158 JOHN HAMILTON, M. D, 



BRENTHID.^. 



473. Cylas formicarius Fah., Otidocephalns elegantidus Summers. 



This singular insect lives on the roots of the sweet potato, and 

 occurs in the Southern States (Florida, Louisiana), from which I 

 have specimens. Cuba. Madagascar. India. Cochin China. 

 Mon. 327. 



CALANDRID^. 



474. Calandra oryzse Linn. 



This species is cosmopolite, and in this country is distributed from 

 Florida to Alaska, depredating on grain of all kinds. Siberia and 

 the Amur country to Kamtschatka. Heyden, 179. 



475. C. remotepunctata Gyll. 



This species extends from Florida to Vancouver, whence I have 

 specimens. I have specimens from Europe labeled granaria. It 

 also depredates on grain. 



476. C. granaria Linn. 



I have seen no native specimes of this European species. It occurs 

 in Missouri, according to Mr. C. V. Riley, depredating on wheat. 

 Mon. 333 ; Canada, Harrington in litt. Resembles the j^receding 

 closely. 



SCOLYTID^. 



477. Hypothenemus eruditus West., hispidnhis Lee. 



This species is spread by commerce. I find it here depredating on 

 various foreign nuts in the shells of which it breeds. Its native 

 country is now unknown. 



478. Xylotsrus bivittatus Kirhy, rufitnrsus Kirl)y [LeConte), cavifrons Manii. 



"Maine, Canada. Vancouver Island, Alaska." Mon. 357. Mt. 

 Washington, N. H. ; Ottawa, Canada; Hudson Bay region, Kirby ; 

 Lake Superior ; Colorado ; New Mexico. Mr. Schwarz, a competent 

 authority in this family, agrees with Mr. Eichoff in considering this 

 a synonym of X. Uneatas Oliv., a species of central and northern 

 Europe. Ent. Am. ii, 41. Siberia, Heyden, 183. 



479. Xyleborus xylographus Say, saxeseni Ratz. 



A comparison of specimens is necessary to confirm this synonymy, 

 Schivarz. Ent. Amer. ii, 41. 



480. Cryphalus jalappse Lete. 



This species is widely distributed by commerce, and its native 

 country is now unknown. Its occurrence in this country is jjrobably 

 only occasional. 



