594 



Gastric region not falling steeply to rostrum, but continuous 

 with it. Cervical groove distinct. Carapace excavated posteriorly, 

 posterior margin concave. 



Abdominal pleura small, barely overlapping one another. No 

 distinct suture on the exopodite of the last lirab. 



Flagella of the internal antennae longer than the peduncle. 

 Stylocerite small, scaphocerite spiuiform, of good size. 



Maxillipedes of the 2nd and of the 3rd pair with slender exo- 

 podite, that of the 3rd pair consisting of a peduncle and an arti- 

 culated flagellum. 



Legs of Ist pair equal, chelate; those of the 2nd also equal 

 and chelate, much smaller. 



Legs of the three other pairs slender. 



8. Anopkthalmaxius eccoptodactylus n. sp. 



Station 271. Lat. 5° 46'.7 S., long. 134° O' E. Depth 1788 M. 



Rostrum probably triangular and flattened, its lateral margins 

 continued backward and reachiug, like the median carina of the 

 rostrum, to the middle of the gastric region. 



Telson once and a half as long as broad, rounded posteriorly, 

 lateral margins with 2 or 3 teeth, posterior margin with sharp 

 median tooth. Caudal swimmerets not reaching beyond the telson, 

 when directed backward ; they are ovate, rounded apically, the 

 exopodite once and a half as long as broad, the endopodite al- 

 most half as broad as long. 



Internal antennae as long as the carapace, without the rostrum; 

 3rd joint of their peduncle once and a half as long as thick, a 

 little longer than the 2nd. Scaphocerite of antennal peduncle 

 reaching to the middle of the penultimate joint. 



Lower margin of the merus of Ist pair of legs with five small, 

 sharp teeth, upper margin with one. Chelae a little longer than 

 the merus, fingers shorter than the palm, carpus short, triangular. 

 Immobile finger acuminate, its tip not turned upward, armed with 

 four teeth of which the first near the base is very large, and 



