PORCELLIO PRUINOSUS. 487 
ISOPODA. ONISCID, 
NORMALIA, 




° Guo” 
090,909 269P5090 JR 
20 290%090009 
(ey 
09,0 
oO. 59 
( 0 90%92 960 %Gg 

PORCELLIO PRUINOSUS. 
Specific character. Subovate, oblong, slightly rugose, and downy. Lateral 
lobes of the front of the cephalon small and rounded. Central lobe minute, 
almost linear. Pleon narrow, with the terminal segment triangular, acute at 
the apex. Pereiopoda long. 
Length, about one-third of an inch. 
Porcellio pruinosus. | Branpt, Conspectus Mon. Onisc. Bull. Mose. vi. p. 181. 
Kinanan, Dublin Nat. Hist. Rev. vol. iv. 1857, 
p. 278, pl. 19, figs. 3, 5, 7, pl. xxi. fig. 1. 
Porcellio frontalis. LeREBOULLET, Mem. Soc. Hist. Nat. Strasbourg, iv. 
1853 (not of Mune Epwarps). JoHNsson, Syn. 
Framst. Sver. Onise. p. 30. 
(Var.?) P.maculicornis. Kocu, Cont. Panz. Heft. 180, n. 16. BukcErspisk, 
Annot. p. 48. 
Tus species, although one of the commonest of our 
British wood-lice, was first detected by the late Professor 
RP Jom ae 
Aha AAS ee ( 
