306 Mr. A. Murray^s Monograph of the genus Catops. 



besides differing from it in having the antennae more slender, the 

 thorax much broader, shorter, and not narrowed in front. 



" Found tolerably frequently near the river Tschunuktnu in 

 the Peninsula of Kenai, in carcases at the end of June, M. Fran- 

 kenhauser*/' 



The reader owes the figure of this species to Dr. Leconte. 



23. C. luridipennis, Mann. 



Catops luridipennis, Mann, dritten Nachtrag zur Kafer- Fauna der Nord- 

 Amerikanischen Lander des Russischen Reiches, Mosc. 1853, p. 84. 



" Ovatus, convexus, crebre subtilissime reticulato-strigu- Fig. 26. 

 losus, nigro-piceus, griseo-pubescens ; antennis thorace 

 nonnihil longioribus, crassiusculis nigris, articulo oc- 

 tavo minuto; thorace longitudine fere duplo latiore, 

 lateribus rotundato, antice latitudine basis hand angus- 

 tiore, angulis omnibus rotundatis ; elytris obscure cas- 

 taneis, apice obtusis rotundatis, stria suturali leviter 

 exarata ; tarsis rufis. 



"Long, lllin., lat. | lin.f'^ 



Mannerheim says that this species is allied to his C. brunni- 

 pennis, but is shorter, and is besides distinguished by having 

 the antennae thicker, the thorax shorter, its sides more rounded, 

 and the elytra rounded at the apex. 



Collected in carcases in the months of July and August by 

 M. Frankenhauser on the banks of the Tschunuktnu in the 

 Peninsula of Kenai : not frequent. 



24. C. simpleoc, Say ? Lee. 



Catops simplex, Say? Journ. Acad. Nat. Sc. Philad. v. 184; Leconte, Syn- 

 opsis of the Silphales of America in Proceedings of Acad. Philad. 

 1853, 281. 



Fig. 27. 

 " Piceus, fulvo-sericeus, dense punctulatus ; thorace an- 

 trorsum subangustato, lateribus rotundatis, basi late 

 rotundato; elytris obsoletissime striatis, stria suturali 

 profundiore ; antennis basi testaceis ; tibiis calcaribus 

 mediocribus armatis. 

 " Long. If lin. 



"The anterior tarsi and first joint of the middle tarsi of the 

 male are moderately dilated ; the antennae are as long as the 

 head and thorax, moderately thickened ; the seventh joint is a 

 little larger than the sixth, and equal to the ninth ; the eighth 

 is about one-half smaller J. ^' 



* Mannerheim in loc. cit. f Ibid. 



