318 



Meropodite of small cbelipede of feraale 3 times as long as 

 wide, uoarnied ; carpus ^/., the lengtli of meropodite, oue third 

 longer than thiek, with a small, acute tooth at distal end of upper 

 margin and another larger one at that of the lower, both at the 

 outer side. Chela a little more than 3 times as long as the carpus, 

 and 3,3 times as long as high ; fingers slightly shorter than the 

 palm, shutting together with crossed tips, dactylus with small 

 teeth along its whole length, im mobile fiuger slightly dentate at 

 lts base and near the tip. Relative dimensions of 3rd legs : Mero- 

 podite 2, carpus 1, propodite 1,33. Meropodite 3,82 times as long 

 as wide, carpus 3,3 times, propodite 5,3 times; the propodite 

 narrowing distally, devoid of spines on its posterior margin, but 

 setose ; dactylus simple, measuring almost ^/g of the propodite. 



Length 9 — 10 mm. 



32. Ogyris Sibogae, n. sp. 



Station 102. Lat. 6° 4'. 1 N., long. 120° 44'. E. Depth 535 M. 



Rostrum triangular, acute, slightly curved downward, just reaching 

 beyoud the rounded, extra-orbital angles and continued in a low, 

 rounded crest, that reaches to the middle of the carapace and 

 that is armed with 4 small, spiniform teeth. Carapace pubescent, 

 anteriorly. Telson as in O. occidentalis Ortm., but the lateral 

 margins with an obtuse prominence just before the middle; exopodite 

 of caudal fan acute at the tip, narrow and curved ontward. 



Eye-peduncles slender, thickened at either extremity, a little 

 less than half as long as the carapace, slightly shorter than the 

 carpocerite, but as long as antennular peduncle. Mediau anten- 

 nular article 3 times as long as thick and half as long as basal 

 article. Stylocerite terminating in tioo acuminate spines, as in O, 

 occidentalis Ortm., a little shorter than basal antennular article. 



Carpocerite 5 times as long as thick, scaphocerite hardly reaching 

 beyond the middle of carpocerite. 



Legs of 1^ pair equal, feeble, about as in O. occidentalis^ chelae 

 turned ontward, measuring ''/, of the carpus, fingers one third 

 longer than the palm. Meropodite of 2nd legs 9 times as long 



