444 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 5 



Diagnosis. — Carapace and chelipeds rough and spinulous. Antero- 

 lateral margins with 4 compound spines and a subhepatic cluster of 

 spinules. Legs spinulous. Tip of male abdomen concave. 

 Material examined (39 specimens from 19 stations). — 

 47-33. Barrington Island, 2 fms, Feb. 2, 1933, 1 young male. 

 59-33. Off Cormorant Bay, Charles Island, 13 fms, Feb. 6, 1933, 1 



young. 

 148-34. Tagus Cove, Albemarle Island, 12-15 fms, Jan. 13, 1934, 1 



male (photographed), 3 females, 1 young. 

 149-34. Tagus Cove, Albemarle Island, 20 fms, Jan. 13, 1934, 1 male. 

 155-34. Tagus Cove, Albemarle Island, 50-60 fms, Jan. 15, 1934, 1 



female. 

 157-34. Tagus Cove, Albemarle Island, 10-18 fms, Jan. 15, 1934, 1 



male, 1 female. 

 162-34. Black Beach, Charles Island, shore, Jan. 18, 1934, 1 female. 

 167-34. Post Office Bay, Charles Island, 15 fms, Jan. 19, 1934, 1 



female. 

 177-34. Sulivan Bay, James Island, 5-20 fms, Jan. 23, 1934, 1 young 



male. 

 187-34. Cartago Bay, Albemarle Island, 8-10 fms, Jan. 25, 1934, 1 



young. 

 197-34. Off Post Office Bay, Charles Island, 35-40 fms, Jan. 29, 1934. 



1 specimen. 

 311-35. Marchena Island, 20 fms, Dec. 3, 1934, 1 large male, 3 young. 

 322-35. Tagus Cove, Albemarle Island, 10 fms, Dec. 10, 1934, 1 male. 

 330-35. Tagus Cove, Albemarle Island, 12 fms, Dec. 12, 1934, 1 male. 

 346-35. Betvi^een South Seymour and Daphne Islands, 55 fms, Dec. 13, 



1934, 1 male, 1 young. 

 352-35. East of Wreck Bay, Chatham Island, 30 fms, Dec. 15, 1934, 1 



specimen. 

 795-38. Sulivan Bay, James Island, 35-40 fms, Jan. 21, 1938, 5 males, 



4 females, 3 young. 

 807-38. Academy Bay, Indefatigable Island, 10-25 fms, Jan. 24, 1938, 



1 male. 

 810-38. Barrington Island, 48-73 fms, Jan. 26, 1938, 1 male. 



Measurements. — Largest male: length 9.0 mm, w^idth 12.7 mm, 

 cheliped (rigid) coxa to elbow 6.0 mm, elbow to tip of dactyl 10.0 mm, 

 chela 9.3 mm, dactyl 5.8 mm; largest female: length 8.2 mm, width 11.5 

 mm. 



Habitat. — Rock, rock with sand patches, rock with coral and nulli- 

 pore ; sand, sand and shell ; mud and shell. 



