BY E. W. FERGUSON. 91 



6. ;7)Prothorax with granules distinct, not entirely obscured by 



clothing T. Itivcrince Macl. 



7. (6)Prothoracic granules less distinct, obscured by clothing, and 



depressed T. exasperatus Er. 



8. (o)Form narrow, more elongate, relatively less ampliato. 



9. (lO)Clothing uniformly dark T. tenehricosus, n.sp. 



10. (9)Clothing lighter, pr&thorax trivittate, elytra maculate. 



11. (12)Elytral strise with ridges between fovese setigerous 



T. tomenfosus Boisd. 



12. (ll)Ilidges between fovete hardly, or much less defiuitt'ly seti- 



gerous T. pan'ivUlafiis Macl. 



13. (4) Anal excavation without transverse sulcus along posterior 



edge of segment. 



14. (lo)Anal excavation not hirsute T. pandurifurmis n.sp. 



15. (14) Anal excavation with stout hair or bristles. 



16. (17)Hair dark brown T. api ci-hir t u s, iLsp. 



17. (16)Hair bright reddish var. haviorrhoidalis,ii.vaT. 



18. (3)Anal excavation with a small tubercle on either side. 



19. (22)Tibi8e without subapical notch. 



20. (21)Anal excavation transverse T. siinplicipcs Lea. 



21. (20)Anal excavation subquadrate T. Houitti Macl. 



22. (19)lntermediate tibiae with a strong subapical notch 



T. 'macuUpcimis Lea. 



23. (2)Anal segment with, at most, a slight impression. 



24. (27)Intermediate tibiae notched. 



25. (26)Clothing mainly dark T. septentrionalis,i\.sp. 



26. (25)Clothing mainly light, greyish T. Carpentarioe, n.sp. 



27. (24)Intermediate tibiae not notched. 



28. (31)Antennal scape not greatly dilatate, ventral median vitta 



present. 



29. (30)Metasternum tuberculate on either side 



T. pulverulcntus Macl. 



30. (29)Metasternum without tubercles T. parvus, n.sp. 



31. (28)Scape widely dilatate and incrassate. 



32. (33)Metasternum and first two ventral segments sulcate 



T. sulciventris, n.sp. 



33. (32)Metasternum and segments not sulcate, prothorax with 



pavement-like granules T. davicornis, n.sp. 



34. (l)Internal rostral ridges obsolete, anal segment with wide shal- 



low excavation. 



35. (38)Second elytral interstice granulate to apex. 



36. (37)Uostrum densely clothed along sides of median area 



T. tcsscltatus Pasc. 



37. (36)Rostrum less densely clothed. . .T .{Set. )mult iij ran ulat us Lea. 



