CATALOGUE OF BRITISH CRUSTACEA. 101 



I. CYPEIS TEISTRIATA. Three-streaked Water-flea. 



Cypris tristriata, Baird, Trans. Berw. Nat. Club, i. p. 99, t. 3, f. 13, 



ii. p. 152 ; Brit. Ent. p. 152, t. 18, f. 11, a i, 2, 3. 

 Cypris virens, Desm. Cons. p. 384 ? ; M. Edw. Crust, iii. p. 398. 

 Monoculus virens, Jurine, Mon. p. 174, t. 18, f. 15, 16 ? 

 Cypris pubera, Baird, Mag. Zool. $- Bot. ii. p. 524, t. 9, f. 1 13. 



a c. Finchley Common. From the collection of Dr. Leach. 

 d r. Near London (Highgate). Presented by Dr. Baird. 

 Berwickshire. 



2. CYPRIS VIDUA. Widow Water-flea. 



Cypris vidua, Midler, Ent. p. 55, t. 4, f. 7, 9 ; Desm. Com. p. 385, 

 t. 55, f. 4; Baird, Mag. Zool. $ Bot. ii. p. 133, t. 5, f. 1 ; M. 

 Edw. Crust, iii. p. 399 ; Baird, Brit. Ent. p. 152, t. 19, f. 10, 11. 



Monoculus viduus, Jurine, p. 175, t. 19, f. 5, 6. 



Monoculus viduatus, Fair. Ent. Syst. ii. p. 496. 



a e. Near London (Blackheath, &c.). Presented by Dr. Baird. 

 fz. Southall (Middlesex). Presented by Dr. Baird. 

 Warwick (Rugby). 



3. CTPRIS MONACHA. Monk Water-flea. 



Cypris monacha, Midler, Ent. p. 60, t. 5, f. 6 8 ; Desm. Com. t. 



55, f. 7; Baird, Mag. Zool. & Bot. ii. p. 133, t. 5, f. 2. ; M. Edic. 



Crust, iii. p. 397 ; Koch, Deutsch. Crust, p. 2, t. 1 ; Baird, Brit. 



Ent. p. 153, t. 18, f. 6. 



Monoculus monacha, Jurine, Mon. p. 173, t. 18, f. 13, 14. 

 Cypris nubilosa, Koch, Deutsch. Crust, p. 12, t. 4. 



a z. Near London (Southall) and at Windsor. Presented by Dr. 



Baird. 



Warwickshire (Old Canal near Rugby). 

 Northumberland (Newham Loch). 



3. CYPEIS FUSCA. Brown Water-shell-flea. 



Cypris fusca, Strauss-Durck. Mem. Mas. vii. t. 4, f. 1 15 ; Desm. 

 Cons. p. 384, t. 55, f. 1 ; Baird, Mag. Zool. $ Bot. ii. p. 134, t. 

 5, f. 4 ; Trans. Berw. Nat. Club, ii. p. 152 ; Guerin, Icon. t. 32, 

 f. 4; M. Edw. Crust, iii. p. 401, t. 36, f. 3 ; Baird, Brit. Ent. p. 

 154, t. 19, f. 7. 



a c. Near London. Presented by Dr. Baird. 



K 3 



