436 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 5 



Actaea crosslandi (Finnegan), new comb. 

 Plate 56, Figs. 1-4 



Xanthias crosslandi Finnegan, Journ. Linn. Soc. London, vol. 37, p. 638, 

 193L 

 Type locality. — Tagus Cove, Galapagos Islands. 

 Type. — In Brit. Mus. 



Range. — Known only from the type locality. 



Diagnosis. — Carapace areolate on anterior two-thirds only. Hepatic 

 region coarsely granulate. Anterolateral margin with 4 tuberculated teeth, 

 excluding exorbital cluster; first depressed, second largest. Last three 

 ambulatory segments spinulous. 



Material examined (100 specimens from 21 stations). — 

 143-34. Wenman Island, 100-150 fms, Jan. 11, 1934, 1 young, frag- 

 ment. 

 147-34. Tagus Cove, Albemarle Island, 30 fms, Jan. 13, 1934, 3 



young. 

 148-34. Tagus Cove, Albemarle Island, 12-15 fms, Jan. 13, 1934, 4 



males, 3 females. 

 149-34. Tagus Cove, Albemarle Island, 20 fms, Jan. 13, 1934, 5 males, 



8 females (4 ovig.). 



166-34. Black Beach, Charles Island, shore, Jan. 19, 1934, 1 male. 

 167-34. Post Office Bay, Charles Island, 15 fms, Jan. 19, 1934, 6 



males, 2 females. 

 168a-34. Academy Bay, Indefatigable Island, coral, Jan. 20, 1934, 2 



males. 

 169-34. Academy Bay, Indefatigable Island, 15-25 fms, Jan. 20, 1934, 



9 males, 5 females. 



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



4 young. 

 182-34. James Bay, James Island, 30 fms, Jan. 24, 1934, 2 males, 3 



females. 

 190-34. Lat. 0° 55' S, Long. 90° 30' W, 58-60 fms, Jan. 26, 1934, 2 



young. 

 193-34. Post Office Bay, Charles Island, 8-10 fms, Jan. 27, 1934, 3 



males, 1 ovig. female. 

 196-34. Post Office Bay, Charles Island, 8-10 fms, Jan. 29, 1934, 1 



female, 1 young. 

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



8 males, 10 females. 

 198-34. NW of Post Office Bay, Charles Island, 55-65 fms, Jan. 29, 



1934, 1 male. 



