IMPEEFECTLT-KNOWN OSTEACODA. 193 



Cypris l^tevirens, sp. nov. (Plate XXIII. figs. 3-5.) 



Shell, seen from the side, elongated, subovate, highest in the middle ; height slightly 

 exceeding one-half of the length (fig. 3) ; extremities rounded, the anterior broad and 

 rather flattened, the posterior narrower; dorsal margin evenlj' arcuate, highest in the 

 middle where it is almost angular, ventral margin slightly sinuated in the middle: 

 seen from above (fig. 4) ovate, twice as long as broad, widest in the middle ; anterior 

 extremity gently tapered and aciuninate, posterior acuminate and more abruptly 

 tapered ; lateral margins evenly arcuate, slightly sinuated behind the anterior extremity. 

 Surface of the shell smooth, finely hirsute, more particularly round the margins, thin, 

 semitransparent. Colour very pale green. Length 2-55 mm. The swimming-setge of 

 the antennae are plumose, and reach to the extremity of the limb ; ungues of the first 

 maxillae destitute of marginal spines ; postabdominal rami bearing four setae (fig. 5), 

 two at the apex, one of which is very short and delicate, the other quite half as long as 

 the ramus itself; the two marginal setae are rather closely approximated and of 

 moderate size. 



Ilah. Puerto de St. Maria, near Cadiz. 



Genus Ctpridopsis Brady. 

 Ctpridofsis aculeata Lilljeborg. 

 Numerous specimens taken at Puerto de St. Maria, near Cadiz. 



Cypridopsis marmorata, sp. nov. (Plate XXIII. figs. 1, 2.) 



Shell, seen from the side, subreuiform (fig. I), widest in the middle, scarcely twice 

 as long as broad ; extremities well rounded and nearly equal ; dorsal margin boldly 

 arched, ventral very slightly sinuated in the middle: seen from above (fig. 2) broadly 

 ovate, widest behind the middle, width equal to two-thirds of the length, broadly 

 rounded posteriorly, obtusely pointed in front. Surface of the valves covered with 

 small, impressed puncta, and round the margins with fine, closelv-set, short hairs ; 

 marked dorsally, after the manner of C. vidua, with three flexaous, transverse, deeply- 

 coloured striae. Length -65 mm. 



Hab. Bahia. 



Subgenus Candoxella Claus, Vavra ^ 



Candonella virescens, sp. nov. (Plate XXV. figs. 16-29.) 



Shell, seen from the side subreniform, highest in the middle, height equal to nearly 

 two-thirds of the length (fig. 16) ; anterior extremity well rounded, posterior narrowly 

 rounded-off below ; dorsal margin very boldly arcuate, ventral distinctly sinuited in the 



' Yavra, ' Die Siisswasser-Ostracoden Deutacli-Ost-Afrikas,' p. 12. 



