55 



acquainted with the figure, I cannot give a decided 

 opinion. A glance at the countries these insects 

 inhabit, tells us at once that they are a northern 

 group ; they are abundant amid the Alpine snows 

 and even in Wales and Scotland ; they are found 

 to abound more in the range of Alpine vegetation, 

 than in the plains. 



With respect to the genus Pteroloma, it appears to 

 be the Adolus of Eschcholtz and the Holocnemis of 

 Schilling, according to Erichson this genus belongs 

 to Agyrtes one of the Silphiadse. I here cannot help 

 suspecting some error, which I am unable to ex- 

 plain, Eschcholtz was too accurate an Entomologist 

 to have committed so egregious a blunder, as to 

 confound the Carabidae with the Silphiadse. 



Sp. 18. Crepitans, — Now of the genus Brachinus. 

 In the Linnean cabinet there are two distinct in- 

 sects confounded under the above name ; one of them 

 is the Brachinus fumans Fab. from North Ame- 

 rica, the other the well known European species 

 named Crepitans by Linneus. 



Sp. 19. Americanus. — Now a Galerita of Fabri- 

 cius. From the Linnean description "Similis C. 

 crepitanti sed quadruplo major," some have sup- 

 posed the above species to be a Brachinus, and it is 

 singular that in Lee's cabinet named by Fabricius, 



