THROSCIDAE. HISTERIDAE. 49 



unicolor Say, Long's Exp. 2, 274. 



Syncalypta Dillwyn. 

 ecliinata Lee. Agass. L. Sup. p. 224. 



ISyrrlms Linn. 



alternatus Say, J. Acacl. 5, 185. [n'ttaftwMels. Pr. Acacl. 2, 117. 



variusFabr. El. 1, 105. Steifahny Zeitschr. 4, 28. Kirb. N. Z. 117. tri- 

 murinus Fabr. El. 1, 104. ib. 24. Steph. Man. 1180. un- 



glabellus Mels. Pr. Acad. 2, 118. [tows Mels. Pr. Acad. 2, 117. 



picipes Kirb. N. Z. 116. Steffahny Zeitschr. 4, 24. 

 concolor Kirb. N. Z. 117. ib. 



cyclophorus Kirb. ib. 



americanus Lee. Agass. L. Sup. p. 224. 

 eximius Lee. ib. 



tessellatus Lee. ib. 



THROSCIDAE. 



TlH'OSCUS Latr. 

 constrictor Say, Am. Phil. Tr. 0, 189. 



Lissomus Dalm. 



geminatus Say, Ann. Lye. 1, 265. extriatus Say, A. P. T. 6, 177. 935 M. C. 

 basalis Randall, Bost. J. 2, 9. 

 iiitidus Mels. Pr. Acad. 2, 149. 



HISTERIDAE. 



TribalUS Erichs. 

 *americaiiusLec. Bost. Jour. 5, 64, tab. 4, fig. 7. 



Epierus Erichs. 



nigrellus Say, J. Acad. 5, 45. Lee. B. J. 5, 62, tab. 4, fig. 5. pulicarius Er. 

 minor Lee. B. J. 5, 63, tab. 4, fig. 6. [King. Jahrb. 1, 162. 



regularis Beauv. (Hister) Ins. 180, tab. 6 b, fig. 8.| 



* This forms a new genus, CAEEOSTERNUS Lee. (Pr. Acacl. Nat. Sc. 6,39.) In that place will 

 be found a S3'stematic catalogue of all the species of N. American Hister and Sapriuus known 

 to us. EDS. 



$ This species is badly figured, but evidently belongs to this genus. It seems to be HISTER 

 NIGRELLUS Say. LEC. 

 4 



