur, George 



1891. On the Origin of the Galapagos Islands. Am. Nat., vol. 25, pp. 217- 



229, 307-326. 

 1895. The Differentiation of Species in the Galapagos Islands and the Origin 



of the Group. Biol. Lect. M.B.L. Woods Hole, pp. 67-78. 

 1897. New Observations on the Origin of the Galapagos Islands, v^ith 



Remarks on the Geological Age of the Pacific Ocean. Am. Nat., vol. 



31, pp. 661-680, 864-896 (incomplete). 



Boone, Lee 



1927. The Littoral Crustacean Fauna of the Galapagos Islands. Part 1: 

 Brachyura. Zoologica, vol. 8, no. 4, pp. 127-288, text figs. 34-101. 



Darwin, Charles 



1839. In Fitz Roy, Robert: Narrative of the surveying voyages of His 

 Majesty's Ships Adventure and Beagle, between the years 1826 and 

 1836, describing their examination of the southern shores of South 

 America and the Beagle's circumnavigation of the Globe. 3 vols, and 

 appendix. Vol. 3 Journal and Remarks by Charles Darwin, pp. 1-460. 



1845. Journal of Researches into the Natural History and Geology of the 

 Countries Visited during the Voyage of H.M.S. Beagle round the 

 World, under the command of Capt. Fitz Roy, R.N. 2 vols. pp. 138-176. 



FiNNEGAN, Susan 



1931. Report on the Brachyura collected in Central America, the Gorgona 

 and Galapagos Islands, by Dr. Crossland on the 'St. George' Expedi- 

 tion to the Pacific, 1924-25. Journ. Linn. Soc, Zool., vol. 37, no. 255, 

 pp. 607-673, text figs. 1-6. 



Garth, John S. 



1939. New Brachyuran Crabs from the Galapagos Islands. Allan Hancock 

 Pac. Exped., vol. 5, no. 2, pp. 9-29, pis. 1-10. 



1946. Littoral Brachyuran Fauna of the Galapagos Archipelago. Allan 

 Hancock Pac. Exped., vol. 5, no. 10, pp. 341-602, pis. 49-87, text fig. 1. 



Glassell, S. a. 



1940. In Garth, J. S.: Some New Species of Brachyuran Crabs from Mexico 

 and the Central and South American Mainland. Allan Hancock Pac. 

 Exped., vol. 5, no. 3, pp. 67-70, pi. 17. 



Jordan, D. S. 



1908. The Law of Geminate Species. Amr. Nat., vol. 42, pp. 73-80. 



Murphy, R. C. 



1936. Oceanic Birds of South America. Amer. Mus. Nat. Hist., New York. 

 Vols. 1-2, pp. 1-1245, pis. 1-72, text figs. 1-80. 



Rathbun, M. J. 



1899. The Brachyura collected by the U. S. Fish Commission Steamer Alba- 

 tross on the Voyage from Norfolk, Virginia, to San Francisco, Cali- 

 fornia, 1887-1888. Proc. U.S. Nat. Mus., vol. 21, pp. 567-616, pis. 

 41-44. 



1918. The Grapsoid Crabs of America. Bull. 97, U.S. Nat. Mus., pp. 1-461, 

 pis. 1-161. 



1925. The Spider Crabs of America. Bull. 129, U.S. Nat. Mus., pp. 1-613, pis. 

 1-283. 



1930. The Cancroid Crabs of America. Bull. 152, U.S. Nat. Mus., pp. 1-593, 

 pis. 1-230. 



