CANARIAN COLEOPTERA. 181 



small semicircular eyes, which are concealed beneath the lateral angles 

 of the forehead ; by its prosternum being sharply keeled in front (as 

 in Pachylopus) ; by its prothorax being densely and equally punctu- 

 lated throughout, and the four dorsal strise of its elytra entire ; by 

 its propygidium being less abbreviated than is ordinarily the case ; 

 by its mandibles being exceedingly acute, greatly and suddenly in- 

 curved at their apex, and armed with a tooth internally ; and by the 

 ultimate joint of its palpi being perfectly cylindric, and in the labial 

 pair somewhat enlarged. 



291. Xenonychus fossor, n, sp. 



X. piceo-niger, subnitidus, ad latera ipsissima longissime fulvo-ciH- 

 atus ; fronte impunctata, carina transversa tenui subobsoleta bi- 

 sinuata; prothorace densissime sed levissime punctulato (punetis 

 serratulis et minus impressis sed vix minutis) ; elytris in medio 

 (praesertim postice) sat profunde punctatis, striis profundis crenatis, 

 humerali in subhumeralem mergente, lnia_4tam dorsahbus postice ad 

 apicem continuatis, suturah tenui Integra cum 4*'^ dorsali ad basin 

 juncta, necnon in spatio inter suturalem et quartam stria 5*^ plus 

 minus indistincta antice evanescente impressis ; mesosterno sat 

 profunde punctate, apice late sed leviter excavate ; antennis bre- 

 vibus, flavo-piceis ; pedibus robustissimis, riifo-piceis. — Long. corp. 

 Hn. li-lf. 



Habitat Fuerteventuram, praesertim ad radices plantarum (Zt/go- 

 phylU Fontanesii, "Webb, et caet.) in arenosis aridis submaritimis cres- 

 centium fodiens. 



As already stated, this curious insect is found m the dry sandy re- 

 gions of Fuerteventura adjoining the coast. It was taken, sparingly, 

 both by Mr. Gray and myself, around the roots of Zygophylhim Fon- 

 tanesii and other shrubby plants, on the exposed sand-hUls about a 

 mile to the south of Puerto de Cabras, during February 1858. 



Genus 124. EUBRACHIUM. 

 WoUaston, Trans. Ent. Soc. Lond. (3rd series) i. 159 (1862). 



292. EubracMum punctatum. 



Eubrachium punctatum, Woll., Trans. Ent. Soc. Lond. (3rd series) i. 

 162 (1862). 



Habitat in lauretis Teneriffae et Palmae, sub cortice ai'borum laxo 

 humido, rarissime. 



I have pointed out the distinctive characters of the present and 

 two following species in a paper which has lately been published in 

 the 'Trans, of the Ent. Soc. of London.' The E. punctatum appears 



