PARACYPRIS— AGL AIA. 1 31 



hyaline vesicle. Second pair of jaws provided with a branchial appendage; the palp 

 elongated, conical, and inarticulate. Last pair of feet similar to the first, five-jointed, and 

 terminating in a long curved claw. Post-abdominal rami large, bearing at the extremity 

 two strong curved claws and a short seta, and on the posterior margin two long setae. 

 One eye. 



Paractpris polita, G. 0. Sars. Plate XV, figs. 9, 10. 



1865. Paractpris polita, G. O. Sars. Oversigt af Norges marine Ostrac, p. 12. 

 1868. — — Brady. Monog. Recent Brit. Ostr., p. 378, pi. xxvii, figs. 



1 — 4, pi. xxxviii, fig. 2. 



Carapace, as seen from the side, elongated, siliquose or subtriangular, greatest height 

 at the anterior third and equal to more than one third of the length ; anterior extremity 

 evenly rounded, posterior much attenuated ; superior margin boldly arched, sloping 

 steeply behind ; ventral much sinuated in the middle. Outline, as seen from above, 

 compressed, oval, about four times as long as broad, widest in front of the middle ; 

 extremities obtusely pointed. Shell smooth and polished, whitish. 

 Length, -^th of an inch. 



Distribution. Recent. — Norway, Great Britain. 



Fossil. — Scotland : Raised beach, Oban. Norway : Post-tertiary beds. 



Genus 5 — Aglaia, Brady. 

 Aglaia, Brady. Les Fonds de la Mer, tome premier, p. 90. 



Shell smooth and polished, of about equal height before and behind, compressed, 

 subcylindrical. Superior antennae seven-jointed, beset with short setae ; inferior robust, 

 and bearing at the apices of the joints several strong curved setae ; furnished also with a 

 very small hyaline vesicle, as in PontocypriSy and on the penultimate joint with a lash of 

 very short setae. Mandibles slender, divided at the extremity into about five blunt teeth, 

 and furnished with a large, narrow, branchial palp. Pirst pair of jaws divided into four 

 digitate segments, and having a distinct branchial appendage ; second pair also provided 

 with a branchial lamina and with a simple conical 3-setiferous palp. First pair of feet 

 long, five-jointed, and having a very long terminal claw ; second pair different from the 

 first, flexuous, four-jointed, last joint armed with three setae, of which one is very long 



