1804.J 33 



Thymalus limhatus, E. ThymaTus Auhei, Lev. 

 laticeps, sp. n. fulgidus, Er. 



puncfidorstim, sp. n. ohlongus, E-eitt. 



suhtilis, Eeitfc. parviceps, sp. ri. 



The males of Thymalus are distinguished from the females in 

 having the last segment of the abdomen hairy, 



Thymalus laticeps, sp. n. ^, 

 Sreviter ovalis, hrunneus, supra suhmetallicus, puhescens ; capite tJior- 

 aceque punctatis ; antennis {basi excepta) infuscatis; pedihus obscure brunneis. 



Long., 6 — 7 mm. 



Short oval, brown, slightly metallic above ; the head somewhat wide, irregu- 

 larly and sparingly punctulate, the punctures much finer than those of T. parviceps ; 

 the thorax punctured more closely than the head, dilated behind the middle ; the 

 elytra punctate, the punctures arranged in rows, each puncture well separated from 

 another, the nodules not very conspicuous, the margins dilated like those of T. 

 limbatus ; the antennae with the basal joint enlarged and with the second, reddish- 

 brown, the rest infuscate ; the legs dark brown, tarsi paler. 



Hah. : Chiuzenji, Ojama, Eujisan, Savrara, and Junsai. 



The head of this species is one-third wider than that of T. 

 parviceps. It resembles T. limbatus very closely, but is much larger. 



Thymalus punctidorsum, sp. n. 



T. laticipiti similis sed thorace parum dense punctulato et elytris profunde 



punctatis, punctis approximatis ; antennis articulo prima hand expanso. 



Long., 7\ mm. 



This species resembles T. laticeps very closely ; the basal joint of the antennse 

 is enlarged a little, but not widened out ; the head distinctly punctate ; the thorax 

 somewhat densely punctulate ; the elytra punctate, the punctures being very deep, 

 and closely set together, the nodules well raised. 

 Hah. : Tuyama. One example. 



Thymalus paeviceps, sp. n. 



Ovalis, hrunnetis,pubescens, supra ceneo micans ; capite punctata ; thorace 

 elytrisque marginibus brunneis ; antennis clava nigra. Long., 4j — 5 mm. 



Brown, shining, pubescent, thorax and dorsal area brassy, with the margins 

 brown or ferruginous ; the head rather small, irregularly punctured (punctuation 

 varying in individuals) ; the thorax finely and sparingly punctulate; the elytra punc- 

 tate, the punctures set in rows, each puncture being well separated from another, 

 at the base midway between the scutellum and the humeral angle is a large and very 

 distinct nodule, the margins narrowly dilated ; the antennae with the basal joints 

 red, 2 — 7 reddish-brown, three terminal black, the basal joint much less enlarged 

 than that of T. laticeps. 



Hah. : Junsai, Sawara, Ontaki, and Chiuzenji. Twelve specimens. 



The type of T. ohlo7igus, Eeitt., is in the collection of Mr. J. R. 



H. Neervoort van de Poll, but I have a second example, lent to me by 



the kindness of Herr E. Rcitter, from Lake Baikal, which is believed 



