182 AMERICAN COLEOPTERA. 



101. A. persimile n. sp. 



102. A. flbulipes n. sp. 



103. A. pyriforme Smith, loc. cit., p. 57. 



104. A. lividum Smith, Entom. Amer., 1887. p. 56. 



105. A. pux'itanum n. sp. 



106. A. umboniferum n. sp. 



107. A. herculanum Smith, loc. cit., p. 56. 



108. A. xanthoxyli u. sp. 



Unidentified species. 



A. nodirostre Gerst., Stett. Eiit. Zeit., 1854, p. 261. 



A. vile Gerst., ihid., p. 249. 



A. subg-lobosum Gerst., ibid., p. 243. 



A. cuprescens Mann.. Bull. Mosc, 1843, p. 289. 



A. reconditum Gyll., Sch. Cure, V, 432. 



EXPLANATION OF PLATE II. 



Fig. 1. — A. erraticnm : la, hasal joints of antennse % f. 

 " 2. — A.quadricolle; 2a. " " " " y 



'■ 3. — A. impimctistriatum ; 3a, antennae %. 



" 4. — Left anterior femur as seen from above of ^4. impeditum % . 

 " 5. — • " " " " " A. impimctistriatum %. 



" 6. — " " ■' ■' " A.finitimum, % . 



" 7. — " " " " " A. melanarium % . 



" 8. — " '' " " " A. desolatum X, ■ 



" 9. — '' '■ " " '' A. pennsylranicum %. 



" 10. — " '■ ■' " " A. occidental e % . 



" 11. — Anterior femur of any female of Section I. 



" 12. — Abdomen coarsely, closely punctate — A. erraticnm, impeditum. etc. 

 " 13. — Abdomen more sparsely, finely punctate — A. atripes, melanarium, etc. 



The difference is not always so stronjjly marked as in the figures. 

 " 14. — Anterior tibia 'J, , usual form, Section I. 

 " 1.5. — " " of Jinitimum % . 



" 16. — " '' of female, practically the same in all species. 



" 17. — Posterior tibise % , usual form, Section I. The female dififers only in 



lacking the uiucro. 

 -'' 18. — A. atripes. 



'' 19. — Claw of A. impunctistriatum. 

 " 20. — Same of A. funereum. 

 " 21. — A. sinuirostrum.. 

 " 22. — A. melnnarium. 

 " 23. — A. hespernm. 



" 24. — Tip of elytra C^ '^ ) of A. pennsijJvaniciim. 

 '' 25. — A. occidetitale. 



