1904.] 



OF THE GENUS HIPPORRHINUS. 



15 



18. (17.) 



Intevvals 2, 4, and 6 broad, quite plane, and with dense 

 white or ochreous scaling ; punctures on elytra not 



ocellated 9. if. quadrilineatus Gj-1 . 



Intervals 2 and 4 on elytra granulate. 



Interval 3 with large conical tubercles at least from 



middle to apex. 

 Rostrum with a central carina; elytra without true 



scales, but with recumbent pale seta;. 10. H. setidosufi Gyl. 

 Rostrum without a central carina ; elytra with scat- 

 tered large round whitish scales 11. if. gravidus, sp. nov. 



Interval 3 evenly granulate throughout, or at most 

 with a single tubercular prominence on or near the 

 declivity. 

 Rostrum without a central carina. 

 Elytra broadly ovate, not transversely rugose, but 

 with regular rows of granules or small closely-set 

 punctures. 

 Elytra distinctly sulcate ; sulci granulate. 



Forehead longitudinally rugose 12. H. uerruceUus dyl. 



Forehead with two distinct fovea) separated by a 



narrow carina 13. H. ohesiis Gyl. 



Elytra not sulcate, densely, regularly and evenly 



tuberculate throughout, with small rounded tubercles. 



Interval 3 with a distinct tubercular prominence on 



the declivity ; forehead not impressed. 14. H. coiiycstus ^IA\\. 

 Interval 3 without any prominence; forehead with 



two longitudinal impressions 15. S. namaqiius, s\>. now. 



Elytra heart-shaped, transverselj^ rugose, and with 

 rows of large and remote, but indistinct foveola;. 



16. S. subcovdatus Gyl. 

 Rostrum with a distinct central carina. 

 Rostrum not very short, much longer than head. 

 Scales on elytra normal, round or ovate. 

 Posterior tibia3 strongly dentate interiorly. 

 Shoulders of elytra with a tubercular projection ; 

 inter\al 3 with a large granulate prominence on the 



declivity 17. H. albieinctus Gyl. 



Shoulders of elytra simple ; inter\al 3 without 



prominence. 

 Each elytron produced at apex into a very long sharp 



spine 18. if. Janus Mshl. 



Ajiices of elytra at most with a small tubercle. 

 Sulci on elytra indistinct, being tilled with rows of 

 large granules, nuiking the elytra to appear evenly 



granulate all over 19. if. coi-jpideiitus Gyl. 



Sulci on elytra distinct, containing only very minute 



granules. 

 Prothorax large, globose, only shghtly narrower than 



the elytra at slioulders 20. if. cart us Gyl. 



Prothorax exceptionally small in proportion, only 

 about half as wide as the elytra at shoulders. 



21. if. mJJatus, sp. nov. 

 Posterior tiljia; scarcely dentate interiorly. 

 Interval 3 on the elytra with a more or less distinct 



solitary tubercle at the summit (jf the declivity. 

 Prothorax with a distinct constriction near apex, the 



sides verj^ sti'ongly rounded 22. if. hitubevcidatiis Gyl 



Prothorax not constricted apically, the sides only 



moderately rounded 23. S. august us, sp. nov. 



Interval 3 without any solitary larger tubercle. 



Inflexed margins of elytra not markedly differentiated 



from the dorsal part, the scaling and granulation 



similar. 



Elytra with a low, tuberculate, intra-apical callus on 



each side ; anterior tibiie of ^ distinctly sinuate 



externally 25. H. peringue;ji, sp. nov. 



Elytra without any intra-apical callus ; anterior tibiaj 



of $ not sinuate exterually 24. if. capeiisis L. 



