16 



MR. G. A. K. MARSHALL ON COLEOPTERA [Jan. 19, 



53. (50.; 



62. (61.) 



63. 

 64. 



(34.) 

 (1.) 



65. (238.) 



82. (83.) 



83. (82.) 



Inriexed margins of elytra markedly differentiated 

 from tlie dorsal part, the intervals being plane and 

 almost devoid of scaling or granulation. 



All granules or tubercles on elytra with short pale 

 depressed seta3. 



The two basal joints of funicle subequal. 



Upper surface of rostrum almost plane, the central 

 furrow narrow and vanishing before middle. 



29. H. sparsus Mshl. 



Upper surface of rostrum distinctly sulcate, the cen- 

 tral furrow strong and complete 28. If. deceptor Mshl. 



First joint of the funicle longer than second. 



26. H. lacunosus Gyl. 



Tubercles on intervals 1, 3, and 5 with very long erect 



black seta,' 27. B. criniger Mshl, 



Scales on elytra very elongate, hair-like. 



Intervals on elytra rugose, the granulation indistinct 

 except near the sides ; prothorax much less trans- 

 verse 30. a. siituraUs, sp. no^'. 



Intervals on elytra distinctly granulate throughout; 

 prothorax very transverse, its sides very stronglj" 

 rounded 31. S. granulatus Gy\. 



Rostrum very short, only a little longer than the 

 head 32. II . graimlusus Tliunb. 



Rostrum either continuous with head, or with its base 

 raised above it, but never separated by a deep trans- 

 verse dorsal incision. 



Scape of antennas not exceeding anterior margin of 

 eye. 



Rostrum without a basal tubercle. 



Lateral sulci on rostrum not uniting at base. 



Sides of prothorax with a distinct spine. 



Rostrum separated from eye by a deep lateral furrow ; 

 size large. 



Rostrixm with only one lateral sulcus above scrolie. 



Upper surface of rostrum with a deep central furrow ; 

 anteocular furrows not approaching above. 



Elytra with rows of large subreticulate foveiu ; the 



intervals narrow 33. H. aurlvilii Per. 



Elytra with rows of small granules instead of punc- 

 tures ; the intervals broad 34. H. sevevas Cijl. 



Upper surface of rostrum plane or slightly convex ; 

 anteocular furrows strongly convergent aliove. 



35. U. varicgatiis, sp. nov. 



Rostrum with two lateral sulci alcove scrobe. 



Row of tubercles on interval 2 of elj^ra complete. 



Sides of prothorax stronglj' dilated and with a stout 



tuberculated spine 36. H. piltdarius F. 



Sides of prothorax scarcely dilated and with a short 

 simple spine. 



Inferior basal furrow on rostrum distinct. 37. H.fiirvvs Falir. 



Inferior basal furrow on rostrum absent. 38. H. teimcgmiiosiis Fairm. 



Row of tubercles on inter\al 2 of elytra extending only 

 from beyond middle to apex. 



Dorsal part of elytral decli\ity strongly compressed 

 laterally; 4th abdominal segment in $ with four 

 sharp projections along its posterior edge. 



40. H. abntjjlecostatiis Gyl. 



Dorsal part of elytral declivity not compressed ; 

 posterior edge of 4th abdominal segment simple in 

 both sexes 39. II. spectrum F. 



Rostrum not separated from eye by a furrow ; size 



small 41. H. spiuifer Gyl. 



Sides of prothorax never with a distinct spine, usually 

 rounded but sometimes angulated. 



Elytra with a large boss-like tubercle at base of 

 interval 5. 



Prothorax without defined smooth lateral spaces. 



