202 Mr. J. O. Westwood's Descriptions 



An var. Odont, emarginatus (Reiche), W. W. Saunders, Ent. 

 Trans. N. S. iii. p. 49 ? 



Mas. — Niger, subnitidus, prsesertim in disco elytrorum. Caput 

 latum, antice concavum, margine antico late emarginato, latc- 

 ribus pone oculos tuberculo magno instructis ; angulis anticis 

 oblique truncatis ; vertice sub lente tenuissime granulato, 

 punctis nonnullis majoribus prope oculos. Mandibular capite 

 parum longiores, falcato-curvatas, apice oblique truncato, 

 denticulato basique obtuse dentato. Antennae articulo Gto 

 subquadrato, intus in angulum parvum setiferum producto ; 

 7mo paullo inajori, intus suboblique truncato ; 8vo trans- 

 verso, intus oblique truncato; 9no subacute; lOmo subro- 

 tundato. Oculi scpto in duas partes divisi. Caput infra fere 

 planum, genis parum concavis et profunde punctatis. Pro- 

 thorax capite paullo latior, lateribus et postice tenuissime 

 marginatus, disco subgranulato, punctoque majori in medio 

 laterali, angulis posticis profunde emarginatis, eraarginatura 

 spina antice et postice terminata. Elytra sub lente vix gra- 

 nulosa ; convexa, parum nitida ; prothorace paullo angus- 

 tiora. Pedes longi, antici tibiis sat latis, extus G-dentatis, 

 apice intus setoso, spinaque brevi curvato armato : tibiae 

 intermediae et posticas extus inermes apice externo acuto, 

 intus ad apicem striolis setarum lutearum instructse, tarsi 

 subtus luteo-s})ongiosi. Prosternum postice porrectum, suba- 

 cutum, raesosternum incrme obliquum. 



Plate X. fig. 5, Odontolabris Evansii of the natural size; 5a, mentum; 5b, 

 antenna ; 5c, pro- and mesosterna. 



I have only seen a single specimen of this species, represented 

 in the plate, in the Collection of W. F. Evans, Esq., M.E.S. 

 It is certainly very nearly allied to Odonlolabrls emarginalus ; but, 

 as a large and fully developed example of the male of that species 

 was selected for the figure given in a former part of these Trans- 

 actions, I can hardly think that the present insect can be consi- 

 dered as a mQdification of the male form of 0. emarginatus, and 

 shall, therefore, regard it as distinct until its identity be proved 

 by a series of links establishing the chain between the two forms. 



Sp. 6. Cladognathiis piceipennis. (Plate X. fig. 6.) 

 Niger, sub lente tenuissime granulosus, clytris obscure castaneis, 

 corpore infra cum pedibus magis castaneis ; mandibulis valde 



