2] 6 CATANTOPIN-Ti. 



Genus GELASTORRHINUS. 



Geldstorrhijiu^, ]>niniier, Ann. Mus. Genova, x.vxiii, 1{X)3, 

 pp. 137, 157. 



Type, Gelastovrhinus alboUiieatus, Bi'uiin. 



Range, Indian Kegion, Africa, jMadagasear. 



Body long, moderately slender, vertex short; antennae long, 

 ensit'orm, slightly remote from the eye ; front very oblique, 

 frontal ridge sulcated, with the middle carina? sliglitly diverging, 

 and the lateral carinse straight. Tegmina and wings long, narrow, 

 and pointed. Pronotuin smooth, triearinated ; ])rosternnin with a 

 very small tooth. Front and middle legs short, hind legs long and 

 slender; hind femora carinated above, terminating in two pointed 

 lobes; hind tibiaj with i;3-20 spines on each carina, but no out:;r 

 terminal spine. Abdomen compressed ; supra-anal lamina of 

 male pointed, sulcated ; eerci in both sexes depressed, pointed or 

 rounded ; upper abdominal appendages unarmed in the male, the 

 lower ones slightly denticulated in both sexes. 



Key to the Sj)ecies. 



1 (2) AnteiinJB very long, only slightly 



thickened at base Jilatus^ Walk., p. 216. 



2 (1) Antennte shorter, nuich tliickened 



and tiattened at base. 



3 (4) Tegmina uniform j'ellowisli ureen . laticumis, Serv., p. 217. 



4 (3) Tegmina not uniform yellowish 



green. 



5 (t!) Rostrum separated from vertex by 



a triangular sulcus ; nntennie as 

 long as he.nd and pronotum 



together soiiijiictus, Walk., p. 217. 



G (o) liostruni separated from vertex by 

 an arched sulcus ; an tenn;e longer 

 than head and pronotum to- 

 gether. 



7 (8) Tegmina lined witli white (tlholinedlus, Bvunn., p. 218. 



8 (7) Tegmina not lined with white. . . . selache, Burr, p. 218. 



258. Gelastorrhinus (?) filatiis, WaU:. 



Mesopsjilatus, AValker, Cat. Berm. Salt. B.M. iii, 1870, p. 502. 



Rufo-testaceous above, and the sides probably yellowish green. 

 Fastigium of the vertex rather long, obtusely angulated at the 

 extremity, separated from the vertex by a curved sulcus ; antennje 

 more than lialf the length of the body, long and slender, narrowly 

 ensiform towards the base ; head about as long as the pronotum, 

 frontal ridge sulcated, the carinae diverging towards the extremity. 

 Pronotum with two distinct carinae, the first about the middle, the 

 second at three-fourths of its length ; hind border obtusely rounded, 



