CATALOGUE OF BRITISH CRUSTACEA. 



Pig-louse, Slater, Wood-louse, Carpenter (local names). 

 a /. London. 



m s. London. Presented by Francis Walker, Esq. 

 t u. Edinburgh. Presented by Adam White, F.L.S. 



2. PHILOSCIA. 



Philoscia, Latr. Hist. NaL Crust, vii. p. 43 (1804). 

 Oniscus, sp. Scopoli. 



1. PHILOSCIA MUSCORUM. Shade-lover. 



Oniscus sylvestris, Fabr. Ent. Syst. ii. p. 397. 



Oniscus muscorum, Scopoli, Ent. Cam. p. 1145; Cuv. Journ. 



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 I. Britain (in moist places). 



3. PORCELL1O. 



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. Edw 

 Crust. Hi. 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 L^EVIS. 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. 



