100 



THE BRITISH VV00DLICE. 



Atlantic Isles ; (23). 



America: North and South, almost everywhere, to judge from M. Dollfus' 

 list; (23). 



Australia : New Caledonia ; (23). 



Metoponorthus cingendus Kinahan. Plate XX. 



1857 Porcellio cingendus Kinahan (32), p. 279, pi. XIX., figs. 1468-9. 

 1868 Porcellio cingendus Bate and Westwood (1), p. 489. 

 1885 Metoponorthus simplex Budde-Lund (8), p. 188. 



The colour of Metoponorthus cingendus is steel blue with red 

 or yellowish spots. It has a raised line across 

 each thoracic segment and its abdomen is 

 narrower than in Metoponorthus pvuinosus. 



BRITISH LOCALITIES:— 



England : Salcombe, Devon ; (Norman, 49) : 

 South Devon ; (Stebbing in 49). 



Ireland: Dublin; (B.M. from Kinahan); 

 Mountain Districts of Dublin, Wicklow, and 

 Cork; Coast of Kerry; Arran Islands; Achill, 

 Co. Mayo ; Roundstone, Co. Gahvay ; Mallow, 

 Caef Island ; Glandore ; Brock Haven, Co. 

 Cork ; Killoughrim Forest, Co. Wexford ; 

 Kenmare, Co. Kerry ; (R.F.S.). 



FIG. 54.— FLAGELI.UM 

 AND LASTPEDUNCULAR 

 JOINT OF THE ANTENNA 



of Metoponorthus 

 cingendus. 



FOREIGN DISTRIBUTION 

 Europe : France ; (25) : Spain ; (12). 



(2.) Able to roll up into a ball. 



Genus— CYLISTICUS Schnitzler, 1853 (65), p. 24. 

 Flagellum, with two joints ; abdomen broad ; frontal lobe, very small. 

 The characters given immediately above are almost those of 

 Porcellio, with which Cylisticus might, perhaps, be confounded. The 

 latter. has the power, however, of rolling itself into a ball, and the 

 first segment of the thorax is comparatively larger than in any 

 species of Porcellio, indeed the side plates of the segment in 

 question entirely flank the head. These features, as well as the 

 straight sides of the body and the arched back, connect Cylisticus 

 with Armadillidium, from which the former is, however, at once 

 separated by its long pointed tail appendages. 



