BT MARGUERITE HENRY. 567 



podite usually two-segmented, scarcely longer than the exopodite, rarely tbree- 

 seg-mented and more elongated; endopodites of the three succeeding pairs re- 

 duced, two-segmented, the first segment very small, that of the third pair in the 

 male transformed. 



This genus comprises thirteen species, one of which is present in New South 

 AVales. 



Attheyella australica Sars. 



Sars, Arch. Math, og Naturvid., 29, 1908, Plate iv., fig-s. 9-26. 



Female. Cephalothorax moderately robust, with the first segment equal to 

 the combined length of the next three segments. Eostral projection absent. 

 Abdomen shorter than the cephalothorax, the ventral margins of the segments 

 bearing coarse spinules and with groups of spinules at the sides. Anal opercle 

 smooth; caudal rami divergent, narrowed at the tips; their inner edges bearing 

 hairs; two slender seta* on the outer edge, each accompanied by a cluster of 

 spinules, middle apical seta very long, inner seta about half as long as the 

 outer; the dorsal surface of each ramus bearing a well-marked carina and with 

 a slender seta situated on a small prominence. Antennules slender, the last seg- 

 ment being the longest. First pair of legs with both rami composed of three 

 segments, the exopodite reaching the end of the second segment of the endopodite. 

 Fifth pair of legs with the inner apical seta much the longest, the proximal seg- 

 ment with a short triangular expansion bearing six setae. Length, .67 mm. 



Male. Smaller than the female. Fifth pair of legs very small, the ex- 

 pansion of the proximal segment bearing two spines. 



Distribution. — N.S.W. : Kosciusko, Holbrook; Victoria. 



Genus M o r a r i a Scott, 1893. 



Syn. Ophiocamptus Mrazek. 



Segments of the body very distinct. Rostral projection prominent. Anal 

 opercle angularly produced posteriorly. Caudal rami large, with two slender 

 bristles outside. Antennules in the female composed of seven segments, strongly 

 hinged in the male. Antennae with a small, one-segmented exopodite. Legs short, 

 with the natatory setae imperfectly developed; first pair not very different from 

 the three succeeding pairs, the endopodites of the latter are two-segmented and 

 shorter than the exopodites. Fifth pair w'ith the proximal segment expanded 

 inside. 



This genus consists of eight species, one of which is present in New South 

 Wales. 



Moraria longiseta, n.sp. (PL Ivi., fig. 3; PL Ivii., fig-s. 1-7.) 



Female (PI. Ivii., fig. 1). Body fairly robust, without any sharp demarca- 

 tion between the cephalotliorax and abdomen; first segment large, longer than the 

 next three segments combined. Abdomen with the boundary line between the 

 first two segments clearly defined. Rostrum small. Posterior margins of all the 

 segments strongly serrated (PL Ivii., fig. 3), the serrations being of very irregular 

 size and shape ; in addition the segments each bear a row of spinules, very short 

 and fine in the cephalothorax but becoming longer and stronger in the posterior 

 segments; the lateral parts of the segments slightly produced, each bearing a 

 strong short denticle, those of the abdomen also provided with a group of 

 spinules. Anal opercle smooth, with a triangular projection behind, the margin 

 of which .is fringed with hairs (PI. Ivii., fig. 5) ; caudal rami about the length 



