328 INSECTA MADERENSIA. 



the anterior constriction, with a very large and prominent tubercle on either side of its disk, and 

 with its front mar^n tolerably elevated. Elytra subventricose, or inflated (the sides being con- 

 siderably rounded), and scarcely at all abbreviated at the apex (the abdomen being almost 

 entirely concealed) ; each ornamented with three or four indistinct longitudinal lines, composed 

 of alternate tufts of dark brown and white scales, — the one nearest to the suture being the most 

 apparent and entire. Legs duU ferruginous, or reddish-brown, and more or less indistinctly 

 clothed with rings of whitish pubescence : femora with a small spine beneath, that on the anterior 

 pair being almost obsolete : tibia straight : tarsi, and the base of the antenna, of a slightly more 

 testaceous hue ; the club of the latter, especially at its apex, darker. 



A truly indigenous insect, and apparently of the greatest rarity. It may be at 

 once recognised from the foregoing Ceutorhynchi by its comparatively convex and 

 inflated body, — its elytra (which almost entirely cover the abdomen, and are each 

 of them ornamented with three or four tessellated longitudinal stripes, composed 

 of dull alternate patches of brown and white scales) being considerably roimdod, — 

 by its deep and wide prothoracic chamiel, and by the pubescence of its legs being 

 arranged in toleral:)ly distinct rings, especially on the femora (a peculiarity how- 

 ever which is only apparent in fresh and unrubbed specimens). It seems to be 

 peculiar to intermediate altitudes ; and, like the last species, only two examples 

 have as yet come beneath my notice, — one of which I captiu'ed, during the spring 

 of 1819, from amongst thick herbage at the base of the perpendicular rocks 

 towards the upper extremity of the Ribeiro de Santa Luzia, and the other by 

 brushing the rank vegetation at the edges of the Levada of the Ribeu'O Frio, at the 

 begimiing of August 1850. 



Genus 116. C(ELIODES. 



Schonherr, Cure. Disp. Mcth. 29G (1826). 



Corpus fere ut in Ceutorhyncho, sed lateribus plerumque pauIo rotundatioribus, et canaliculd pectorali 

 longiore, apicc argute determinata (usque ad coxis pedum intermediorum extendente). Antennte 

 et pedes fere ut in Ceutorhyncho, sed hi [antici saltem) basi xva distantiores. 



Cceliodes and CeiitorhyncJnts are prima facie almost coincident ; nevertheless 

 the former has usually the sides of its elytra a little more rounded than those of 

 the latter, — whilst the foi'ination of the pectoral groove for the reception of thou- 

 rostra, which is much longer in CoiUodcs than in Ccutorhynchus (extending to 

 the base of, or even a little beyond, the intermediate coxae), and is more deeply 

 and abruptly terminated l)chind, will always serve, on closer examination, to 

 distinguish them from each other. Several of the species of Coeliodes are strictly 

 arboreal in their habits, being confined to the foliage of forest trees ; nevertheless 

 many, like the generality of the members of the preceding genus, are attached, 

 likewise, to the smaller plants, — as is the case indeed with the only representative 

 which I have hitherto detected in the Madeu-a Islands, and which I imagine has 

 been unquestionably introduced from more northern latitudes. 



