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CATALOGUE OF BRITISH CRUSTACEA. 
Pig-louse, Slater, Wood-louse, Carpenter (local names). 
a — l. London. 
m — s. London. Presented by Francis Walker, Esq. 
t — m. Edinburgh. Presented by Adam White, F.L.S. 
2. PHILOSCIA. 
ft 
Philoscia, La.tr. Hist. Nat. Crust, vii. p. 43 (1804). 
Oniscus, sp. Scopoli. 
1. Philoscia muscorum. Sbade-lover. 
Oniscus sylvestris, Fabr. Ent. Syst. ii. p. 397. 
Oniscus muscorum, Scopoli, Ent. Cam. p. 1145 ; Cuv. Joum. 
d’Hist. Nat. i. t. 26, f. 6, 7 ; Coquebert, III. Icon. t. 6, f. 12. 
Philoscia muscorum, Latr. Hist. Crust, vii. p. 43 ; Leach, Linn. 
Trans, xi. p. 375; Desm. Cons. p. 319. 
a — l. Britain (in moist places). 
3. PORCELLIO. 
Porcellio Latr. Hist. Nat. Crust, vii. p. 45. 
Oniscus, sp. Linn. 
1. Porcellio scaber. Rough Hog-louse. 
Porcellio scaber, Latr. Hist. Crust, vii. p. 45 ; Leach, Linn. Trans. 
xi. p. 375 ; Desm. Cons. 321 ; Guerin, Icon. t. 31, f. 7; M. Ediv. 
Crust, iii. p. 167 ; Cuv. R. A. (Croch.) t. 71, f. 1. 
Oniscus granulatus, Lam. Hist. An. sans Vert. v. p. 261. 
Porcellio dilatatus, Brandt, and Ratz. Arzn. t. 12, f. 6 ; Brandt. 
Bullet. Mosc. vi. p. 176. 
a — r. Britain. From the collections of Col. Montagu and Dr. 
Leach. 
2. Porcellio ljEvis. Smooth Hog-louse. 
Porcellio laevis, Latr. Hist. Crust, vii. p. 46 ; M. Edw. Crust, iii. p. 
169. 
a. England. From the collection of Dr. Leach. 
