CATALOGUE OF BRITISH CRUSTACEA. 
101 
1. Cypris tristriata. 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. 1 — 1 , 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. Sr 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, Muller, Ent. p. 55, t. 4, f. 7, 9 ; Desm. Cons. 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, Fabr. Ent. Sgst. ii. p. 496. 
a — e. Near London (Blackheath, &c.). Presented by Dr. Baird. 
f—z. Southall (Middlesex). Presented by Dr. Baird. 
Warwick (Rugby). 
3. Cypris moxacha. Monk Water-flea. 
Cypris monacba, Muller, Ent. p. 60, t. 5, f. 6 — 8 ; Desm. Cons. t. 
55, f. 7 ; Baircl, Mag. Zool. Bot. ii. p. 133, t. 5, f. 2. ; M. Edw. 
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. Cypris fusca. Brown Water-shell-flea. 
Cypris fusca, Strauss-Durck. Mem. Mus. vii. t. 4, f. 1 — 15; Desm. 
Cons. p. 384, t. 55, f. 1 ; Baird, Mag. Zool. Sr 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 
