290 ACADEMY OF NATURAL SCIENCES 



ginous : thorax rather paler than the head, quadrate, a little 

 transverse ; sides regularly arcuated ; posterior margin not wider 

 than the anterior; [185] posterior edge rectilinear; angles 

 rounded : elytra paler than the thorax, light brownish, with ob- 

 solete striae, more obvious towards the tip ; very numerous minute 

 punctures, furnishing minute hairs : beneath piceous : feet ru- 

 fous ; thighs yellowish beneath. 



Length nearly three-twentieths of an inch. 



This species occurs on dung. 



ATTAGENUS Latr. 



A. CYLINDRICORNIS. — Reddish-brown ; antennae and feet pale 

 rufous. 



Dermestes cylindricornis Melsh. Catal. 



Body reddish-brown, with very numerous, short, ferruginous, 

 somewhat rigid, sericeous hairs : head blackish, with an obscure 

 rufous frontal spot ; antennae pale rufous, terminal joint dark 

 brown ; mouth rufous : thorax nearly as dark as the head : elytra 

 paler than the thorax : beneath piceous-black ; feet pale rufous. 



Length % three-twentieths, $ less than one-fifth of an inch. 



Var. a. Smaller. 



Dermestes Jior kola Melsh. Catal. 



Yar. b. Elytra almost rufous. 



Dermestes ohscurus Melsh. Catal. 



This species is common. 



[The specimens in Dr. Melsheimer's collection belong to A. 

 oncgatoma, which has been imported from Europe : the descrip- 

 tion seems rather to refer to A. sjnircus Lee, Proc. Acad. Nat. 

 Sc. Phil. 7, 109, but is too indefinite for accurate determina- 

 tion. — Lec] 



MEGATOMA Herbst, Latr. 



M. ORNATA. — Blackish; elytra undulated with rufous. [186] 



Dermestes undulatus Melsh. Catal. 



Body with short, numerous hairs ; antennae pale rufous, termi- 

 nal joint dusky : thorax somewhat variegated with irregular lines 

 of rufo-einereous hairs : elytra with one-half its surface occupied 

 with rufous spots or irregular lines : beneath blackish-brown. 



Length three-twentieths of an inch. 



[Vol. V. 



