1366 



CRUSTACEA. 



Pandarus CONCINNUS. 



Carapax paulo oblongus, ellipticus, posticb truncatus et dentatus, angulis 

 posticis paululo elongatis, obtusis. tegmentum secundum brevissimum, 

 alls divaricatis, subrectangulatis, angulis posticis subacutis. Segmenta 

 duo sequentia transversa, subcequa, lobis rotundatis acutl sejunctis. 

 Abdomen 3-artictdatum, segmento antico lato, postice profundi exca* 

 vato, lateribus arcuatis, angulis posticis acutis, bene divaricatis. Styli 

 caudales apertd laterales. 



Carapax a little oblong, elliptical, truncate behind and toothed, with 

 the posterior angles a little prolonged and obtuse. Second segment 

 very short, wings divaricate, subrectangular, the posterior angle 

 subacute. Next two segments subequal, the lobes rounded, and 

 separated by an acute excavation. Abdomen three-articulate, ante- 

 rior segment broad, very deeply excavate behind, sides arcuate, 

 posterior angles prominently divaricate, acute. Stylets not covered. 



Plate 95, fig. 1 a, dorsal view of animal, enlarged; b, anterior an- 

 tennae ; c, caudal stylet. 



From the body of a shark, taken south of Tongatabu. 



Frontal margin of the carapax entire. Number of teeth on the 

 posterior margin ten to twelve. The wing of the second segment has 

 the outer angle rounded, the inner a right angle, and it is about twice 

 as long as broad. The third segment is a little shorter than the 

 fourth. The first abdominal segment is about as long as broad, and 

 somewhat harp-shape, being broader towards base and having the 

 posterior angles curving outward. The next segment is full half the 

 breadth of the preceding, and more than half its length. The stylets 

 have the outer margin entire, and on the inner three short spines, the 

 one nearest apex longest and most slender, or seta-like. The poste- 

 rior antennse are slender and have an incurved apex. The second 

 pair of prehensile feet very stout cheliform, with the finger obtuse and 

 emarginate at apex. Sucker disks, three pairs, two to sides of shell, 

 and one on base of posterior antennae. Eyes approximate, but not in 



