94 
CATALOGUE OF BRITISH CRUSTACEA. 
1. Daphnidella Wingii. Wing’s Water-flea. 
Dapbnidella Wingii, Baird, Brit. Ent. p. 109, t. 14, f. 1 — 4. 
Middlesex. 
Surrey (near Richmond). 
Fam. III. POLYPHEMIM. 
Cephalota (p.) Latr. Gen. Crust, et Ins. i. p. 20. 
Polyphemidae, Baird, Trans. Berw. Nat. Club. (1845); Dana, Proc. 
Amer. Acad. Art. Sr Sci. (1849). 
1. POLYPHEMUS. 
Monoculus, Linn. 
Polyphemus, Muller, Ent. 
Cephaloculus, Lam. Syst. An. s. Vert. p. 170 (1801). 
Scalicerus, Koch, Dents. Crust. 
1. Polyphemus pediculus. Fresh-water All-eye. 
Polyphemus pediculus, Strauss, Mem. Mus. v. ; M. Edw. Crust. 
iii. p. 389; Baird, Brit. Ent. p. Ill, t. 17, f. 1. 
Monocle, &c., Geoffr. Ins. ii. p. 656. 
Monoculus Pediculus, Linn. Faun. Suec. p. 2048; Syst. Nat. p. 
1058 ; Sulzer, Insect, t. 30, f. 8 a. 
Monoculus pediculus ramosus, Degeer, Mem. vii. p. 467, t. 28, f. 
9—13. 
Polyphemus stagnorum, Latr. Cuv. R. A. iv. p. 163 ; Leach, Diet. 
Sc. Nat. xiv. p. 540 ; Desm. Cons. t. 54, f. 1. 
Monoculus Polyphemus, Jurine, Hist. p. 143, t. 15, f. 1 — 3. 
Polyphemus ocultis, Muller, Entom. p. 119, t. 20, f. 1 — 5; Leach, 
Sam. Ent. U. Comp. p. 81 ; Baird, Trans. Berw. N. Club, ii. 
p. 149. 
Cephaloculus stagnorum, Lam. Syst. An. s. Vert. p. 170; Hist. An. 
s. Vert. v. p. 131. 
Scalicerus pediculus, Koch, Deulsch. Cr. h. 37, t. 2. 
a, b. Near London (Richmond). Presented by Dr. Baird, F.L.S. 
