1904.] 



OF THE GENUS HIPPORRHINUS. 



21 



227. (230.) 



228. (229.) 



229. (228.) 



230. (227.) 



231. (226.) 



232. (233.) 



233. (232.) 



234. (235.) 



235. (234.) 



236. (237.) 



237. (236.) 



238. (65.) 



239. (250.) 



240. (243.) 



241. (242.) 



242. (241.) 



243. (240.) 



244. (249.) 



245. (248.) 



246. (247.) 



247. (246.) 



248. (245.) 



249. (244.) 



250. (239.) 



251. (258.) 



252. (253.) 



253. (252.) 



254. (255.) 



255. (254.) 



256. (257.) 



257. (256.) 



258. (251.) 



Anteocular furrows distinct ; prothorax witli only the 



central line smooth. 

 Central carina on rostrum only reaching middle ; 



granules on elyti'a large, distant, and elongate. 



113, S. armatus Fahr. 

 Central carina on rostrum reaching apex ; granules on 



elj-tra smaller and more closely set. . 114. S. monitor FShr. 

 Anteocular furrows absent; prothorax with three 



smooth dorsal lines 115. S. nasntus F§ihi\ 



Elytra with all intervals equally and evenly granulate. 

 Prothorax with long, cylindrical, truncate tubercles. 



116. S. coronatus Fst. 

 Prothorax with small, low, rounded tubercles. 

 Central carina on rostrum obsolescent ; rostral tubercle 



bitid and distinctly dilated at apex,... 117. S. consors Mshl. 

 Central carina on rostrum distinct; rostral tubercle 



bifid, but not dilated at apex. 

 Prothorax as long as broad ; striae on elj'tra deep and 



strongly punctured ; rostrum shorter and thicker, 



its dorsal outline strongly angulated about middle. 



118. S. corniculatus FShr. 

 Prothorax broader than long; striiB on elytra very 



shallow, finely punctured ; rostrum longer and more 



slender, its dorsal outline not angulated but gently 



curved 119. JET. propinquus, sp. nov. 



Scape of antennae reaching beyond anterior margin 



of eye. 

 Rostrum with a basal horn or tubercle. 

 Rostral tubercle rudimentary. 

 Granules on elytra large and distinct ; first joint of 



posterior tarsi very long in <y, longer than second 



and third together 120. S. bimaculatus Mshl. 



Granules on elytra very minute on the lateral intervals, 



obsolete on those near sutures ; posterior tarsi 



normal in (? 121. S. ce7'vinus, s^p.nov. 



Rostral tubercle strongly developed. 

 All intervals on elytra evenly granulate. 

 Forehead not plicate ; striaB on elj'tra finely punc- 

 tured; granules on intervals small and incon- 

 spicuous. 

 Intervals on elytra all even; forehead with a short 



stria 122. H. talpa'Fahr. 



Intervals 3, 5, and 7 slightly more raised than the 



others ; forehead without anj^ stria . . . 123. H. vicinus Mshl. 

 Forehead with fine convergent plications ; striaB on 



elytra rugosely punctured, subreticulate ; granules 



on intervals large and shining but depressed. 



124. H. brevis Mshl. 

 Elj'tra with at most a few solitary granules on 



intervals 4 and 6 125. S. incertus Mshl. 



Rostrum without a basal tubercle. 



Intervals on elytra with distinct granules or small 



tubercles throughout. 

 Inferior basal furrow of rostrum very deep ; elj'tra of 



normal shape ; legs short and thick. 126. H. arenarius F^hr. 

 Inferior basal furrow of rostrum absent ; elytra very 



narrow, legs long and slender. 

 Forehead impressed ; prothorax broadest behind 



middle 127. if. seriegranosus Gy 1. 



Forehead convex; prothorax broadest at or before 



middle. 

 Rostrum thick, the outer lateral carinae undulating ; 



granules on el3'tra with long black setse. 



128. H. lonr/ulus Gjd. 

 Rostrum slender, elongate, the lateral carina3 straight ; 



granules with very short pale setaj. 129. S. sjostedti, sp. nov. 

 Dorsal intervals on elytra quite smooth, or at most 



with very faiut ill-defined granules. 



