124 Proceedings of the 



the thorax being smaller and narrower and the elytra longer. 

 The colour both of the pubescence and body is paler. 



In carcases in the island of Afognak; taken sparingly in 

 the month of August by M. Holmberg, who also took it in Cali- 

 fornia. It was likewise brought by M. Frankenhauser from 

 the interior of the Peninsula of Kenai. 



For the figure of this and the other American species I am 

 indebted to my friend Dr. Leconte of Philadelphia, who has kindly 

 furnished me with drawings of them made expressly for my use 

 in this paper. They are in half outline, and all his figures are 

 four times enlarged. The head is brought up simply to show 

 proportions. 



22. C. brunnipennis, Mann. 



Catops brunnipennis, Mann.Nachtrag zur K'afer-Fauna derNord-Amerikan- 

 ischen Lander der Russischen Reiches, Mosc. 1853, p. 14. 



" Oblongo-ovatus, convexus, crebre subtilissime reticu- Fig. 25. 

 lato-strigulosus, nigro-picens, griseo-pubescens ; an- 

 tennis thorace vix brevioribus, ferrugineo-testaceis, 

 clava parum incrassata fusca, articulo octavo minutis- 

 simo; thorace longitudine sesqui latiore lateribus 

 modice rotundatis, antice latitudine basis haud angus- 

 tiore, angulis omnibus subrotundatis ; elytris obscure 

 castaneis, apice subacuminatis, stria suturali leviter • 

 exarata; pedibus piceo-testaceis. 



" Long. If lin., lat. f lin. 



" Longer than C. cadaverinus, Esch., more narrowed behind, 

 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 haud angus- 

 tiore, angulis omnibus rotundatis ; elytris obscure cas- 

 taneis, apice obtusis rotundatis, stria suturali leviter 

 exarata ; tar sis rufis. 



"Long. 11 lin., lat. j lin.-j-" 



* Mannerheim in he. cit. t Ibid. 



