ANTHICUS. 
Elytra ovate, very convex, not at all flattened below the base, very dis- 
tinctly striate-punctate in their basal fourth ; humeri distinct, 
but obtuse . 
Thorax strongly constricted behind the middle, the dos dentioulate, Aiyire 
with a shallow or moderately deep post-basal depression (= subg. 
Acanthinus, La Ferté). 
Elytra confusedly ne throughout; thoracic teeth long and 
coarse... ‘ ae 
Elytra striate-punctate in their basal half, mack siavther bevand: 
thoracic teeth short (almost obsolete in A. varicornis) 
Thorax very strongly constricted behind, greatly rounded and dilated before 
the middle, and the sides at this part somewhat sharply separated 
from the flanks, the latter concave; apical joint of the maxillary 
palpi very broad; elytra elongate-parallel, a little flattened below the 
base; species large (=subg. Ischyropalpus, La Ferté) 
Thorax trapezoidal (widest in front and obliquely narrowing to the base) ; 
elytra without post-basal depression, or, at most, a little flattened 
below the base. 
Elytra more or less rounded at the sides, subovate, the humeri rounded 
or obtuse and not prominent ; upper surface finely and thickly 
pubescent ; species small or very small. 
Elytra unicolorous . 
Elytra with definite markings Nie 
Elytra more parallel and with prominent humeri; upper surface very 
sparsely pubescent and more shining; species moderately large. 
Thorax subcampanulate or subovate (rounded at the sides anteriorly and 
moderately constricted behind the middle, in some species dilated at 
the base) ; elytra without post-basal depression *, or, at most, a little 
flattened below the base. 
Head rounded at the sides behind. 
Pubescence very long, coarse, and erect ; punctuation very coarse. 
Pubescence very much shorter and decumbent; punctuation much 
finer . 
Head truncate at the ase: 
Elytra spotted or with definite markings. 
Species large. 
Thorax moderately convex 
Thorax flattened on the disc 
Species verysmall . . . . 1... 1. ee 
Elytra unicolorous or without definite markings. 
Pubescence extremely short, scaly; thorax long, subovate; 
elytra rather narrow .... ‘ : : 
Pubescence longer and finer; thorax short, sulqnadeate or site 
campanulate; elytra comparatively broad and elongate 
223 
Species 24. 
Species 25. 
Species 26-28. 
Species 29. 
Species 30, 31. 
Species 32, 33. 
Species 34-37. 
Species 38. 
Species 39, 40, 
Species 41-44. 
Species 45. 
Species 46, 
Species 47. 
Species 48-50. 
* Except in A. curraz. 
