CYB.TOKOPS. 



59 



a'. Femora subcylindrical ; first joint of hiud 



tarsi longer than the second and tliird 



united. 



a-. Femora rather stout, the hind pair not 



reaching to tlie apex of the elytra; 



prothorax not striate Distenia, p. 62. 



b-. Femora slender, the hind pair reaching 

 to the apex of the elytra; prothorax 



transversely striate in part Typodryas, p. bo. 



b'. Femora fusiform ; first joint of liind tarsus 

 shorter than the second and third 



united Melegena, p. 66. 



b. Eyes rather finely facetted ; femora clavate . Nericonia, p. 67. 



Geuus CYRTONOPS. 



Cyrtonops, WMte, Cat. Coleopt. B. M., Longic. p. 32 (1853). 

 Cladopalpus, Lansh. Notes Leyd. Mus. viii, p. 35 (1886). 



Type, G. jmnctipennis, White. 



Range. Northern India, Burma, Tonkin, Siara, Sumatra and 



Java. , 



S. Head strongly exserted, gradually narrowed backwards 

 from the eyes ; eyes"trausverse, large and prominent, with feebly 

 sinuate front margin ; front very short ; clypeus short, transverse, 

 submembranous near its front marghi ; mandibles stout, abruptly 

 incurved below, with sharp subtruncate or bidentate apical edge ; 

 maxilla? bilobed, their palpi very long, with the second joint live 

 or six times as long as the first, the third very short, the fourth 

 nearly as long as the second and furnished with a long bent ramus 

 arising near its base ; labial palpi short, with thickened terminal 

 joint ; mentigerous process of submentum distinct and rather 

 "long. Antennte inserted very close to the base of the mandibles, 

 extended some distance beyond the middle of the elytra, sparsely 

 pubescent ; first joint as long as the head, slightly curved, gradually 

 thickened towards the apex ; third shorter than first and slightly 

 longer than fourth ; fourth to eleventh subequal in length but 

 successively narrower. Prothorax with a short conical tubercle on 

 each side. Mesonotum with stridulatory area, divided by a median 

 groove. Elytra gradually but slightly narrowing backwards, 

 rounded at the apex, very strongly subseriately punctured. Legs 

 moderately long, with strongly thickened femora, the hind pair 

 longer and thicker than the others and either denticulate or 

 spinulose beneath ; tarsi rather broad, the third joint not cleft 

 down the middle, but deeply channelled above, with the minute 

 fourth joint inserted in the normal position at its base. Front 

 coxa) slightly angulate on the outer side, rounded and almost 

 contiguous on the inner, the prosternal process very short 

 and the coxce separated only by a thin vertical plate; their 

 acetabula open behind. Acetabula of middle coxae extend to 



