BY E. W. FERGUSON. 93 



58. (o9)Clotliing greyish, feebly maculate on elytra. 



T. papulusus Macl. 



59. (58)Clothing uniform, yellow T. vermicollis, n.sp. 



60. (55)Elytra with circumscribed felt-like patches. .. .T .Illidgei,n.sp. 



Group V. — Size moderate, form oblongate; elytra with rows of small 

 punctiform depressions, each attended by a small granule, 

 interstices with small non-elevated granules or tubercles, 

 granules on fifth diminishing in size from the humeral 

 angle posteriorly. 



61. (64)Intermediate tibiae with strong siibapical notch. 



62. (63)Internal rostral ridges strongly developed 



T. pallidus Macl. 



63. (62)Internal ridges almost obsolete T. Gay ndahensis, n.sp. 



64. (61)Intermediate tibise without subapical notch. 



65. (66)Clothing dense T. sphcenilatus Macl. 



66. (65)Clothing more or less absent T. parallclus Macl. 



Group vi. — Rostrum not excavate save for subapical groove, base 

 trifoveate T. imitator Bl. 



Section B. : Tuherculati. — Elytra with interstices coarsely granu- 

 late, or tuberculate. 



Group vii. — Elytral tubercles more or less rounded, rarely conical ; 

 rostrum moderately long, external ridges continued along 

 head, internal long, convergent ; anterior femora not 

 ridged. 



67. (86)Elytra with third interstice granulate or tuberculate, not 



costate. 



68. (69)A11 interstices with tubercles much of the same size, though 



more numerous on alternate ones; size large, robust 



T. caviccps Macl. 



69. (68)Third and fifth interstices less coarsely but more closely 



tuberculate than second and fourth. 



70. (83)Internal rostral ridges raised, prominent. 



71. (80)Elytra not strongly nor definitely foveate. 



72. (77)Third elytral interstice tuberculate in single series. 



73. (76)Tubercles on third and fifth small, rounded ; on second and 



fourth larger, almost conical. 



74. {75)Prothorax evenly granulate T. typicus Macl. 



75. (74)Prothorax irregularly set with larger granules and areas 



free from granules T. Mitchelli Macl. 



76. (73)Tubercles on third and fifth tending to become obsolete, and 



fewer in number on second and fourth T. loiujipes, n.sp. 



77. (72)Third interstice granulate in more than single series. 



78. (79)Fifth granulate in single series, third in double series in 



basal half T. alternans Mad. 



