298 AjirniPODA normalia. 



7. Hyperia oblivia. (Plate XLTX. fig. 5.) 



Ilj-pcria obliviii, Krin/cr, Gronl. Anifip. p. 70. pi. 4. f. 19. 

 Edu'drds, Hist, des Crust, iii. p. 77. 

 Spcncc Bute, Si/nopsis, 4't., Ann. Nut. Hist. Feb. 1857. 

 IVliite, Hist. Brit. Crust, p. 20G. 



Cephalon transversely ovate ; anterior margin flattened : pigment of 

 the eyes occupying only part of the anterior portion of the cephalon. 

 Superior antenna? as long as the cephalon, ha\ing the peduncle 

 very short; flagellum broader at the base than the peduncle, 

 tapering, subulate, sharp, uniarticulate, but showing incipient 

 signs of articulation. Inferior antennee longer than the superior, 

 slender ; peduncle short (two joints only exposed) ; flagellum long, 

 having the first articulus as long as the three others. Gnathopoda 

 subequal, short : fii'st pair the shorter, cylindrical, robust ; carpus 

 scarcely produced inferiorly ; propodos not so long as the carious, 

 superior margin arcuate, inferior margin straight, serrated an- 

 teriorly with a row of small denticles ; dactylos short, obtuse : 

 second pair having the carpus shghtly produced inferiorly, but 

 not anteriorly, and fi-inged with a few hairs ; propodos as long 

 as the carpus, but not so stout ; dactylos half the length of the 

 • propodos, arcuate, sharp. First two pairs of pereiopoda long, 

 much longer than the gnathopoda, having the carpi posteriorly 

 dilated and fringed with a few hairs ; propoda slightly arcuate, 

 longer than the carpi, cylindi'ical ; dactyla long and shai-p. Third 

 and fourth pairs of pereiopoda subequal : third pair longest, having 

 the bases not dilated ; carpus long ; propodos nearly twice as long 

 as the carpus, slender anteriorly, fringed with a comb-Hke row of 

 ciHa ; dactylos long, shghtly cm-ved, shaq) : the fourth pair re- 

 sembles, but is slightly shorter than, the thu-d ; and the fifth pair 

 is still a little shorter than the fourth. Posterior pair of pleopoda 

 longer than the preceding, and having the margins of the rami 

 serrated. Telson lanceolate. The colour, as well as could bo 

 recognized from a dead specimen, is corneous, with some black 

 stellate markings on the dorsal surface of the pereion. 

 Length ^ths of an inch. 



Hah. Greenland {Kroyer, Edwards); Moray Frith {Rev. O. Gordon). 



8. Hyperia pupa. 



Hyperia pupa, Costa, Mend. deUa Reale Accad. delle Sc. diNapoli, 1853, 

 p. 178. 



" Having the first, second, and third pairs of pereiopoda gradually 

 increasing in length, foiu'th and fifth decreasing. Penultimate pair 



