Carpenter — Torres Straits Pycnogonida. 657 



pointing away from each other ; there is a small claw at the end of 

 the tenth joint. The second pair of ambulatory legs is rather the 

 longest. The second coxal joint is once and a half as long as the 

 first or third, the femur is once and two-thirds as long as the coxal 

 joints together ; it is thickened,'and has a conical distal process ; the 

 first tibial joint is thickened distally and nearly as long as the 

 femur ; the second tibial joint is slightly arched, slender, and as 

 long as the femur, it has a short, stout, distal spine ; the tarsus is 

 about a fourth the length of the propodus, and has a short stout 

 -distal spine ; the propodus is slender (fig. 44) slightly arched, 

 bearing a small claw, and furnished beneath, with small spines, 

 and above with hairs. The joints of the legs are sparingly fur- 

 nished with fine spines, those on and around the conical process of 

 the femur being the strongest. 



This is the eighth species described as an Ascorhynchus, the 

 type being A. abyssi, Sars, from the depths of the Arctic Ocean. 

 Hoek described three species from the " Challenger" : A. glaher from 

 between the Cape of Good Hope and Kerguelen, A. minutus from 

 the southern coast of Australia, and A. orthorkynchus from near the 

 Admiralty Islands. Lately, Ortmann (5) has described A. cryto- 

 pygins, A. glahroides, and A. hicornis from Japan. Hoek includes 

 Gnamptorhynchus ramipes, Bohm, from Japan in this genus, and 

 is inclined to think that Barana CasteUi, Dohrn, from the Medi- 

 terranean should also belong to it. This last species agrees with 

 A. tenuirostris in having conical processes on the femora, but its 

 proboscis is much thicker than in our species, and the dorsal 

 •spines on the trunk-segments are between, not at, the junctions. 



REFEEENCES. 

 ;(1) Hoek, P. P. C. : 



" Report on the Pycnogonida, dredged by H.M.S. ' Challenger.' " 

 — Challenger Eeports, Zoology, vol, in., pt. 10, 1881. 

 (2) DoHEN, A. : 



" Eauna nnd Flora des Golfes von Neapel. in. Pantopoda." — 

 Leipzig, 1881. 

 ;(3} Hoek, P. P. C. :^ 



" IS'ouvelles Etudes sur les Pycnogomdes." — Arch. Zool, exp. et 

 gen., ix., 1881, p. 445. 



