BET. T. A. MARSHALL — CORTNODINOBTJM RECENSIO. 47 



humeris valde obtusis. Fedes breves, validi, UBgues appen- 

 dieulis parvis, vix apice liberis. 



56. C. iGNicoLLis, Sojpe. 



Hope, Trans, Ent. Soc. vol. iv. p. 17. — Chrysochus thoracicus, Baly, 

 Ann. 8c Mag. N. H. August 1859. 



C. oblongus, convexus, cylindricus, cseruleo-niger, capite seneo-viridi ; 

 thorace aureo, splendido, subtiliter punctulato ; antennis nigris, arti- 

 culis 4 basalibus apice fulvescentibus ; elytris fortiter striato-punc- 

 tatis, striis apicem versus levioribus. 



Long. 3f lin. ; lat. hum. If lin. 



Face metallic green, tinged with gold between the eyes, longitudinally 

 furrowed, distinctly and rather closely punctate. Eyes golden. An- 

 tennae of the (S twice as long as the thorax, of the $ shorter, the 

 apical joints much dilated, almost as in Corynodes ; the minute 12th 

 joint triangular, exserted. Thorax globose and scarcely angustate 

 in front, rounded at the sides, rather narrower than the elytra, punc- 

 tulate when seen under a lens, bright coppery or gold-coloured. Elytra 

 parallel, cylindrical, of the c? elongate and rather narrow, of the $ 

 broader and more convex ; very obtuse at the shoulders, punctate- 

 striate, the punctures more profound towards the humeral angles. 

 Underside and legs black, with or without a bluish tinge ; pubescence 

 of the tibiae and tarsi fulvous. 



Hab. China. 



Var. Thorax concolorous with the elytra. 



Frequent in collections. 



Grenus Aceothinium, nobis. 

 Caput verticale, ad oculos thoraci insertum, oculis prominulis, 

 ovatis, supra ampliatis, integris. Antennce artieulis 5 ultimis 

 leviter dilatatis, compressis ; articulo I"'" magno, ovato ; 

 2"^° cylindrico, curvato, brevi ; 3*^° ad 6*"™ elongatis, filiformi- 

 bus ; 6*° breviore quam prsecedens ; 7™^° conico, caeteris lon- 

 giore ; ultimo apice triangulo, s. acuminato. Thorax trans- 

 versus, elytris parum angustior ( $ ), s. oblongus, attenuatus, 

 elytris multo angustior ( c? ) ; antice et lateribus rotundatus, 

 basi truncatus, post oculos vix bisinuatus. Antepectoris pro- 

 cessus anterolateralis trigonus, ab angulo thoracis suam ipsius 

 longitudinem distans. Scutellum semiellipticum. Tjlytra 

 (maris) lata, brevia, dorso subdepressa, lateribus parallelis, 

 apice subito clausa ; (femin£e) magis oblonga et convexa ; in 

 utroque sexu antice transversim subimpressa. Fedes longi, 

 validi, tibiis extus apice fortius angulatis : unguium appen- 

 diculis vix apice liberis. 



