CATALOGUE OF BRITISH CRUSTACEA. 
91 
7. Daphnia mucronata. Pointed Water-flea. 
Daphnia mucronata, Mailer, Ent. 94, 1 . 13, f. 5, 6 ; M. Eclw. Crust. 
iii. 382 ; Baird, Proc. Berio. Nat. Club, ii. p. 148 ; Brit. Ent. p. 
p. 99, t. 10, f. 2, 3. 
Monoculus bispinosus, Degeer , Mem. vii. t. 28, f. 3 — 8. 
Monoculus mucronatus, Jurine, Hist. t. 14, f. 1, 2. 
Daphnia bispinosus, Koch, Deuts. F. Crust, p. 8, t. 1 . 
Daphnia mucronata, var. acute-rostrata, Baird, Brit. Ent. t. 10, f. 3. 
Daphnia mucronata, var. obtuse-rostrata, Baird, Brit. Ent. t. 10, f. 2. 
a — k. Near London. (Isleworth, &c.) Presented by Dr. Baird. 
2. MOINA. 
Daphnia, Muller. 
Monoculus, Fabr. 
Pasithea, Koch (not Kroger). 
Moina, Baird, Brit. Ent. (1850). 
1. Moina rectirostris. Straight-beaked Water-flea. 
Daphnia rectirostris, Muller, Ent. t. 12, f. 1, 2. 
Monoculus rectirostris, Fabr. Ent. Si/st. ii. 493; Jurine, Mon. t. 13, 
f. 3, 4. 
Pasithea rectirostris, Koch, Deuts. Crust, p. 35, t. 24. 
Pasithea gibba, Koch, l. c. p. 36, t. 16? 
Daphnia macrocopus, Strauss, Mem. Mus. v. t. 29, f. 30. 
Moina rectirostris, Baird, Brit. Ent. p. 101, t. 11, f. 1, 2. 
Blackheath, Kent. 
2. Moina brachiata. Armed Water-flea. 
Daphnia brachiata, Desm. Cons. 373; M. Edw. Crust, iii. 383; 
Baird, Zoologist, 1843, p. 193; Proc. Berwicksh. N. Club, ii. 
148. 
Monoculus brachiatus, Jurine, Hist. p. 131, t. 12, f. 3, 4. 
Moina brachiata, Baird, Brit. Ent. p. 102, t. 9, f. 1, 2. 
a — g. Near London (Blackheath and Old St. Pancras Road). Pre- 
sented by Dr. Baird, F.L.S. 
