No. 10 GARTH : BRACHYURAN FAUNA OF THE GALAPAGOS 363 



Range. — From Cape San Lucas, Lower California (Xantus), to La 

 Libertad, Ecuador (Velero III); Galapagos Islands (Crocker Expedi- 

 tion) ; also occurs in the Atlantic. 



Diagnosis. — Carapace circular except for slightly concave postero- 

 lateral margins, length and breadth subequal. Anterolateral margins with 

 beaded edge and a terminal denticle. Eyes large, orbits prominent, especi- 

 ally in young. 



Material examined (69 specimens from 18 stations). — 

 25-33. Gardner Bay, Hood Island, 2 fms, Jan. 24, 1933, 3 young 



(USNM No. 68019). 

 57-33. Post Office Bay, Charles Island, 4 fms, Feb. 6, 1933, 2 young 



(AHFno. 33011). 

 81-33. Conway Bay, Indefatigable Island, 6 fms, Feb. 16, 1933, 



1 soft shell (USNM No. 68018). 

 84-33. South Seymour Island, 13 fms, Feb. 18, 1933, 2 young (AHF 



no. 33012). 

 87-33. South Seymour Island, 15 fms, Feb. 19, 1933, 1 male, 2 young, 



soft shell (AHF no. 33013). 

 145-34. North end of Albemarle Island, 6-7 fms, Jan. 12, 1934, 3 



males, 2 females (USNM No. 69165). 

 146-34. North end of Albemarle Island, shore, Jan. 12, 1934, 2 males 



(USNM No. 69172). 

 170-34. East of Wreck Bay, Chatham Island, 32 fms, Jan. 21, 1934, 2 



young (AHFno. 34042). 

 173-34. South Seymour Island, 5 fms, Jan. 22, 1934, 5 young (USNM 



No. 69329). 

 196-34. North of Charles Island, 8-10 fms, Jan. 29, 1934, 1 young 



(AHFno. 34043). 

 204-34. Gardner Bay, Hood Island, 30 fms, Jan. 31, 1934, 3 females 



(AHFno. 34044). 

 329-35. Tagus Cove, Albemarle Island, 10 fms, Dec. 10, 1934, 1 young 



(AHFno. 35015). 

 360-35. Gardner Bay, Hood Island, 3 fms, Dec. 19, 1934, 4 young 



(AHFno. 35016). 

 783-38. Darwin Bay, Tower Island, 40-70 fms, Jan. 16, 1938, 1 male 



(AHFno. 38027). 

 785-38. Darwin Bay, Tower Island, 20-40 fms, Jan. 17, 1938, 13 



young (1 photographed) (AHF no. 38028). 

 790-38. South Seymour Island, 10-20 fms, Jan. 19, 1938, 7 young 



(AHFno. 38029). 

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

 (AHFno. 38030). 



