236 MR, T. SCOTT ON ENTOMOSTRACA 



A fascicle of about six short seise springs from the side and near the distal end of the 

 third joint, while the penultimate joint carries one spine, and the last joint two 

 moderately long claw-like spines. Post-abdomen short, stout, and armed with two 

 strong terminal claws, setiferous on the lower distal half, and a few small setse. 



Babitat. Loanda Harbour, in a surface tow-net gathering, collected February 13th, 

 Several specimens were obtained. 



PoNTOCYPRis, G. O. Sars (1865). 

 PoNTOCTPRis TRiGONELLA, G. O. Sars. (PI. XIV. figs. 36, 37.) 



1865. Pontocypris trigonella, G. O. Sars, Oversigt af Norges Marine Ostrac. p. 16. 



1889. Pontocypris trigonella, Brady and Normau, Mou. M. & F.-w. Ostrac. of the N. Atlantic and 



N.W. Europe, p. 109, pi. xxii. figs. 18-25, pi. x.xiii. fig. 6. 

 Sabitat. Sao Thome Island, in a surface tow-net gathering from a shore-lagoon, 

 collected January 27th. One specimen only was obtained. 



(?) Pontocypris subreniformiSjU. sp. Provisional name. (PI. XIV. figs. 38, 39.) 

 Outline of the shell seen from the side subreniform ; dorsal margin considerably 

 arched ; extremities similarly and somewhat obliquely rounded ; ventral margin slightly 

 concave ; greatest height at the middle scarcely equal to four ninths of the length. 

 Seen from above oblong ovate, widest at the middle, tapering at the sides from the 

 middle to each end in nearly straight lines; extremities obtusely pointed. Greatest 

 width equal to rather more than one third the length. Length 58 mm. 

 Sabitat. In the same gathering with the last. 



Family BAIRDIID^. 

 Bairdia, M'Coy (1814). 



Bairdia inornata, n. sp. (PI. XIV. figs. 40, 41.) 



Viewed laterally the dorsal margin of the shell is boldly arcuate ; highest a little 

 behind the middle ; at the highest the dorsal margin is obtusely angular, and from 

 thence it slopes rapidly downwards on both sides, but more so behind than in front, till 

 it merges in the evenly rounded extremities ; ventral margin gently sinuated ; greatest 

 height equal to two-thirds of the length. The outline of the shell seen from above is 

 compressed ovate ; greatest width slightly behind the middle and equal to about five 

 twelfths of the length ; the sides curve regularly towards both ends ; extremities sub- 

 acute; surface of valves smooth. Length -7 mm. 



Babitat. Lat. 5° 53' 0" S., long. 11 31' 1" E. ; in a surface tow-net gathering collected 

 at 11.30 P.M., February 18th. One specimen only obtained : it was in the same gathering 

 with Cypria atiantica, already described, and which was taken oflP the mouth of the 

 River Congo, at about 40 miles from land. 



