ADDENDA ET COEBIGENDA. 



p. 308, add another species : 



Apseudes obtusifrons. 



Apseudes obtusifrons, Haswell, 1. c, p. 748, pi. vi. 



Head as long as the two following segments, crossed by oblique 

 grooves in the form of an X ; rostrum short, rounded. Pleon as 

 long as the four last segments of the pereion, ciliate at the sides, 

 the last segment short, its apex bifid. Upper antennae with the 

 peduncle very stout, first segment nearly as long as the head, 

 second segment about a third of the length of the first, third 

 segment small ; flagellum shorter than the peduncle, with nine 

 segments ; secondary flagellum with six segments. Outer antennae 

 rather longer than the peduncle of the inner ; basal and second 

 joints of the peduncle thicker than the rest, each with a small 

 ovate, ciliated process ; third and fourth joints very small, fifth 

 greatly elongated ; flagellum with six segments. Mandibles 

 with the palp short, uniarticulate. Maxillipedes richly ciliated 

 internally. First pair of legs with the propodos oval, produced 

 below into a finger which has two low tubercles at its base ; both 

 carpus and propodos thickly clothed with long slender hairs. 

 Second pair of thoracic limbs expanded and foliaceous ; carpus 

 with two short stout spines on its outer border ; propodos with 

 four longer spines on its outer border, and another internal to the 

 insertion of the dactylos ; dactylos taking the form of an ovate 

 plate, closely fringed terminally with fine hairs. Third and 

 fourth pairs of thoracic appendages similar, with the propodos 

 rather short, the dactylos long and very slender ; fifth and sixth 

 pairs with the propodos longer, armed with straight setae; dactylos 

 very small, penicillate ; last pair smaller than the rest. Inner 

 flagellum of caudal appendage with 17 joints ; outer very short, 

 two- jointed. Length f in. 



Port Jackson (dredged on a sandy bottom). 



