448 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 5 



Material examined (32 specimens from 7 stations). — 

 49-33. Academy Bay, Indefatigable Island, shore, Feb. 3, 1933, 11 



specimens. 

 153-34. NE point of Narborough Island, shore, Jan. 14, 1934, 1 



fragment. 

 168-34. Academy Bay, Indefatigable Island, shore, Jan. 20, 1934, 1 



male, 3 females ( 1 ovig. ) . 

 314-35. Academy Bay, Indefatigable Island, shore, Dec. 7, 1934, 10 



specimens. 

 811-38. Barrington Island, coral, Jan. 26, 1938, 1 male, 3 females. 

 811a-38. Barrington Island, Pavona coral, Jan. 26, 1938, 1 young male. 

 -38. Academy Bay, Indefatigable Island, shore, no date, collected 

 by Karl Kiibler, 1 male (photographed). 

 Measurements. — Largest specimen, broken male: length 13.7 mm, 

 width 21.5 mm, cheliped (detached) 24.6 mm, chela 14.2 mm, dactyl 

 7.7 mm. 



Color in life. — Carapace a patchwork of 4 distinct colors: rose, yellow 

 green, purplish black, and light blue. Chelipeds rich Mars brown con- 

 tinued on fingers, tips of dactyls white. Ambulatory legs opalescent, 

 predominately lavender, blue, brown, and yellow green. Dactyls bright 

 lemon yellow. (Petersen) 



Habitat. — Lower levels of rocky beach under lava boulders. 

 Depth. — Shore. 



Remarks. — This species may be readily distinguished from the follow- 

 ing L. cooksoni Miers by the carinate chelae, the areolate carapace, and 

 the well-defined anterolateral teeth. Repeated searching has failed to 

 reveal its presence in more than one locality. Academy Bay, in even 

 moderate numbers. It is found at a considerably lower level of the beach 

 than is L. cooksoni. 



Leptodius cooksoni Miers 



Plate 77, Fig. 3 ; Plate 79, Fig. 3 



Leptodius cooksoni Miers, Proc. Zool. Soc. London, p. 73, pi. 12, figs. 



1-ld, 1877. Rathbun, Proc. U.S. Nat. Mus., vol. 21, p. 589, 1898; 



Bull. 152, U.S. Nat. Mus., p. 310, pi. 142, and synonymy, 1930. 



Boone, Zoologica, vol. 8, no. 4, p. 188, fig. 65, 1927. Sivertsen, Med. 



fra det Zool. Mus., Oslo, nr. 38, p. 14, 1933. Schmitt, Smithsonian 



Misc. Col., vol. 98, no. 6, p. 25, 1939. 

 Xanthodius lobatus Rathbun, Zoologica, vol. 5, no. 14, p. 158, 1924. 



Boone, Zoologica, vol. 8, no. 4, p. 191, fig. 66, 1927. 

 Type locality. — Charles Island, Galapagos Islands. 

 Type. — In Brit. Mus. 



