Phyllopoda of Australia. 247 



maximum number four, meeting closely together at antero-dorsal 

 angle. In male, seen from the side of oblong shape, back evenly 

 aj'ched, front deep, not produced in the least beyond the antero- 

 doi'sal angle, subtruncated, then receding in a bold even curve, 

 and merging into the ventral margin ; posterior considerably 

 narrower than anterior margin, and merging into the ventral 

 margin in a wide, even sweep. That of female agreeing with 

 the male, except that the back is more vaulted, often very much 

 more so, the width being sometimes fully three-quarters of the 

 length ; its greatest convexity a little in front of the middle. 



Male with two first pairs of legs having hands rather slender, 

 a little longer than broad, gradually widening distally, only a 

 barely perceptible rounded prominence above the thumb on the 

 inner margin ; subapical appendage two-jointed, that of second 

 not very much longer than in the first pair. Third legs with 

 fifth endite short and broad, and its cylindric appendage rather 

 short ; exopodite comparatively long, and extending not far short 

 of the extremity of the cylindric appendage. Fourth legs with- 

 out any rudimentary joint on the fifth endite. Remaining pairs 

 without any apparent difference from E. rivolensis. Each of the 

 legs in the female also similar to that species. Rostrum of 

 female short, generally acute, but sometimes obtuse ; that of 

 male vai-ying in length, rarely so long as in E. rivolensis, and 

 mostly more pointed. Tail-piece with dorsal plates fringed with 

 about 16 subequal little denticles, and anterior to the setae 

 generally three slender and relatively long curved ones, gradually 

 increasing in length anteriorly. Caudal claws and terminal teeth 

 of dorsal plates slender, the former with inner margin feathered 

 for not more than half their length. 



Length of largest female in my collection, 9.5 mm.; that of 

 male, which are much fewer in numbers, 8.25. 



Locality. — Elwood, southern area of Victoria. 



Synopsis of Local Species. 



Anterior and posterior edges of shell nearly equal, and 

 narrowly rounded, lines of growth about four, not meeting 

 closely together at the antero-dorsal angle ; end of tail, below, at 

 the articulation of caudal claws, with a pair of conspicuous acute 



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