CYPROIDEA. 2289 



Plate 90, fig. 9 a, side view, enlarged; b, vertical view; c, anterior 

 antenna; d, posterior antenna. 



From fresh-water pools near Nailoa Bay, on Vanua Lebu, of the 

 Feejee Group, abundant; also, at Sandal-wood Bay. Collected in 

 July, 1840. 



Length, one-fortieth of an inch. 



The two lenses of the eyes were distinctly seen ; they were sphe- 

 rical and on the same spot of pigment. The apex of the third joint 

 of the posterior antennse, instead of having a cluster of setae, is fur- 

 nished with only a single long seta. "We therefore, yet with some 

 hesitation, place the species under Candona. 



Cypris vitiensis, Dana, Proc. Amer. Acad. Sci., ii. 50, 1849. 



Candona? albida. 



Latere visa, breviter subelliptica, extremitatibm fere cequa, lath rotundata, 

 sabtus recta, supra obsolete gibbosa; triplo longior quam lata non duplo 

 longior quam alta, margine pubescente. Oculus margine superno re- 

 rnotus. Albido-margaritacea, postice et supemd paulo brunrwa. 



Short subelliptic (in profile view), extremities very nearly equal, 

 broadly rounded, margin below straight, very slightly gibbous 

 above, length full three times the breadth, much less than twice 

 the height, margin pubescent. Eye distant from the upper margin. 

 Colour, pearl-white, behind and along the back, a little dark brown. 



Plate 90, fig. 10, animal, enlarged. 



In small fresh-water pools, to the southwestward of Valparaiso. 

 Collected in May, 1839. 



Length, one-twenty-fourth of an inch. This species was seldom 

 seen swimming in the water. It usually was crawling along the 

 stones of the bottom or sides of the pool. Its white colour, by reflected 



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