TOMICID^E. 243 



Widely distributed over the Canarian Group, though apparently 

 more common in the eastern islands than in the western ones. It 

 is abundant amongst the decayed Euphorbias in Lanzarote and 

 Fuerteventura ; and it also occurs in Grand Canary, and more spa- 

 ringly in Gomera. 



682. Aphanarthrum glabrum. 



Aphanarthrum glabrum, Woll., Ann. Nat. Hist. v. 167 (1860). 

 9 Zd., Cat. Can. Col. 258 (1864). 



Habitat Canarienses (Gom., Hierro), inter Euphorbias rarius. 



One of the rarer of the Canarian Aphanarthra, or at any rate 

 extremely local, it having been observed as yet only in Gomera and 

 Hierro. 



683. Aphanarthrum bicolor. 



Aphanarthrum bicolor, Woll., Ann. Nat. Hist. v. 165 (1860). 

 , Id., Cat. Can. Col. 259 (1864). 



Habitat Maderenses (Mad.) et Canarienses (Ten., Gom., Palma, 

 Hierro), Euphorbias emortuas copiose destruens. 



lake the A. piscatorium, widely spread over these Atlantic islands, 

 where very likely it will be found to be nearly universal. It occurs 

 in the dead Euphorbias, at rather low elevations, in Madeira proper ; 

 and it has been taken in Teneriffe, Gomera, Palma, and Hierro, of 

 the Canarian Group. 



II. Pronotum antice minus productum, caput (longiusculum, fere 

 subrostratum) haud occultans. 



684. Aphanarthrum luridum. 



Aphanartbrum luridum, Woll., Ann. Nat. Hist. v. 163 (1860). 

 , Id., Cat. Can. Col. 262 (1864). 



Habitat Canarienses (Ten., Gom.), intra caules EupTiorbice canariensis 

 putridos degens. 



A Canarian Aphanarthrum which has been observed hitherto only 

 in Teneriffe and Gomera, though most probably it will be found 

 wherever the Shtpkorbia canariensis (to the rotten stalks of which it 

 seems to be peculiar) still exists. Like the A.pusillum (which how- 

 ever is dark, concolorous, and extremely minute), it differs from the 

 other species here enumerated in having its pronotum only slightly 

 produced in front, so that the head (which is somewhat more ros- 

 trate) is less concealed from view. 



