344 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 5 



the opportunity of visiting the Galapagos Islands and of studying the 

 collections, to Dr. Waldo L. Schmitt, former curator of marine inverte- 

 brates, U. S. National Museum, for assistance both in the field and in 

 the laboratory, to the late Dr. Mary J. Rathbun, associate in zoology, 

 U. S. National Museum, for assistance in the early stages of the work, to 

 Dr. Isabella Gordon of the British Museum, Dr. Fenner A. Chace of 

 the Hai-vard Museum of Comparative Zoology, and Miss Jocelyn Crane 

 of the New York Zoological Society for comparison of specimens with 

 types not easily accessible to the writer and for the loan of valuable speci- 

 mens, to Mr. Steve A. Glassell, research associate, San Diego Society of 

 Natural History, for the loan of rare publications, and to Messrs. Fred C. 

 Ziesenhenne, Granville P. Ashcraft, and Anker Petersen, staff members 

 of the Allan Hancock Foundation, for help in collecting, cataloguing, and 

 color noting, respectively, the multitude of individual specimens. 



Tribe BRACHYURA 



Subtribe GyMNOPLEURA 



^^vnily RANINIDAE 



Genus RANINOIDES Milne Edwards, 1837 



Raninoides ecuadorensis Rathbun 



Plate 49, Figs. 1-5 



Raninoides ecuadorensis Rathbun, Proc. Biol. Soc. Washington, vol. 

 48, p. 1, 1935; Bull. 166, U.S. Nat. Mus., p. 15, pi. 80, figs. 

 5-7, 1937. 



Type locality. — La Plata Island, Ecuador. 

 Tj;/,^.— USNM No. 69319. 



Range. — Previously knov/n only from the type locality. Unpublished 

 data on the Hancock collections in the possession of the writer show it to 

 be an abundant member of the Gulf of California fauna. 



Diagnosis. — Carapace barrel shaped, anterior portion roughened. 

 Outer orbital tooth almost as advanced as outer rostral tooth. Three long 

 spines on lower border of manus. Dactyls of legs 1-3 crescentic, of leg 

 4 suboval. 



Material examined. — 

 795-38. Sulivan Bay, James Island, 35-40 fms, Jan. 21, 1938, 1 female 

 (AHF no. 38001). 

 Measurements. — Male from the type series: length 20.1 mm, width 

 11.6 mm. 



Color in life. — Ground color of carapace yellowish deep olive buff, 

 entirely overcast with red, giving the appearance of light yellow orange. 



