90 
CATALOGUE OF BRITISH CRUSTACEA. 
4. Daphnia vetula. The Blunt-pointed Water-flea. 
Daphnia vetula, Mailer, Zool. Dan. Prod. p. 199; Sulz. his. p. 
266, t. 30, f. 10; Strauss-Durck. Mem. Mas. v. t. 29, f. 25, 26 ; 
Baird, Ann. Nat. Mist. i. p. 255, t. 9, f. 13; Proc. Bene. Nat. 
Club, ii. p. 148; Brit. Ent. p. 95, t. 10, f. 1 — 1 a. 
Daphne vetula, Muller , Zool. Dan. Prod. No. 2399. 
Daphnia sima, Muller, Entomostr. p. 91, t. 12, f. 11, 12; Gruith. 
Nov. Act. Nat. Cur. xiv. 399, t. 24, f. 1 — 6; Desm. Cons. p. 373 : 
M. Edw. Crust, p. iii. p. 382 ; Koch, Deals. Crust, p. 35, t. 12. 
Monoculus exspinosus, Degeer, Mem. vii. p. 457, t. 27, f. 9 — 11. 
Pulex non caudatus, Schrcff. Mon. t. 1, f. 9. 
Monoculus laevis, Fabr. Ent. Syst. ii. p. 492. 
Monoculus conchaceus, Donov. Brit. Crust, i. t. 5, f. 1. 
Monoculus nasutus? J urine , Mon. t. 13, f. 1. 
Daphnia congener, Koch, Deuls. Crust, p. 35, t. 13. 
Daphnia exspinosa, Koch, l.c. 1. 11. 
Monoculus simus, Jurine, Mon. p. 129, t. 12, f. 1,2. 
a—f. Near London. Presented by Dr. Baird, F.L.S. 
Belfast. 
5. Daphnia reticulata .Netted Water-flea. 
Daphnia reticulata, Desm. Cons. p. 374; Baird, Proc. Berw. Nat. 
Club, ii. p. 148 ; Brit. Ent. p. 97, t. 7, f. 5, 1. 12, f. 1,2; M. Edw. 
Crust, iii. p. 381. 
Monoculus reticulatus, Jurine, Hist. p. 139, t. 14, f. 3, 4. 
Daphnia quadrangula, Muller. Ent. p. 90, t. 13, f. 4. 
Monoculus quadrangularis, Manuel, Enc. Meth. vii. t. 265, f. 8, 9. 
Near Berwick and London (Dr. Baird). 
6. Daphnia rotunda. Strauss’ Water-flea. 
Daphnia rotunda, Strauss, Mem. Mas. v. t. 29, f. 27, 28; Baird, 
Proc. Berw. N. Club, ii. p. 148 ; Brit. Ent. p. 98, t. 10, f. 4, t. 9, 
f. 6, jun. 
Daphnia rotundata, M. Edw. Crust, iii. p. 381. 
Daphnia reticulata, Baird, Ann. Sf Mag. N. Hist. i. p. 257, t. 9, 
f. 14. 
Daphnia quadrangula, Koch, Deuls. Crust, p. 35, t. 19? 
Daphnia mucronala, Koch, l. c. t. 20? 
Daphnia angulosa, Koch, /. c. t. 22, young? 
a. Near London. Presented by Dr. Baird, F.L.S. 
