AMERICAN COLEOPTERA. 295 



Tribe VI. Ptilinini. 

 1. PTIL.INIIS. 



Geoffroy, Hist, de Ins. de Env. de Paris, i, p. 64. 

 Casey, Jour. N. Y. Ent. Soc. vi (June, 1898), p. 62. 



1. P. ruflcornis Say Jour. Acad. Nat. Sci. Phila. iii (1823), p. 186. 



(?) bicolor Mels. Proc. Acad. Nat. Sci. Pliila. ii, p. 308. 



2. P. basalis Lee. Proc. Acad. Nat. Sci. Pliila. 1858, p. 73. 



flavipenius Csy. loo. cit. p. 63. 



3. P. acuminaius Csy., loo. hit. ]>. 63. 



4. P. lobatus Csy., loo. cit. p. 62. 



5. P. pruinosus Csy. loc. cit. p. 63. 



6. P. ramicornis Csy. loc. cit. p. 63. 



EXPLANATION OF PLATE VII. 



Fig. 1. Csenocara oculata % , antenna. 

 " 2. " <• 9. " 



" 3. " " terminal joint of maxillary palpus. 



" 4. " " " " labial palpus. 



'' 5. " blanchardi 'J,, antenna. 



" 6. " " terminal joint of maxillary palpus. 



"' 7. " " labial palpus. 



" 8. '' bicolor % , antenna. 



" 9. '" tenuipalpa ^ , antenna. 



" 10. " terminal joint of maxillary palpus. 



" 11. " " " " labial palpus. 



" 12. Vrilletta convexa %, antenna. 

 " 13. " murrayi % , " 



" 14. " plumbed 9 • " 



" 15. " laurentina 9 » " 



" 16. Euvrilleita xyletinoides " 



'' 17. Xyletomerus histricus 



" 18. Xestobmm riifovillosum " 

 " 19. " affine 



" 20. Ulobinm elegan.i " 



" 21. Xeranobiwm macrum " 

 •' 22. " desertum " 



" 23. laticeps " 



" 24. cinereum "' 



" 25. Oligomerodes occidentalis antenna. 

 " 26. catalinx % , " 



' 27. " "9. 



'' 28. Aetenobius pleuralis " 



" 29. Euceratoverus hornii, % , " 



" 30. Ptilinus ramicornis % , " 



'' 31. " basalis % , 



" 32. Eutylistus granus, metasternal lobe. 

 "' 33. " fallax " " 



" 34. " facilis " " 



TRANS. AM. ENT. SOC. XXXI. JULY. 1905. 



