36 Coleopterological Notices, III. 



TIIESAI.IA n. gen. 



This name is proposed for a small species, recently described by 

 Mr. Len,<>- (Ent. Amer., VI, p. 108) under the w&me' Acmseops lisa. 

 Briefly, its characters may be expressed as follows: — 



Front before the antennre nearly vertical. Antennae long and slender, 

 rather api^roximate and dorsal in their insertion. Eyes moderate, convex, 

 with a small distinct but moderately deep sinnation. Neck strongly con- 

 stricted, the constriction extending entirely across the dorsal surface. Legs 

 moderate, the posterior tarsi rather short, densely pubescent beneath, the 

 basal joint subequal in length to the next two together. 



The genus Thesalia should be placed between Leptalia and 

 Ency clops in our lists, and agrees with the former in most of its 

 characters. 



The prothorax differs greatly from either Leptalia or Encyclops, 

 being long and slender, much longer than wide and narrower than 

 the head, rather coarsely and sparsely punctate and not at all im- 

 pressed or canaliculate along the middle. In Encyclojjs coervlea 

 both the head and pronotum are dull and densely covered with a 

 reticulation formed by fine strongly elevated lines. 



I have before me a single representative of Th. lisa collected in 

 Marin Co., California, by Mr. Dunn. It does not entirely agree 

 with the description given by Mr. Leng, having the pronotum 

 sparsely punctate toward the middle, without a well-defined impunc- 

 tate area, the elytra black with the punctures throughout decidedly 

 sparse as well as extremely coarse and deep, and with the sides 

 feebly convergent from base to apex. The hind tarsi have the two 

 basal joints densely pubescent beneath but not as densely so as the 

 third, and are strongly fimbriate along the sides. The specimen 

 here noted is probably the male of the original type, which is with- 

 out doubt a female. 



CEXTRODERA Lee. 



There is before me a specimen which I took on the summit of 

 Mt. Diablo, near San Francisco, which is pale castaneous in color 

 throughout and uniformly and sparsely pubescent. The length is 

 1G.5 mm., and the prothorax is much longer than wide, strongly 

 constricted at basal and apical fourth, with the apex much narrower 

 than the base and the disk broadly, deeply impressed along the 

 middle. The eyes are remarkably large and the antennai are 



