14G TEIiTIAEY EHY]S^CHOPHOEOU!S COLEOPTEKA. 



Tribe SPHENOPHORINI. 



Three species of tliis tril)c liave liecii discovered in the Tertiary deposits 

 of Europe and fonr in America. All of tlie former, found at (Jeningen and 

 at Rott, have been referred to Sjjhenophorus. In America two of the species, 

 from Florissant, belong- to Scyphophorus, while eacli of the other two, one 

 from Florissant and the other from tlie Rrtan mountains, is regarded as the 

 type of a distinct genus. 



TahJe «f llif f/enera of Sphenojihorini. 



Prothorax judlonucd in fnml to forin ;i liood like covcriiiii' to the head. . . .Sciahregma. 

 Prothorax iioriiial. 



Elytra apically tnuicate, exiiosiiig a large pygidiniii; antenna' of usual stout- 

 ness iScjiphophorus. 



Elytra not apically tiuneate, the exposed i>ygidium small; antenna' exceptionally 

 small and slender OryctorhuiKs. 



8(TABRE(t]\IA (o)ud, /ipeyjja), gen. nov. 



This name is projjosed for what is certainly a i-emarkable form of Ca- 

 landridge, or, indeed, of Rhynchophora, in which the upper anterior i^ortion 

 of the prothorax is produced to form an overarching frontal guard to the 

 headj'nearly or cpxite as long as the I'est of the prothorax itself There are 

 man}' Rhynchophora, whicli, from tlie emarghiation of the sides of the 

 prothorax to luu-over the otiicrwise jtartl}' (H'lipsed eyes, appear, on a side 

 view, to show a tendency to some forward ])roje{'tion of the upper jiortion, 

 but on viewing them above, nothing of the kind appears. Here, however, 

 the front is prolonged to an excessive distance, <nid cnrves downward in 

 addition, thoroughly protecting the head, hut in no way interfering A\ith 

 the drooping beak. A similar development is seen in some exotic Curru- 

 lionidse, as Plagycorynus, Anchonus, and Pileophorus. 



It appears to resemble most the Sphenojihorini, tliough the needed 

 characteristic parts to determine this are not preserxed. The liead is short, 

 the beak gently curved, nearly or quite as long as the body of the jirothorax, 

 slender, growing gradually stouter at the l)ase; the eyes are small and 

 circular. Tlie prothorax, iucliidiiig rlie frontal projection, is coarsely rugose. 



