326 ME. E. J, MIEES'S EEVISION OP THE HIPPIBEA. 



first pair of legs is acute, and terminates almost in a spine. 

 Length of carapace of largest specimen, 1 inch 2 lines. 



Rob. Seas of Asia {Mm. Paris) ; Ceylon {Heller, Mus. Brit.) ; 

 Madras {Heller) ■ India, Java (Mm. Brit.). 



Fam. Alisuneid^. 



Albunidse, Stimpson, Proc. Ac. Nat. Sci. Phil. p. 230 (18.58). 



Anterior legs terminating in a more or less perfectly sub- 

 clielate hand. Third maxiilipedes subpediform (the third joint 

 not greatly enlarged), and furnished with an exogpath. Last 

 tail -segment not greatly elongated, ovate-lamellate. 



Albunea. 

 Aibunea, Fabr. Ent. Syst. Suppl. pp. 372, 397 (1798) j M.-Mw. Hist. 



Nat. Crust, ii. p. 202 (1837). 

 Albunaea, Stimpson, Proc. Ac. Nat. Sci. Phil. p. 230 (1S58). 



Eye-peduncles lamellate compressed ; cornea very small. An- 

 tennules vrith an extremely long multiarticulate flagellum. Second 

 joint of antennae with a narrow but well-developed accessory joint ; 

 flagellum very short. Third maxiilipedes with the third joint but 

 slightly enlarged, and the fourth joint but shortly produced, at 

 its antero-external angle. 



Albtjnea stmnista. 



Cancer symnista, Linn. Syst. Nat. p. 1053 (1766). 



Hippa symnista, Fabr. Ent. Syst. ii. p. 474 (1793). 



Cancer dorsipes, Herbst, Naturg. Krabbeii u. Krebse, ii. p. 6, pi. xxii. 

 fig. 2 (1796), nee Linn. 



Aibunea symnista, Fabr. Ent. Syst. Suppl. p. 397 (1798); Lair. Hist. 

 Crust, vi. p. 172 (1803) ; Lamarck, Hist. Anim. sans Vert. v. p. 224 

 (1818); Desmarest, Consid. Crust, p. 173, pi. xxix. fig. 3 (1825); 

 M.-Edwards, in Cuvier's Regne Animal (ed. 3), Crust, pi. xlii. fig. 3 ; 

 Hist. Nat. Crust, ii. p. 203 (1837); Guerin-Meneville, Icon. Rhgne 

 Anim. Crust, pi. xv. fig. I ; Heller, Crust, in Voy. Novara, p. 72 (1865). 



Moderately convex, shining ; carapace marked with transverse 

 interrupted impressed lines, of which the postfrontal and the 

 angulated line separating the gastric from the branchial region 

 are \he most distinct. Anterior margin with 12-14 closely 

 placed spiniform teeth, a semicircular median emargination, and a 

 small median tooth. Antero-lateral angles of the carapace with a 

 small acute spine. Eye-peduncles about tivice as long as broad at 

 base, with tJieir outer margins arcuated ; the cornea minute. Am- 

 tpnnse not longer than the carapace, very hairy ; basal joint with 



