NEW BRACK YURAN CRABS FROM THE /^^^^ 



GALAPAGOS ISLANDS /5^oO»'%- <-r^ 



(Plates 1-10) '^' 



^^ 



By John S. Garth 



Research Associate 



Allan Hancock Foundation 



The University of Southern California 



INTRODUCTORY REMARKS 



By previous arrangement with Dr. Mary J. Rathbun, preliminary 

 descriptions of three new species of oxystomatous crabs collected in the 

 Galapagos Islands by Allan Hancock Expeditions prior to 1935 ap- 

 peared in the Proceedings of the Biological Society of Washington, vol. 

 46, p. 183, (1933), and vol. 48, pp. 2-3, (1935), and were reviewed 

 with figures in Bulletin 166 of the U. S. National Museum. In keeping 

 with the policy of making expedition results immediately available, it 

 has been thought advisable to publish the corresponding section of the 

 nonoxystomatous crabs at this time, rather than to await the final report 

 on the Hancock Brachyura. 



Color notes given are according to Ridgway, Color Standards and 

 Color Nomenclature (1912), and were made from living specimens at 

 the time of capture by Mr. Anker Petersen, staff artist of the Allan 

 Hancock Foundation, whose illustrations accompany this paper. 



The writer wishes to acknowledge his indebtedness to Dr. Waldo L. 

 Schmitt and Dr. Fenner A. Chace, Jr., for facilities placed at his dis- 

 posal while consulting the collections of the U. S. National Museum 

 and the Museum of Comparative Zoology, Harvard, during the summer 

 of 1937, and to Dr. Mary J. Rathbun and Mr. Steve A. Glassell for 

 helpful advice during the preparation of the manuscript. 



MAJIDAE 



Genus ANOMALOTHIR Miers 



Anomalothir hoodensis, new species 



Plate 1, Figs. 1-4 



Type: Female, holotype, Cat. No. 381, and male, allotype, Allan 

 Hancock Foundation, The University of Southern California, from 

 north of Hood Island, Galapagos, Latitude 1°20'S., Longitude 89°40' 



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