250 Mr. T. V. Wollaston on certain Coleoptera 



though more particularly perhaps in the relative breadth and 

 compactness, inter se, of their antennal joints. The P. angusta is 

 just perceptibly narrower and more parallel than its Canarian 

 representative; its clypeus is a trifle more prominent* imme- 

 diately in front of either eye ; its prothorax is not quite so convex 

 or shining, rather more densely punctured on its disk, and has 

 its sides somewhat straighter behind; its elytra are less rugulose 

 and more obscurely striated ; and its antennae are not quite so 

 thick, the subapical joints being rather less transverse. It is, 

 however, so nearly related to the P.fossoria, that I should have 

 regarded the two insects as mere geographical phases of each 

 other, were not some of the distinctions, though small, purely 

 structural ones. A single specimen of the P. angusta was cap- 

 tured by the Rev. Hamlet Clark at St. Vincent, during his day's 

 sojourn there with Mr. Gray, in December 1856. 



to point out the exact characters in which they differ from their Cape de 

 Verde ally : — 



Pseudostene suhclavata, n. sp. 



P. linearis, picea; capite dense ruguloso, clypeo ferrugineo, mox ante 

 oculos rotundato ; prothorace nitidissirao, profunde et confertim punc- 

 tate, ad latera vix magis rotundato ; elytris ad latera parallelis, leviter 

 transversim rugulosis, sat distincte punctulato-striatis, interstitiis punc- 

 tulatis ; pedibus robustis, piceo-ferrugineis ; antennis pallido-ferrugineis, 

 distinctius clavatis, articulis subapicalibus paulo minus laxis (i. e. inter 

 se arctius compressis). 

 Long. corp. lin. If. 

 Habitat in ^gypto, a Dom. Melly olim reperta. 



The present Pseudostene (if I may judge from a single example) is per- 

 haps a trifle larger and broader than the Canarian one (and therefore, b. 

 fortiori, than the Cape de Verde P. angusta), its prothorax is just percep- 

 tibly more coarsely punctured and less straightened posteriorly, its legs 

 are perhaps a little more robust, and its antennae are somewhat more cla- 

 vate, their subapical joints being a httle thicker, less transverse, and not 

 so evidently ^er/bZia^e(^ (i. e. more compressed inter se). 



Pseudostene fossoria, n. sp. 



P. lineari-angustula, picea ; capite dense ruguloso, clypeo ferrugineo, mox 

 ante oculos rotundato ; prothorace convexo, nitidissimo, profunde et sat 

 confertim punctato, lateribus oblique subrotundatis ; elytris ad latera 

 parallelis, leviter transversim rugulosis, sat distincte punctulato-striatis, 

 interstitiis minute punctulatis ; jjedibus piceo-ferrugineis ; antennis pal- 

 lido-ferrugineis, crassiusculis, articulis subapicalibus paulo magis per- 

 foliatis transversis. 



Long. Corp. lin. If-vix If. 



Habitat in saUnis et per oram maritimam arenosam ins. Lanzarotae Cana- 

 riensis, mense Martio A. d. 1859 a meipso capta. 



* This is very perceptible when the two insects are placed together 

 under the microscope. 



