260 DESCRIPTIONES LUCANIDARUM, &C. 



genere Dorco : thorax capite multo major subquadratus, convexus, 

 longitudinaliter in medio et transverse subim])ressus ; in mare 

 subcucullatus (c.) margins antico supra caput producto, 4-tuber- 

 culato, tuberculo antico magis prominente, in fern, margine antico 

 fere recto, tuberculis 3"'. alteris subelevatis : elytra convexa, 

 thoracis latitudine et illo duplo longiora : scutellum breve rotun- 

 datum : tibiae anticse 7-dentat3B. 



Species typicalis. Xiphodontus Antilope. Westwood. 



X. niger. Subnitidus, capite tho- U (N 



raceque {prccsertim in fern.) rude 

 punctatis, hoc impressione lata 

 subprofunda ad partem posticam, 

 elytrorum singido striis longitudi- 

 nalibus ciixiter 14, opacis, inter'- I \\Jl ^^iiulmOo 



stitiisirregtdariterpunctatis^apice f \ L J 



sublwei. (Long. corp. lin. 5|.) 



Habitat in Africa Australiori. In Mus. nostr. Mas et fern. 



Communic. Dom. Templeton, 



Genus Ceratognathus, Westwood. 



Genus novum Cerucho et Platycero afiine : ex his differt prsesertim 

 mandibulis et antennis. Hsec genera forsan generibus Syndeso 

 et Hexaphyllo conjungit, his structura mandibularum et lamel- 

 larum apicalium antennarura congruens. 



Corpus oblongum convexum : caput Twaris magnum, transversum,/(?7n. 

 parvum, oculi 2 laterales integri: mandibulae maris capitis longi- 

 tudine, graciles, arcuataa, apice compressae 3-dentatae, versus basin 

 ramo erecto dentiformi armatas ; fern, parvse subtrigonae acutae dente 

 ante apicem interne armatae : maxillae minutae lobo interno fere 

 obliterato ; externo conico valde ciliato : palpi niaxillares elongati 

 exserti : mentum maiis transversum, basi latius, margine antico 

 fere recto truncate ; fern, subtriangulare : palpi labiales elongati 

 (maxillaribus breviores) in mare ad angulos anticos menti inserti, 

 in fern, fere conjunctim ad apicem trianguli : antennae subgeni- 

 culatae, articulo primo longo, tribus ultimis in mare in lamellas 

 elongatas productis; in fern, sub-perfoliatis: thorax maris trans- 

 verso-quadratus lateribus fere rectis subserratis ; fern, antice atten- 

 uatus : elytra latitudine partis posticae thoracis, convexa, postice 

 rotundata: scutellum parvum triangulare, angulo postico rotundato: 



