12 Mr. G. C. Champion on the Heteromerous Coleoj)tera 



surface closely, very finely punctate. Antennje short, thickening 

 outwardly, joints 5-10 strongly transverse, 5 wider than 4. Eyes 

 rather small, emarginate in front. Prothorax more than twice as 

 broad as long, rounded and sharply margined at the sides, widest 

 a little before the base, moderately narrowed in front. Elytra 

 about two and one-half times the length of the prothorax. nar- 

 rowing from the middle, subparallel towards the base, without 

 trace of strije. Leg slender, short. 



^ . Head deeply excavate in the middle between the eyes, and 

 armed on either side with a long, compressed, broad, subtriangular 

 horn, the apex of which is furnished with a few fulvous hairs, the 

 epistoma also with a conical prominence in the middle in front. 



Length 2-2^ mm. 



Hab. St. Vincent — Kingstown. 



Two males and one female. Three others (all males), 

 from Guadeloupe I., are contained in the collection of 

 M. Fleutiaux of Paris. This insect resembles the 

 European PentaphyUus testaceus, Hellw. ; but diH'ers 

 from it in having the antenna? gradually widened from 

 the fifth joint, the eyes emarginate, etc., as well as in 

 its more parallel shape. It has the facies of a Cls. A. 

 cioides and A. jpentwphylloides, Champ., from Central 

 America, and A. hituhercuJata {0\\\.), axe allied forms; 

 the latter has been introduced into France in an exotic 

 boletus. From A. cioides, its nearest ally, it may be 

 known by the single tubercle on the epistoma in the 

 male, the closer punctuation, etc. Found " in boleti " 

 in the old Botanical garden (Smith). 



Platydema. 



riafydcma, Laporte et Brulle, Ann. Sciences Nat., 

 xxiii., p. 350 (1831). 



Platydema piliferum, n. sp. 



Broad oval, moderately convex, opaque ; black or brownish. black, 

 the suture sometimes paler; the antennae brown or pitchy-brown, with 

 the basal joints, and also the apical one. ferruginous ; the anterior 

 margin of the head, the labrum, palpi, and legs ferruginous ; the 

 under surface ferruginous or piceo-ferruginous ; the elytra clothed 



