the Atlantic Cossonides. 377 



ct Desertam Aiistralem), intra caules Silyhi Mariani, Grtn. ( = 

 Canlui henedicli, antiquoriim), degens. 



FoiiikI on three of the Madciran islands, — being very abundant 

 on ilie Deserta Grande, apparently more scarce on the Southern 

 Deserta, and rare in Madeira proper. So far as I have hitherto 

 observed, it is confined to the soft, pithy stalks of the Sihjbum 

 Manamun (the " Holy Thistle" of the ancients); though it may 

 possibly occur in otlier plants likewise, 



IC. Caulotrup'is luctfugus, WoU. 

 Cauhlrup'is luclfugus, WoU., Ins. Mad. ^10, t. vi. f. 7, 9 (1851.). 

 Id., Cat. Mad. Col. 102 (1857). 

 llaliilal insulas onmes Maderenses, in insulo singulo plus minus 

 varians, — vel intra caules plantaruin vol sub lapidibus occurrens. 

 A universal insect throughout the Madeiran group, though 

 nowhere (unless perhaps on tlie Northern Deserta) very abun- 

 dant, — occurring at low and intermediate elevations, either •.uuk r 

 small stones or at the base of the stems of various j)lants, and 

 having a more or less distinct pliasis for the several islands. 



17. Cciidolnipis terebrans, Woll. 

 Caulofriipis terebrans, Woll., Ins. Mad. 312, t. vi. f. 8 (1854). 



Id., Cat. Mad. Col. 103 (1857). 

 Habitat Portum Sanctum, in cacuminibus montium rarissimus. 

 An exceedingly rare species, two specimens only having hitherto 

 boon taken, — captured by myself on the summit of the Pico do 

 Facho, in April, 1848. 



18. Cauhlrup'is Chevrolatii, Woll. 

 Caulotrup'is Chevrolatii, WoU., Ins. Mad. 313 (1854). 



Id., Cat. Mad. Col. 103 (1857). 

 Habitat Maderam sylvaticam, in locis cditioribus baud infre- 

 quens. 



A generally distributed insect throughout the sylvan regions of 

 Madeira proper, occurring principally at a high elevation, 



19. Caulotrupis opacus, Woll. 

 Caulotrup'is opacus, WoU., Ins. Mad. 313 (185i), 



Id., Cat. Mad. Col. 103 (1857). 

 Habitat Maderam sylvaticam, in locis similibus ac praeccdcns 

 sed illo paulo rarior. 



Occurs in the sylvan districts of Madeira proper, though some- 

 what more rarely perhaps than the C. C/ievrolalii. 



VOr,. v. N. S. PART IX, JUNE, 18GI. c c 



