294 AMPUH'ODA NORMALIA. 



in a budcling state, and shows seven paivo of poda upon one side of 

 the percion. The animals on "svhich I made my observations were 

 taken from the incubatorj' pouch of the parent, but unfortunately 

 were in a dried state when examined ; those of Mr. Gosse must 

 have been some hours or, perhaps, days old, since he captured them 

 living as independent creatures. 



2. Hyperia Cyaneae. (Plate XLVIII. fig. 10.) B.M. 



Taliti'us Cyaneaj, Sabine, Appendix to Parry's Voyage, pi. 1. f. 12-18. 

 Hyperia Cyaneae, Edwards, Ann. des Sc. Nat. xx, p. 387. 

 Metoechus Cvanese, Edwards, Hist, des Crust, ill. p. 78. 

 White, Cat. Crust. B. M. 1847. 



Superior antennae very short; flageUum scarcely longer than the 

 peduncle. Inferior antenna? longer than the superior, having only 

 the last joint of the peduncle exposed ; flageUitm uniartieulate, 

 tapering to an acute point, the superior margin smooth, the infe- 

 rior slightly serrated, and furnished with a single hair upon each 

 denticulation. Gnathopoda subequal: fii'st pair short, tolerably 

 robust, having the meros infero-anteriorly produced and tipped 

 with a few hairs; carpus inferiorly produced, but not projected 

 anteriorly along the margin of the propodos ; propodos subovate, 

 the superior margin arcuate, the inferior straight ; dactylos short, 

 straight : second pair scarcely diiFering from the first. First two 

 pairs of pereiopoda subequal and uniform : last three paii-s longer 

 than the two preceding, subequal and uniform, having the basa 

 scarcely dilated ; propoda armed upon the anterior margin with 

 short, obliquely pointed hairs; dactyla long, sharp, slightly 

 curved, and furnished upon the inner side with a bunch of cilia 

 near the centre. Three posterior paii's of pleopoda unequal: 

 antepenultimate pair ha%'ing the peduncle reaching just beyond 

 the extremity of the telson ; rami long, slender, smooth, and un- 

 equal, the inner being longer than the outer, and reaching beyond 

 the extremity of the peduncle of the last pair : penultimate pair 

 short, its peduncle not reaching as far as that of the preceding pair; 

 rami as long as those of the preceding pair, but not reaching as far, 

 unequal, smooth : ultimate pair long ; peduncle reaching as far as 

 the extremity of the rami of the penultimate, and four times as 

 long as the telson ; rami slender, smooth, unequal, about half the 

 length of the peduncle. Telson short, obtusely triangular. 



Length -^-^ihs, of an inch. 



Hab. Bafiin's Bay {Captain Parry). 



The above description and figure are taken from one of the spe- 

 cimens in the collection of the British Museum, presented by the 



