CATALOGUE OF BRITISH CRUSTACEA. 71 



I. 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. 

 Ouiscus oceanicus, Linn. Syst. Nat. ii. p. 1061 ; Penn. Brit. Zool. 



(edit. 1777) iv. t. 18, f. 4. 



Oniscus aquaticus, Busier, Opusc. Subs. ii. t. 13, f. 4. 

 Var. Ligia scupulorum, Leach, Ed. Enc. vii.; Linn. Trans, xi. p. 



374. 



a, b. British Coast. From the collections of Col. Montagu and Dr. 

 Leach. 



Sub-tribe 2. GEONISCITA. 



Cloportides Terrestres, M. Edw. Crust, iii. p. 158. 

 Oniscida}, Leach, Sam. Ent. U. Comp. p. 111. 

 Mitosata, pt. Fabr. Ent. Syst. ii. p. 396 (1793). 



FAM. I. PORCELLIONID.E. 



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. ONISCDS 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 mnrarius, Cuv. Journ. d'Hist. Nat. ii. t. 26, f. 11 ; Brandt, 

 and Ratz. Arzn. ii. t. 12, f. 7; Brandt. Bullet. Mosc. vi. p. 182 ; 

 M. Edit). Crust, iii. p. 163. 



