326 MR. E. J. AIIERS'S REVISION OF THE HIPPIDEA. 



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

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



E.ah. Seas of Asia (Mus. Paris) ; Ceylon {^Heller, Mus. Brit.) ; 

 Madras {Heller) ; India, Java {Mus. Brit.). 



Fam. ALiiTJNEiD^. 

 Albunidse, Stimpson, Proc. Ac. Nat. Sci. Phil. p. 230 (1858). 



Anterior legs terminating in a more or less perfectly sub- 

 chelate hand. Third maxillipedes subpediform (the third joint 

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

 tail-segment not greatly elongated, ovate-lamellate. 



Albunea. 



Albunea, Fabr. Ent. Syst. Suppl. pp. 372, 397 (1798); M.-Edw. Hist. 



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

 Albunaea, Stimpson, Proc. Ac. Nat. Sci. Phil. p. 230 (1858). 



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

 tennules with an extremely long multiarticulate flagellum. Second 

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

 flagellum very short. Third maxillipedes with the third joint but 

 slightly enlarged, and the fourth joint but shortly produced at 

 its antero-external angle. 



Albunea stmnista. 



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

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

 Cancer dorsipes, Herbst, Naturg. Krabben u. Krebse, ii. p. 5, pi. xxii. 



fig. 2 (1796), nec Linn. 

 Albunea symnista, Fabr. Ent. Syst. Suppl. p. 397 (1798); Latr. 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. Regne 

 Anim. Crust, pi. xv. fig. 1 ; 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 the 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 twice as long as broad at 

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

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



