92 REVISION OP THE AMYCTERIDES, ii., 



38. (35)Granules of second interstice stopping at declivity, fewer in 



number and separated T. Eoei Bohem. (?) 



Group ii. — Small, narrow ; external ridges subparallel, prothorax 

 not sulcate, at most feebly impressed^ elytra with third 

 and fifth interstices more evidently raised, no median 

 ventral vitta present. 



39. (40)Clothing, dense, greyish, vittate T. squamosus Macl. 



40. (39)Clothing much more scanty. 



41. (42)Head with groove at base of rostrum; second and fourth 



interstices with a row of small setae ... T. inconspicuus, n.sp. 



42. (41)Head not grooved, setse on intermediate interstices not 



traceable T. Mcgalotigensis, n.sp. 



Group, iii. — Form larger, more oblongate ; median area of rostrum 

 briefly carinate, internal ridges short ; second and fourth 

 interstices not raised ; anal segment not excavate, but 

 apices of forceps appearing at sides. 



43. (44)Second and fourth elytral interstices with fine distant 



granules in the male T. variegatus Macl. 



44. (43)Such granules absent var. Barling ensis, n. var 



Group iv. — Species moderately small ; rostrum rather narrower 

 than head, external ridges convergent towards base, but 

 not continued along forehead, median area depressed 

 throughout; prothorax longitudinally impressed in most 

 species. 



45. (54)Humeral angles strongly produced, elytra ampliate pos- 



teriorly 



46. (o3)Anal segment with excavation as in T. humeralis. 



47. (oO)Clothing without circumscribed patches. 



48. (49)Granules small, but prominent and subnitid 



T. hiimernUs Macl. 



49. (48)Granules more obscure, little evident.... T. euomoides Macl. 



50. (47)Clothing dense, with circumscribed felt-like patches. 



51. (52)Prothoracic granules distinct, not confluent 



T. sropuJaris, n.sp. 



52. (51)Prothoracic granules confluent along either side of median 



line T. acromiaUs, n.sp. 



53. (46)Anal excavation simple; prothorax not sulcate 



T. angularis, n.sp. 



54. (45)Humeral angles marked but not strongly produced. 



55. (60)Elytra without isolated felt-like patches. 



56. (57)Elytral granules fine, distant, scattered over elytra 



T. griseus Macl. 



57. (56)Granules coarser, sculpture much more confused. 



