Two additional South-African Phyllopoda. 



terminating in a naked obtuse point. They are scarcely at 

 all divergent, and have only the inner edge fringed with 

 ciliated setæ, whereas the outer edge carries very small, 

 scattered simple hairs. 



Occurrence. — This distinct species was, according to 

 the label, taken in September 1897, from a pond on the 

 Green Common, near Cape Town. 



Gen. Leptestlieria, G. O. Sars, n. 



Generic Characters. — Shell much compressed, oblong 

 in form, with the umbones very small and placed far in 

 front, dorsal edge straight, ventral slightly curved, both 

 extremities rounded. Valves thin, pellucid, with the lines 

 of growth rather slight, not ridge-like. Animal resembling 

 in structure that of Estheria, though differing in the follow- 

 ing points. Rostral projection tipped with a slender and 

 apparently mobile spine. Branchial legs with a securiform 

 setiferous lamella appended to the base of the ventral lap- 

 pet of the exopodite inside; upper lappets of exopodites in 

 the 10th and 11th pairs of the female transformed to thick, 

 sausage-shaped appendages supporting the egg-mass; the 2 

 anterior pairs in male prehensile, hand rather complicated, 

 with a well-marked obtuse prominence inside above the 

 thumb. Caudal piece but slightly deflexed, and without any 

 spines above the caudal setæ. Posterior segments of trunk 

 in none of the sexes with dorsal processes, but having the 

 posterior edge minutely spinous. 



.Remarks. — I have felt justified in establishing this new 

 genus, to include some species formerly referred to the 



