CATALOGUE OF BRITISH CRUSTACEA. 
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1. Ligia oceanica. Great Sea Slater. 
Ligia oceanica, Fabr. Ent. Syst. Suppl. p. 301 ; Latr. Hist. Crust. 
vii. p. 31 ; Leach , Linn. Trans, xi. p. 374 ; Desm. Cons. p. 317, 
t. 49, f. 3 — 4 ; Roux , Crust. Med. t. 13, f. 8 ; M. Edw. Crust, iii. 
p. 155 ; Brandt. Bullet. Mosc. vi. p. 172. 
Oniscus oceanicus, Linn. Syst. Nat. ii. p. 1061 ; Penn. Brit. Zool. 
(edit. 1777) iv. t. 18, f. 4. 
Oniscus aquaticus, Baster, Opusc. Subs. ii. t. 13, f. 4. 
Var. Ligia scopulorum, Leach, Ed. Enc. vii.; Linn. Trans, xi. p. 
374. 
a, b. British Coast. From the collections of Col. Montagu and Dr. 
Leach. 
Sab-tribe 2. GEONISCITA. 
Cloportides Terrestres, ilf. Edw. Crust, iii. p. 158. 
Oniscidce, Leach, Sam. Ent. U. Comp. p. 111. 
Mitosata, pt. Fabr. Ent. Syst. ii. p. 396 (1793). 
Fam. I. PORCELLIONIM. 
Porcellionides, M. Edw. Crust, iii. p. 159. 
Oniscides, Latr. Gen. Crust, et Ins. i. p. 67 (1806). 
1. ONISCUS. 
Oniscus, Latr. Hist. Nat. Crust, vii. p. 33 (1804). 
Oniscus, sp. Linn. 
1. Oniscus asellus. Land Slater. 
Oniscus asellus, Linn. Syst. Nat. ii. p. 1061 ; Degeer, Ins. vii. t. 35, 
f. 1 ; Geoff. Ins. ii. t. 22, f. 1 ; Latr. Hist. Crust, vii. p. 42. 
Oniscus murarius, Cuv. Joum. d’Hist. Nat. ii. t. 26, f. 11 ; Brandt, 
and Ratz. Arzn. ii. t. 12, f. 7 ; Brandt. Bullet. Mosc. vi. p. 182 ; 
M. Edw. Crust, iii. p. 163. 
