the genus Griocephahts. 159 



it thirty years ago. G. montanus is perhaps a variety of 

 C. nuhilus. G.obsoletus and G. mexicanus are treated in the 

 British Museum collection by Mr. Gahan as being the same 

 species, and he is probably right. G. australis I do not 

 know; it is probably another genus, as suggested by 

 Leconte. » 



In the Bull. Brooklyn Soc, vol. vii, 1884, pp. 63, 64, 

 there is given a table of the North American Griocephalus, 

 but it is not of any importance. It is taken from Leconte; 

 and some synonymy is added that is apparently taken from 

 the Munich Catalogue ; there is also a figure of " G. pro- 

 duetus," which is certainly not representative of that 

 species, but is more like G. asperatus. 



C. nitbihis differs from the first Lecontian group of 

 species by having shorter hairs on the metasternum, and 

 longer setae on the eyes. It differs from G. tibetanus by 

 the less transverse thorax and the much larger lobes of the 

 tarsus. 



Criocephalus tibetanus, sp. n. 



§ . Major, fusco-niger opacus, prothorace sat transverso, elytris 

 bicostatis, fortiter punctatis. Long. 24 mm., lat. 6 J mm. 



Although this insect looks like G. rusticus, and has 

 sculpture similar thereto, it is allied to G. ferus. No setae 

 are visible on the eyes, there is a bush of erect pubescence 

 on the gular area, and the third tarsal joint is only slightly 

 bilobed. The labrum I have not been able to examine, 

 so that the position of the species is doubtful. The gular 

 area is not definitely limited behind, it is very broad, 

 densely sculptured, rugose in front, rather finely punctured 

 behind. 



Hal. Tibet. 



The type is in the British Museum, and was found in 

 East Tibet by one of the collectors of the late Mr. J. H. 

 Leech. A very similar insect from Tibet is the G. deeeptor 

 described on a previous page. 



Criocephalus exotic us, sp. n. 



<J. Angustus, niger, prothorace haud transverso, profunde bi- 

 impresso ; elytris obaoletissime costatis et punctatis. Long. 17 mm., 

 lat. 5 mm. 



Described from a single male in bad preservation in the 

 collection at the British Museum. The eyes have no long 



