THE BRITISH WOODLICE. 33 
America: Greenland; North America; Sandwich Isles; (B.M.); Mexico ; 
(59): St. Paul; St. Croix; (59); Ascension; Tristan; d’Acunha; (23) 
Asia: Ceylon; Kamtschatka : (23). 
Australia: Melbourne ; Sydney ; Tasmania; New Zealand; (B.M., Chilton). 
Africa: Azores ; Canaries ; Cape of Good Hope; (24) 
Porcellio pictus Brandt and Ratzeburg. Pate XIV. 
1833 Porcellio pictus Brandt and Razteburg (4), p. 78, pl. 12, fig. 5. 
1839 Porcellio melanocephalus Koch (34), part 28, pl. XVIII. 
1853 Porcellio melanocephalus Schnitzler (65), p. 24. 
1856 Porcellio mixtus Fitch (29), p 120 
1868 Porcellio pictus Bate and Westwood (1), p. 
1898 Porcellio pictus Sars (59), p. 177, pl. LXXVII., fig. 1. 
There are tubercles on the body of Porcellio pictus, which is a 
striking looking animal. Its head is black with the lateral lobes 
curved outwards ; there isa dark band down the 
middle of the back and commonly two others 
on each side, with more or less conspicuous 
yellow markings between. 
The distal (terminal) joint of the flagellum 
is but half the length of the proximal one and 
the last :peduncular joint is longer than the 
two combined. 
The abdominal appendages—1 and 2—are 
provided with air-tubes, 
BRITISH LOCALITIES :— 
England: Maldon; (W.M.W. from R.M.): 
Chislehurst ; (Bate and Westwood, r): Cooper’s 
Hill, near Cheltenham ; (Norman, 49): Exeter; 
(Parfitt, 53): Kent; (Bate and’ Westwood; a.) .1cr coe ose 
Scotland: Between Leith and Portobello; 1 Cr Porcellio pictus. 
(Scott, 68): Cumbrae (Scott, 68a): Ayrshire; 
(Boyd in Norman, 49): Banff; (IT. Edwards in Norman, 49). 
Iveland ; Dublin ; Belfast; Bate and Westwood, 1): Galway; 
Maryborough ; Queen’s Co., Castel; and Caher Co. Tipperary ; 
GREE:S:) 
FOREIGN DISTRIBUTION :— 
Europe: France; (25): North, West-Central, and East Europe; (8): 
Sweden; Norway ; Denmark ; Germany ; Hungary ; Russia; 59] 
North America: (8). 
Porcellio dilatatus Brandt. Prats XV, 
1833 Porcellio dilatatus Brandt and Ratzeburg (4), p. 78, pl, 12., fig. 6 
1840 Porcellio scaber Milne-Edwards (not Lateliley (/6), B ae RE 
1868 Porcellio dilatutus Bate and Westwood (1), p. 
898 Porcellio dilatatus Sars (59), p. 179, pl. LXXVIL., fig. 2. 
