APPENDIX. 55 



nated keel in the centre of their prothorax behind, which does not 

 appear to exist in the opposite sex*. 



The discovery of the L. buccatrix is due to Messrs. Crotch, who 

 captured a few specimens of it at a very high altitude in Gomera 

 during their late Canarian campaign, " by beating Sedum on Monte 

 Fuerte," one of the loftiest mountains above Hermigua. 



b. Funiculi articulo secundo primo multo longiore. 

 (Subgenus Amyntas, Woll.). 



Lichenophagus incomptus, n. sp. 



L. brunneus, concolor (nee tessellatus), vix squamulosus sed setulis 

 sive pilis brevibus omnino demissis nigrescentibus sat dense vesti- 

 tus ; rostro longiusculo, subparallelo, apicein versus late concavo, 

 postice argute canaliculate, oculis leviter prominulis ; prothorace 

 ad latera Eequaliter rotundato, dense, profunde ct regulariter punc- 

 tato ; elytris oblongis, profunde punctato-striatis ; antennis elon- 

 gatis, rufo-ferrugineis ; pedibus paulo dilutioribus. Long. corp. 

 lin. 3|. 



o 



Habitat insulas Canarienses (mihi non obvius), a cl. de Marseul com- 

 municatus. 



The single example from which the above diagnosis is compiled 

 has been communicated by M. de Marseul as undoubtedly Canarian, 

 though without any note as to the island in which it was taken ; and 

 although it recedes from the other Lwhenophagi in two or three 

 important particulars, yet its general aspect and affinities incline 

 me to believe that it may truly have come from the Canaries. Never- 

 theless I need scarcely add that until further material has been 

 obtained, I cannot regard this point as by any means satisfactorily 

 established. 



Judging from the specimen now before me, the L. incomptus is 

 larger than any of the Lichenopliagi hitherto detected (even than the 

 L. buccatrix), its rostrum is a little less abbreviated and more par- 

 allel, and the second joint of its funiculus is considerably longer (being 

 half as long again as the first). And it also differs (unless indeed 

 this example is either imperfect or immature) in being concolorous 

 throughout, or completely untessellated, indeed apparentlyfree from 



* The fact of this minute, abbreviated, obtuse, central prothoracic keel (or 

 node) being a sexual character in the L. buccatrix may well raise the inquiry 

 whether it is not sexual in the auctus likewise : but if sitch be the case, it would 

 follow that I have not yet seen the male of that species ; for all the examples 

 wiiich I have hitherto taken possess it. 



