's RIJKS MUSEUM VAN NATUURLIJKE HISTORI E — LEIDEN. 117 



N.B. — The Asiatic medium-sized dingy brownish Henicocephali (several 

 of which are still undescribed) have all a similarly sculptured pronotal 

 median lobe and form a very difficult group requiring great care both in 

 examining and describing. The shape of the hind femora has not hitherto 

 attracted the attention it deserves; it is in fact of importance as a specific 

 character in this as well as in other groups of the genus. 



6. Henicocephcdus collaris "Walk. 



Tjinjiroean (McG.); Goenoeng Gedeh(J.); Tengger Mts. (Fruh- 

 storfer, my coll.). 



This very distinctive species has been recorded from northern India 

 and Burma, it was redescribed from Java under the name H. sanguinipes 

 Bredd., and I have seen specimens of it from Laoet Island near the S. E. 

 coast of Borneo. Distant's description and figures give a good general 

 idea of the species, but the length of the head is somewhat exaggerated 

 in the figures, and this may be the cause why Breddin failed to recognize 

 it; yet it is curious that he did not even compare his species with col- 

 laris. Although I have seen many specimens of this species, the male is 

 still unknown to me; but as even in the female the space between the 

 eyes is only twice broader than an eye, and the median pronotal lobe 

 considerably narrower than the hind lobe, we must assume that the usual 

 sexual differences are but little pronounced in this species. 



7. Henicocephcdus volatilis n. sp. 



Niger vel fusco-niger, brevissime pubescens, summo apice capitis, 

 articulo ultimo antennarum et basi apiceque rostri pallide flavo-testaceis, 

 parte apicali coxarum, trochanteribus, geniculis, apice tibiarum tarsisque 

 albidis, capite subtus, praesertim in lobo postico, longius piloso. Caput 

 pronoto subaeque longum, lobo postico e supero viso ovali, quam antico 

 cum oculis (cf ) paullo angustiore, spatio interoculari maris superne oculo 

 duplo latiore, inferne oculo aeque lato, rostro et antennis pilosis, his capite 

 et lobis duobus anterioribus pronoti conjunctis paullo longioribus, articulo 

 primo apicem capitis superante, secundo lobo antico capitis fere aeque 

 longo, tertio secundo paullo breviore, quarto secundo fere aeque longo 

 vel paullulo breviore. Pronotum fere aeque longum ac latum, basi ante 

 scutellum late levissime sinuatum, lobo antico medio minute et anguste 

 impresso, lateribus extrorsum, et paullo deorsum dentato-producto, lobo 

 medio ((ƒ) postico multo angustiore, impressione longitudinali media lineari 

 postice foveato-dilatata et utrinque impressione trivia (non semper com- 

 pléta) instructo. Scutellum lateribus leviter sinuatum, apice paullo pro- 



