Coleoptera of the Canary Islands. 163 



1 5. EuhracMum politum,* n. sp. 



B. piceo-nigrnm, rotundato-ovale, convexum, nitidum, parce et 

 leviter punctatum, fere calvum ; prothorace ad latera oblique 

 subrecto, stria laterali siibrecta ; elytris postice attenuatis ; 

 antennis pedibusque piceis, illarum capitulo ferrugineo. 



Long, Corp. lin. § — |. 



Habitat ins. Lanzarote et Hierro, sub cortice Euphorbiarum, 

 rarissimum. 



The present insect may be known from its two allies by being 

 somewhat smaller and more convex, by its more rounded outline 

 and brighter and more glabrous surface, by its protborax being 

 straighter (though very oblique) at the sides, and by its punc- 

 tuation being altogether finer and much less dense. Three speci- 

 mens of it only have as yet come beneath my notice, — two of 

 which I captured, in company with the last species and Eutriptus 

 putricola, from under the loose bark of Euphorbias in the lower 

 region of El Golfo, on the west of Hierro, during February, 

 1858; and the other on the Euphorbia-covered cliffs above the 

 Salinas, in the north of Lanzarote, during March of the following 

 year. 



Earn. CLERID^. 



Genus Clerus. 



GeofFroy, Ins. des Env. de Paris, 303 (1764). 



At first sight the interesting little insect described below might 

 be almost referred to the genus Omadius ; nevertheless on closer 

 inspection it will be found (judging from the published diagnosis) 

 to lack the main features of that group, — as, for instance, the sub- 

 approximate eyes and simple mandibles. I would regard it, 

 therefore, as a Clerus, with which in its oral organs it has sufifi- 

 ciently in common. Its antennae are perhaps somewhat slenderer 

 than in the typical Cleri, and the terminal joint of its labial-palpi 

 is a little more elongate, whilst that of its maxillary pair is rather 

 more fusiform, and subattenuated towards its extremity ; but in 

 its deeply bilobed, membraneous upper-lip and the obtuse tooth 

 within the apex of its mandibles, as well as in the form of its 

 (very thin) mentum and ligula, it is nearly coincident with the 

 ordinary Cleri. 



16. Clerus Paiv(S,* n. sp. (PI. VIL fig. 5.) 

 C. subsenescenti-nigropicens, pilis robustis demissis albido- 

 cinereis vestitus et setulis paucis longissimis erectis ad- 

 M 2 



