260 Transactions.—Zoology, 
Legion 11. Branchiopoda. 
Branchie attached to the legs; legs from four to sixty pairs. 
Order I, Phyllopoda. 
Legs from eleven to sixty pairs in number; joints foliaceous and 
branchiiform, chiefly adapted for respiration and not motion; eyes two or 
three, sometimes pedunculated; antenn: one or two pairs, neither adapted 
for swimming, 
Fam, I. Apodide. 
Feet sixty pairs. Antenne—only one pair—short, styliform. Eyes two, 
sessile. Body multi-articulate, the greater part covered by a shield-like 
carapace. 
Genus I. Lepidurus, Leach. 
Last segment of the body produced into a lamina, which projects to 
some distance between the caudal filaments. First pair of legs short, 
1. Lepidurus kirkii, nov. sp. Fig. E.4. 
Carapace very broadly oval, covering nearly the whole abdomen, very 
membranous. Keel visible along the whole back, becoming more prominent 
at its posterior extremity. Posterior notch with from eleven to thirteen 
acute teeth, inter-dental portions smooth. Edges of the carapace very 
slightly serrated towards its posterior angles. Appendages of the first pair 
of feet more developed than is usual in the species of this genus, external 
branch being about one-fourth as long as the carapace. Segments of the 
abdomen studded with a row of numerous, stout, curved spines. Caudal 
lamella oval, evenly rounded at the extremity, margins finely and acutely 
serrate; dorsal row of spines extending about two-thirds of its length. 
Caudal setz more than half as long as the body, densely hirsute. Colour 
pale olive green. Length, including caudal lamella, 1:25 inch; breadth of 
carapace (about) :75 inch. 
Wellington, T. W. Kirk, junr. 
2. Lepidurus compressus, nov. sp. Fig. E.5. 
Carapace oval, not spreading, but somewhat arched, hardly covering the 
abdomen, keeled only at the extremity. Posterior noteh very deep, with 
about twelve very small teeth, and minute serrations between. Lower 
margin of carapace smooth. Appendages of first pair of feet short, hardly 
extending beyond edge of carapace. Segments of abdomen with a row of 
small, straight spines. Caudal lamella as in the previous species, but with 
the keel extending to its extremity, and sparingly toothed. Caudal setze 
densely hirsute, not half as long as the iir Colour dark olive green. 
Length ‘8 inch; breadth only about :3 ine 
Collected by Prof. Hutton in pools at Waikouaiti, and at Queenstown 
(Lake Wakatipu.) 
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