APPENDIX II. 



At our request, Mr. S. Heushaw, of Boston, has prepared the 

 following list of bibliographical references to memoirs in vviiich 

 more or less complete synopses of the families, genera, and species 

 of the Coleoptera of the United States have been published. 

 Though many of these synopses are quite old, and require re- 

 modelling by the aid of our increased experience and larger col- 

 lections, they are the best now accessible, and this systematic list 

 of them will greatly facilitate the determination of the described 

 species. 



REFERENCES FOR SPECIFIC IDENTIFICATION. 



By SAMUEL HENSHAW. 



While care has been taken to include in the list all the more 

 useful references, it should not be considered as a bibliography, 

 as many of the earlier papers and the larger monographs which 

 treat but incidentally of the species of our fauna have been pur- 

 posely omitted as well as all mention of the genera containing 

 single species. 



CICIIVDELIDAE. 



Sexual characters, etc. Horn, Trans. Amer. Ent. Hoc, 187G, v. f>, p. 

 232-240. 

 Omus. Sjjuoptic table. Horn, Bull, lirooklyii, l<]iit. Hoc, 1878, v. 1, p. 



(i;_8) 12-14. 

 Tetracha. Characters. Scliaupp, Bull. Brooklyn Ent. Soc, 1878, v. 1, 



p. (8) 14. 

 Cicindela. Revision. Jj«('ont<^, Trans. Anio'. IMiilos. Soc, 1857, n. ser., 

 V. 11, p. 27-63, plate. 



Notes, etc. LeConte, Ti'an.s. Ainer. Ent. Soc, 1875, v. 5, p. 157-162. 



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