324 ON SOME NEW GENERA .VXD SPECIES OF AMPIQPODA, 



Posterior gnathopoda with the propodos long-ovate; palm 

 undefined, fringed with long hairs. Length about 3 20ths in. 



Hal. Port Jackson. 



Sub-fam. rilOXIDES. 

 Genus QEdicerus, Kroyer. 



(Edicerus latrans, sp. nov. (PL XIX., fig. 1.) 



Rostrum curved downwards, acute. Eyes oval, very large. 

 Antennae subequal, as long as the cephalon and first two segments 

 of the pereion. Superior pair with the peduncle short, stout, the 

 first segment much larger than the other two ; flagellum more 

 than twice as long as the peduncle. Inferior pair with the 

 peduncle stout, the third, fourth and fifth segments subequal, 

 short ; flagellum more than twice as long as the peduncle. 

 Maxillipedes with fairly large squainiform plates and a stout 

 dactylos. Gnathopoda sub-equal, rather la'rge ; propodos ovoid, 

 narrowed slightly distally — that of the second pair rather larger 

 than that of the first ; dactylos about half the length of the 

 propodos. Two anterior pairs of pereiopoda subequal, sub- 

 foliaceous, armed with a few long hairs; dact}dos absent. Third 

 pair similar to the first and second, but with the coxae narrower 

 and hardly so deep. Fifth pair very much longer than the others ; 

 the basos ovate ; all the other segments narrow and elongate, 

 bordered with short hairs. Posterior pleopoda foliaceous, pointed, 

 bordered with long hairs. Telson squamiform, slightly cleft. 



Ilab. Bondi Bay, New South Wales ; found burrowing in the 

 sand, the falling waves washing them out of their place of 

 concealment. 



A species of the same genus {(Edicerus fossor), with precisely 

 similar habits, is described by Stimpson (Proe. Acad. Nat. Set.. 

 Pliilad. 1855.) as found at Botany Bay. 



