﻿COLEOPTERA COLLECTED ON THE BORDERS OF TIBET. 211 



Carabus mecynodes, n. sp. 



Allied to C. davidis (Deyrolle). In form the male, though relatively 

 equally elongate, is more cylindrical than that of C. tientei and C.protenes, 

 the elytra not being perceptibly widened behind, and the convexity sloping to 

 the apex. The thorax is very similar in form to that of C. tientei, being 

 broad and rounded in front and narrowed behind, with little sinuosity, to the 

 subobtuse hind angles, but the surface is much more faintly rugulose. The 

 elytra have the same type of sculpture, viz., three chain-striae on each, 

 separated from one another, and from the sutural and marginal spaces, by 

 three carinae, but the strise are much less deeply incised. The lateral space 

 exterior to the three carinas is minutely granulated in lines. The apex (in 

 the male) is sinuated rather more strongly than in the same sex of G. tientei. 

 In colour the species is very different, the head and thorax being dark 

 bluish green and the elytra purple-coppery. The palpi, dilated anterior 

 tarsi, and ventral grooves are as in C. tientei and allies. Long. 30 millim. $ . 



Wa-shan. Three examples, all males. 



Carabus vigilax, n. sp. 

 A species of the same group as G. tientei (subg. Morphocarabus, Gehin), 

 but distinguished from aU the others by its very prominent eyes and cordate- 

 quadrate thorax, strongly sinuate and narrowed behind, with outstanding 

 and subacute hind angles. Elongate, slender, elytra moderately elongated, 

 convex behind the middle, and flattened at the sides and apex ; black, neck 

 constricted ; thorax faintly coriaceous ; elytra obliquely subtruncated at the 

 apex, each with three chain-striae, and with four series of triple carinae, the 

 lateral one granulated and less regular, the striae very faintly punctured ; the 

 large foveae of the chain-strias impinge in some cases on the adjoining carina 

 on each side, and therefore show an approximation to the type of sculpture 

 characteristic of the sylvestris group (subg. Oreocarabus, Gehin). The legs 

 are elongate ; the anterior tarsi of the male have four nearly equally dilated 

 joints ; the 4th to 6th segments of the abdomen have a curved transverse 

 groove : the terminal joints of the palpi are very slightly dilated, even in the 

 male, and the antennae in the same sex are simple and elongated. Long. 

 22 millim. <3\ ? . 



Wa-shan, alt. 6000 feet ; Chia-ting Fu, 1000 feet. 



Coptolabrus pustulifer, Lucas, Ann. Soc. Ent. Fr. 1867 and 

 1872, p. 293, t. 14, f. 12. 

 Mr. Pratt obtained a fine series of this very remarkable species 

 both at Chia-ting Fu and at Wa-shan, all the examples being con- 

 formable to the description and figure given by Lucas above cited. 



Coptolabrus principalis, Bates, Proc. Zool. Soc. 1889, p. 216- 

 Ichang. Further specimens of this species, distinguished by 

 the elegance of the elytral sculpture from the allied species of 

 similar emerald-green and golden-coppery colours, have been 

 received from the same locality, the neighbourhood of Ichang, 

 whence came the original examples. 



Coptolabrus longipennis, Chaudoir, Ann. Soc. Ent. Fr. 1863, 



p. 449. 

 Ichang. In the ' Proceedings Zool. Soc' 1889, p. 217, I have 

 given the reasons for referring the insect previously taken by 

 Mr. Pratt, at Ichang, to the species described by Baron Chaudoir. 



Q2 



