15G BRITISH ENTOMOSTRACA. 



8. CYPRIS ELONGATA. Tab. XIX, fig. G. 



C VPRIS ELONGATA, Baird, Trans. Bcrw. Nat . Club, i, 99, t. 3, f . 10, 1835, 

 and ii,152 ; Mag. Zool. and Bot., i,137, t. 5, f.13. 

 M. Ethrards, Hist. Nat. Crust,, iii, -iO-1. 



Shell wedge-shaped ; anterior extremity much broader 

 than posterior, which is narrow and much elongated. The 

 valves are elevated on the upper margin, towards the an- 

 terior extremity, and situated on the under edge ; they 

 are white, transparent, and hairy. 



Hob. At Yetholm, Roxburghshire, July 1835. 



9. CYPRIS WESTWOODII. Tab. XIX, fig. 9. 



CYPKIS WESTWOODII, Baird, Trans. Benv. Nat. Club, i, 99, t. 3, f. 12, 



1835, and ii, 152; Mag. Zool. and Bot., 

 i, 137, t. 5, f. 14. 

 M. Ed/wils, Hist. Nat. Crust., iii, -100. 



Shell reniform, much elevated, and rounded on upper 

 margin, deeply sinuated underneath ; rather broader at 

 anterior extremity, of a green colour, and semi-transparent. 

 The valves arc covered all over with rather long hairs, and 

 the filaments of posterior antenna' are very long. 



]Ial. Yetholm Loch, Roxburghshire, July 1835. 



10. CYPRIS GIBBOSA. Tab. XIX, fig. 8. 



CYPRIS GIBBOSA, Baird, Mag. Zool. and Bot., i, 137, t. 5, f. 15, 1S37; 



Trans. Bcrw. Nat. Club, ii, 152. 

 M. i'.di'-anla, Hist. Nat. Crust., iii, 401. 



Shell ovate, and much elevated on the upper margin, 

 the centre exhibiting a large gil>biii\ ur hmu|> ; sinuated 

 underneath. The \alves are smooth, except round the 

 edges, which are beset with short, tine hairs, are nearly 

 opaque, and of a light green colour, the anterior extremity 

 being paler than the other parts of the shell. Filaments 

 of both pairs of antenna- beautifully plumose. 



Huh. Ditch near the Surrey Zoological (Jardens, -June 



