310 AUSTRALIAN MALACOSTKACA. 



flagellum shorter than the peduncle. Penultimate joint of the 

 maxillipedes not expanded. First pair of thoracic limbs large ; 

 propodos sub-triangular in outline, the palm transverse, concave, 

 armed with a few short bristles, and defined by a prominent 

 acute tooth ; dactylos much longer than the palm. Following 

 pairs of thoracic limbs decreasing slightly in length posteriorly. 

 Caudal appendages with the inner ramus longer than the outer, 

 both broad-lanceolate, truncate, with one or two lateral notches, 

 and a few long, slender seta?. Length about W in. 

 Port Jackson. 



Tribe L.FMODIPODA. 



[Amphipoda Aberrantia.] 



Head coalescent with the first segment of the thorax. Maxil- 

 lipedes modified to form a lower lip, with long palpi. Branchia>, 

 gnathopoda, and pereiopoda as in the Amphipoda Normalia, but 

 the coxae not squamiform, and the first and second pairs of 

 pereiopoda weak, rudimentary, or absent. Abdomen rudimentary, 

 without distinct appendages. 



Family I. CAPBELLID^. 



Body linear. Coxa? fused with the pereion. Branchial sacs 

 attached to the first two or three segments of the pereion. 



Genus Proto, Leach. 



Body cylindrical. Cephalon confluent with the first segment 

 of the pereion. Pleon rudimentary. Mandibles having an 

 appendage. Cmathododa sub-chelate, having branchiae attached 

 to the second pair. Pereiopoda all developed ; branchia) on the 

 two anterior pairs ; two posterior pairs subequal ; dactyli capable 

 of being impinged against the anterior margin of the propoda. 

 Two anterior pairs of pleopoda rudimentary, Particulate, in the 

 male stylif orm ; rest obsolete. 



532. Proto Novse-Hollandise. 



Proto Novce-Hollandicr, Haswell, Proc. Linn. Soc. N.S.W., 

 Vol. iv., ]>. 275, pi. xii., fig. 3. 



Animal smooth, constricted at the joints. Superior antenna? 

 about one-third of the length of the body; basal joint of 



