No. 10 garth: brachyuran fauna of the galapagos 453 



315-35. Opposite Gordon Rocks, Indefatigable Island, coral, Dec. 8, 



1934, 1 ovig. female. 

 333-35. James Bay, James Island, shore, Dec. 11, 1934, 10 males (1 



photographed ) , 5 females ( 2 ovig. ) . 

 343-35. Sulivan Bay, James Island, shore, Dec. 12, 1934, 6 males, 1 



ovig. female. 

 350-35. South Seymour Island, shore, Dec. 13, 1934, 3 males, 2 fe- 

 males. 

 351-35. South of Black Beach, Charles Island, shore, Dec. 14, 1934, 1 



male. 

 359-35. Osborn Island in Gardner Bay, Hood Island, shore, Dec. 19, 



1934, 15 males, 10 females. 

 782-38. Darwin Bay, Tower Island, shore, Jan. 16, 1938, 1 male. 

 789-38. South Seymour Island, shore, Jan. 19, 1938, 2 males, 2 females. 

 796-38. Sulivan Bay, James Island, shore, Jan. 21, 1938, 6 males, 2 



females. 

 800-38. Cartago Bay, Albemarle Island, shore, Jan. 22, 1938, 1 male, 

 1 female. 

 Measurements. — Largest specimen, male: length 8.3 mm, width 11.8 

 mm, cheliped (rigid) coxa to elbow 6.5 mm, elbow to tip of dactyl 10.0 

 mm, chela 10.0 mm, dactyl 5.8 mm. 



Color in life. — Gastric, cardiac, and intestinal regions pale yellow 

 ochre. Branchial area pale pinkish white. Frontal and anterolateral mar- 

 gins pale red orange. Chelipeds pale orange to white with a few reddish- 

 orange spots on carpus and hand. Fingers a rich dark hazel brown with 

 dull yellow tips. Ambulatory legs dull yellow shaded with Van Dyke 

 red. (Petersen) 



Habitat. — In coarse gravel near high tide level. 

 Depth. — Shore to 3 fms. 



Remarks. — L. lamellipes is found with Leptodius cooksoni Miers and 

 Cycloxanthops vittatus (Stimpson) in coarse gravel near high tide level. 

 These three species appear to require less moisture than most of the 

 Xanthidae. 



Genus LOPHOPANOPEUS Rathbun, 1898 



Lophopanopeus maculatus Rathbun 



Plate 78, Figs. 3, 4 



Lophopanopeus maculatus Rathbun, Proc. U.S. Nat. Mus., vol. 21, p. 

 588, pi. 40, figs. 10 and 11, 1898; Bull. 152, U.S. Nat. Mus., p. 330, 

 text fig. 51, 1930. 

 Type locality. — Southern part of Gulf of California, 8 fms. 



Type.—U^NM No. 21585. 



