106 Rev. A. Matthewa on new CorylophicUe. 



underside correspond with tlie normal tjpe of Sacium^ 1 feel 

 no hesitation in placing it in that genus. It was found in 

 My sol by Mr. Wallace. 



Sacium alutaceum, sp. nov. 

 Long. 1 mm. Oblongo-ovale, modice couvexum, sat profunde punc- 

 tatum, totum alutaceum, pills aureis sparse vestitum, prouoto 

 rufescente, elytris piceis ; pronoto sat longo, antice ovaliter ro- 

 tundato et fortiter reflexo ; elytris pronoto vix latioribus, duplo 

 longioribus, ad humeros latissimis ; pedibua robustis, Isete flavis ; 

 antennis modicis, flavis. 



S. alutaceum resembles in form the normal species of Sacium^ 

 from which it is distinguished chiefly by the deeply alutaceous 

 sculpture of its upper surface. 



Found near Maldonado, in South America. 



Arthrolips rotundatus, sp. nov. 



Long. 1*50, lat. 1 ram. Ovatus, latissimus, modice convexus, pro- 

 funde punctatus, rufo-testaceus, pills flavis dense vestitus ; pronoto 

 maguo, antice clrculariter rotundato et modice reflexo, sat pro- 

 funde punctato ; elytris pronoto parum latioribus, plus quam 

 sesqullongiorlbus, et magls levlter pnnctatls, prope humeros 

 latissimis, postlce angustatls ; pygidlo longlus exserto, rufo-tes- 

 taceo ; pedlbus modlcls, flavis ; antennis brevlbus, robustls, flavis. 



Like Sacium imperiale this species has a most abnormal 

 appearance. In outward form it exhibits no affinity to Arthro- 

 li2^s, although in the whole of its anatomy it perfectly accords 

 with that genus. 



Two specimens were found by Mr. Bowring in Borneo. 



Arthrolips suffusus^ sp. nov. 

 Long. 1'35 mm. Late ovalls, convexus, nitldus, pills aureis sat dense 

 vestitus, obscure castaueus ; pronoto rufescente et vltta suff'usa, laete 

 rufa In disco elytrl utriusque ; pronoto magno, antice fere clr- 

 culariter rotundato et levlsslme reflexo, levlssime punctato ; elytris 

 pronoto baud latioribus, duplo longioribus, ad humeros latissimis, 

 profunde punctatls, vitta lata, suffusa, rufa. In utroque uotatls ; 

 pedlbus robustls atque antennis laete flavis. 



Found in China by Mr. Bowring. 



Arthrolips bimaculatus, sp. nov. 



Long. 1*25 mm. Late ovalls, valde convexus, nltldulus, modice 

 punctatus, pills flavescentlbus sat dense vestitus, plceus, marglne 

 anterlore pronotl rufescente, atque macula magna ovali laete rufa 

 In elytro utroque, notatus ; pronoto magno, lato, antice clrcula- 

 riter rotundato, modice reflexo et Isete rufescente, confertlm 

 punctato; elytris pronoto baud latioribus, vix sesquilongior- 



