.VPl'ENUIX. [i'i'3 



4. (Edicerus Fossor. 

 CEdiccros Fossor, Sti»ipsoii, Pruc. Acad. Nat. Sc: Pliilad. 1855. 



** Body rounded above, Pleon with the third (ind fourth segments 

 compressed and raised above into a sharp crest. Eyes black, 

 round, and small. Antenna! subccpial, with stout flagclla forming 

 half their length ; each tlagellum consisting of about eighteen 

 articuli, and ha\'ing a serrated appearance from the produced 

 spine-like inferior angle of each articulus. IMandiljles palpi- 

 gerous. MaxilUpeds much elongated and curving downwards. 

 Gnathopoda subequal ; propoda rather broadly ovate ; dactyla 

 about one-half as long as propoda. First and second pairs of 

 pereiopoda having the propoda subovate or paddle-shaped, with 

 the rounded extremity covered with hfurs ; dactyla obsolete : 

 third and fourth pairs very short, with compressed, clavate, or 

 cutlas- shaped dactyla. Coxa) of the third pair of pereiopoda very 

 large, square. Three posterior pairs of pleopoda biramose, very 

 hairy on their inner edges. Colour white, with a few blackish 

 spots, 



" Length 0*2 inch. Found in the littoral zone ; concealing them- 

 selves in the sand as they are washed out from it by successive 

 waves. 



" Hah. Australia, at Botany Bay." — Stimpson. 



5. (Edicerus obtusus, 

 (Ediceros obtusus, Bruzelius, Skand. Amph. Ganint. p. 92. f. 17. 

 " Anterior margin of the cephalon straight, not produced into a 

 rostrum, (inatbopoda sube(iual, ha\ing the carpi produced in- 

 feriorly into a long process ; propoda ovate. First and second 

 pairs of pereiopoda having the dactyla dilated, laminar, Telson 

 short, broad, subsinuated at the posterior extremity, 



" Hab. Deep water in Gull.narsfjorden." — Bruzelius. 



Page 104. Add another genus : — 



20 rt. NICIPPE. 

 Nicippo, Britzeliiis, Skand. Amph. Gamm. p. 99. 



" Body robust. Coxa; moderately large. Antenna; slender ; supe- 

 rior carrying a secondary appendage. Mandibles dissimilar, carry- 

 ing an ap])endage of three joints, having an accessory process on 

 one of the rami and not upon the other. Palpus of the first 

 pair of luaxillic biarticidate. ]\Iaxillipeds with small plates, and 

 the palp composed of four joints, (jnathopoda subcheliform. 



