504 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 5 



346-35. Between South Seymour and Daphne Islands, 55 fms, Dec. 



13, 1934, 1 male, 2 females, 2 fragments. 

 347-35. South Seymour Island, 3 fms, Dec. 13, 1934, 3 males. 

 792-38. Ofif Daphne Minor Island, 70-80 fms, Jan. 20, 1938, 2 males, 



16 females, including the holotype (AHF no. 386). 

 795-38. Sulivan Bay, James Island, 35-40 fms, Jan. 21, 1938, 2 males, 



1 female. 

 814-38. North of Hood Island, 20-40 fms, Jan. 28, 1938, 12 females. 

 Measurements. — Female holotype: length 6.9 mm, width 9.9 mm, 

 length of second ambulatory leg 14.3 mm; largest male paratype: length 

 4.1 mm, width 4.9 mm. 



Habitat. — Sand, sand and shell, sand and nullipore, sand and coral; 

 mud, mud and shell, mud and sand ; rock. 

 Depth. — 3-80 fms. 



Remarks. — This species was erroneously recorded as occurring in 

 depths to 150 fms, apparently through inadvertency in including a Wen- 

 man Island station, at which only C. fragilis Rathbun and C. cortezi 

 Crane were taken. 



Family G RAPS I DAE 



Subfamily GrAPSINAE 



Genus GRAPSUS Lamarck, 1801 



Grapsus grapsus (Linnaeus) 



Plate 86, Figs. 1, 2 



Cancer grapsus Linnaeus, Syst. Nat., ed. 10, vol. 1, p. 630, 1758. 

 Grapsus grapsus Ives, Proc. Acad. Nat. Sci. Philadelphia, p. 190, 1891. 

 Faxon, Mem. Mus. Comp. ZooL, vol. 18, p. 30, 1895. Rathbu^, 

 Bull. 97, U.S. Nat. Mus., p. 227, pis. 53 and 54, and synonymy, 

 1918. Boone, Zoologica, vol. 8, no. 4, p. 244, fig. 90, 1927. Sivertsen, 

 Med. fra det Zool. Mus., Oslo, nr. 38, p. 18, 1933. Crane, Zoo- 

 logica, vol. 22, no. 3, p. 77, 1937. 

 P achy grapsus crassipes Boone, Zoologica, vol. 8, no. 4, p. 257, fig. 93, 

 1927. 

 Type localities. — America and Ascension Island. 

 Types. — Not extant. 



Range. — San Benito Islands, Lower California (Anthony), to Mol- 

 lendo, Peru (Coker) ; Galapagos Islands (Hassler) ; occurs also in the 

 Atlantic. 



Diagnosis. — Carapace discoidal with transverse granular ridges. Front 

 almost vertical. Fingers with spoon shaped tips. 



