190 



on the middle of the cornea and with a small, black ocellus on the upper side of the stalk, 

 contiguous to the cornea. 



Basal joint of antennular peduncle considerably dilated laterally, the dilated part truncate 

 anteriorly with a forwardly directed spine at the outer angle, stylocerite flattened with the acute 

 tip curved inward and just reaching beyond the boundary between the t st and 2 nd article; 

 2 nd article slightly broader than long, 3 rd a little smaller than 2 Dd . 



Second joint of antennal peduncle unarmed, the peduncle as long as the basal joint of 

 the peduncle of the upper antennae; scale a little longer than the latter, with the outer margin 

 straight and the terminal spine a little shorter than the rounded tip of the lamella. 



Antero-external angle of the antepenultimate joint (Fig. 48^) of the external maxillipeds 

 rounded-, penultimate joint trapeziform, the inner and outer margins parallel, the inner shorter than 

 the outer; ultimate joint elliptical, twice as long as broad and distinctly longer than the penultimate. 



Peraeopods of the i st pair equal, reaching by the chela beyond the antennal scale, carpus 

 nearly as long as the merus, chela a little shorter than the carpus, fingers a little shorter than 

 the palm. Peraeopods of the 2 nd pair (Fig. 48c, 48^) also equal, in the male larger and stronger 

 than in the female, and projecting by the chela beyond the antennal scale. Merus of 2" d pair, 

 in the male, nearly half as long as the carapace, rostrum included, 4-times as long as broad ; 

 carpus a trifle shorter than merus, 3-times as long as thick distally; chela 2 1 /. 1 -times as long as 

 the carpus and a little longer than the carapace, rostrum included, palm three-fourths the 

 length of the chela, 4-times as long as broad and slightly becoming broader from the carpal 

 articulation to that of the dactylus; immobile finger with 2 teeth on the proximal half of the 

 cutting-edge, while the tvvo teeth of the dactylus are placed close together on the middle of 

 the finger, the teeth of the immobile finger are a little larger than those of the dactylus and 

 on each finger the proximal tooth is distinctly larger than the following. In the adult female 

 the merus of the 2 nd legs measures about two-fifths the length of the carapace, rostrum included, 

 and is, like in the male, 4-times as long as wide; carpus a trifle shorter than the merus and 

 nearly 3-times as long as thick distally; chela a little shorter than the carapace, rostrum 

 included, 2 1 /.,-times as long as the carpus, palm 4-times as long as broad and measuring two- 

 thirds the length of the chela, fingers half as long as the palm, each with two teeth, placed 

 like in the male,-but much smaller, rudimentary. Dactyli of the three posterior legs (Fig. 4.8e) 

 with a small, acute, accessory claw. 



Largest diameter of the ova, both in the full-grown (Stat. 1S1) and in the small-sized 

 (Stat. 91) female, long 0,52 mm. 



The two males bear a parasite on the under side of the abdomen. 



Length of carapace, rostrum included, of the male 4,5 mm., of the full-grown female 

 4,85 mm. 



T a b 1 e of Measurements in millimeters. 



Length of telson . . 

 Width of telson at base 

 Width of tip of telson 



9 



4 



1,2 



o,54 

 0,24 



