Genera and Species of Coleoptoni. 1 1 7 



the little tenninal joint been overlooked ; and the ninth, which is 

 nearly as large as the eleventh, been regarded as one of tlie three 

 forming the elub ? 



Alth^esia [Mycetophagida)]. 



Head deeply inserted in the prothornx, triangular, nliglitly dilated below th(3 

 eyes. Antenna) longer than the prothorax, eleven-jointed, th(! last three 

 foiTiiing an oblong perfoliate club. Eyes large, round, very prominent, 

 rugose. Maxillary palpi with the second and third joints thickest, the 

 terminal obconie, truncate ; the labial short, triangular, approximate. 

 Maxillary lobes narrow, nearly equal. Prothorax transverse, narrower 

 and slightly emarginate in front, rounded at the side, the base bisinu- 

 ated. Elytra slightly convex, margined, the base closely applied to 

 the prothorax, but enlarging behind the shoulder, then rounded to. the 

 apex. Legs moderate} coxfe distant} tibia? fringed externally, en- 

 lai'ging towards the extremity, and terminated by four or five short 

 spines; tarsi slender, hairy beneath, four-jointed, the anterior with the 

 penidtimate very indistinct (male only ?). 



Resembles Mycetophagus in outline, but with a tri articulate club, 

 and large round, very rugose and prominent eyes. 



Altha'sla pilosa. (PI. YI. fig. 4.) 

 A. piceo-brunnea, griseo-pubescens, pilosa ; corpore infra pedibusque 



rufo-brunneis. 

 Hah. New Guinea (Dorey). 



Pitchy-brown, covered with a close gi'eyish pubescence combined 

 with numerous soft, slender hairs ; head scarcely half the breadth of the 

 prothorax, sparingly punctured ; prothorax with three grooves on each 

 side, the inner two connected by a deep transverse one at the base ; 

 elytra slightly convex, widest behind the shoidder, with a very narrow 

 margin ; scutellum very small, triangular ; body beneath and legs dark 

 reddish-brown ; abdomen, femora and tibia? with a fulvous pubescence. 

 Length 3 lines. 



Atractocerus [Lymexylonida?]. 

 Palis, de Beauvois, Magaz. Encycl. 1802 {sec. Lacord.). 



Atractocerus inorio. (PI. VI. fig. 5.) 

 A, ater ; elytris prothorace longioribus alis chalybeatis ; profemoribus 



coxisque testaceis. 

 Hah. Moluccas (Batchian). 



Black ; head nearly round, thickly punctured, closely covered with 

 short erect black hairs ; antennae extending nearly to the end of the 

 prothorax; eyes large, widely separated above ; mandibles not project- 

 ing; prothorax naiTower than the head, quadrate, hairy, shining: 

 scutellum subtriangular, obtuse behind ; elytra closely punctured, 



