14 Mr. T. V. Wollaston on the Anobiadse 



catis) ; antennis dilute testaceis ; pedibus rufo-ferrugineis, tibiis 



gracilibus. 

 Long. Corp. lin. 1^-1 1. 

 Habitat in Canaria Grandi, in regione " El Monte " mensibus Martio 



et Aprili 1858 a meipso detectus. 



In their general contour, clothing, and hue, the present spe- 

 cies and the following one are very similar, and therefore might 

 easily be confounded unless their characters were clearly pointed 

 out. I am convinced, however, after a careful examination 

 of them, that they are truly distinct, — the X. desectus not only 

 being very much more coarsely punctulated (when viewed be- 

 neath the microscope), and having its shoulders more obliquely 

 truncated or rounded-off, but likewise having the basal joint of 

 its (rather longer and darker) antennse considerably less inflated 

 — a structure which is exceedingly apparent when the antennse 

 of the two species are removed, and gummed alongside each 

 other on a separate card. In minor details, the X. desectus has 

 its elytra a trifle more convex (or drawn-in) posteriorly, with 

 their pubescence rather shorter and with a more evident tendency 

 to be disposed in longitudinal rows, and its legs are a shade 

 darker, with their tibise just perceptibly more slender. In its 

 habits, also, it would appear to be less exclusive ; at any rate 

 the few specimens which I have hitherto detected of it were 

 captured (by brushing) in aperto, in the region of El Monte in 

 Grand Canary, whereas the X. latitans I have as yet only ob- 

 served under the dead bark of old Euphorbia-stems. 



4. Xyletinus latitans, n. sp. 



X. rufo-brunneus, crebre et minutissime punctulatus (punctulis oculo 

 valde armato solum observandis) et pube longiuscula suberecta 

 flavo-cinerea tectus ; elytris posterius paulo minus convexis, obso- 

 letissime seriatim subcostaus, ad humeros minus oblique rotundatis ; 

 antennis brevibus, testaceis, articulo basilar! maximo inflato ; pe- 

 dibus ferrugineis, tibiis subgracilibus. 

 Long. Corp. lin. If-lf . 



Habitat in insulis Teueriflfa et Hierro, sub cortice Euphorbiarum 

 arido laxo latitans. 



The distinctions between the present species and the last one, 

 which are very closely allied, have been already pointed out, — 

 the slightly larger size, and most minutely and less deeply punc- 

 tulated surface (even beneath the microscope) of the X. latitans, 

 in conjunction with its less rounded shoulders, rather longer and 

 more coarsely pubescent elytra, shorter and paler antennse (which 

 have their basal joint more swollen), and its somewhat less 

 slender tibiae, being sufficient to characterize it. The few exam- 

 ples which I have as yet taken were captured beneath the loose 

 outer bark of dead Euphorbia-stems, under which circumstances 



