Gemra and Species of Coleoptora. 453 



second, and fifth or external, only, extending to the base, where tliey 

 form strongly marked projections, and have an ochrcoiis colour, the 

 middle of the elytra with a darkish irregnlar band ; body beneath black, 

 with scattered setaceous white hairs; legs pale brown, with white scale- 

 like hairs. Length '2\ lines. 



Nyctofmtes* Ormff. 



N. niger, nitidus ; prothorace lajvigato, lateribus vix rotimdatis, postice 

 angulatim constrictis ; elytris punctato-striatis ; prosterno lato, tricari- 

 nato ; tarsis yalidis. 



JIab. Western Australia. 



Black, shining ; head and prothorax impunctate, the latter nearly as 

 broad as the elytra, trapezoidal, the sides anteriorly slightly rounded, 

 then nearly parallel to near the base, where it contracts at an angle ; 

 scutellum triangular, below the level of the basal ridge of the elytra ; 

 elytra ovate, scarcely broader than the prothorax at the base, punc- 

 tate-striate, the punctures large, the strijie shallow; body beneath 

 glossy black; prosternum broad, marked with three strong rounded 

 ridges, the lateral not united behind ; legs glossy brownish black, tarsi 

 stout, closely covered with bright-yellowish-ferruginous hairs. Length 

 12 lines. 



Differs from N. crenatus, Boisd., in the form of the prothorax, 

 the punctate- striate elytra, stouter tarsi, and the prosternum strongly 

 tricarinated throughout. 



Nyctohates feronioides. 



N. niger, nitidus ; prothorace subtilissime punctulato, lateribus rotun- 

 datis, postice incurvato-constrictis ; elytris punctato-striatis ; prosterno 

 angustato, leviter margiuato ; tarsis validis, brunneo-castaneis. 



llah. New South Wales. 



Black, shining ; head and prothorax very minutely punctured, the 

 latter narrower than the elytra, fully rounded at the sides, contracted 

 and a little incurved posteriorly ; scutellum triangular, continuous with 

 the basal ridge of the elytra ; elytra oblong, broader at the base than 

 the prothorax, the shoulders a little recurved, puuctate-striate, the 

 punctures rather small, but the strire deep ; body beneath glossy black ; 

 prosternum narrowed, pointed behind, slightly margined ; legs bro^vnish 

 black, glossy ; tarsi stout, brownish chestnut. Length 7 lines. 



Besides the smaller size, this species differs from N. crenatus, inter 

 alia, in the deeper stria), more strongly, and not crenately, punctured 

 elytra, and stouter tarsi. 



* Gru6rin-M^neville, Mag. do Zool. 1834, p. 3.3 ; Lacordaire. Gen. v. p. 371. 

 This genus and the three followlTig should have been placed after the BoJito- 

 phagincB. 



