APPENDIX. 15 



line, in its longer and browner pubescence, in its more sharply cut 

 sculpture (in which the prothoracic granules, or minute pustules, 

 are placed rather closer together), in its more elongated and paler 

 antennas, and in the more straightened apex of its elytra. 



Acrotrichis Crotchii. 



A. breviuscula, latiuscula, convexa, castaneo-brunnea, pubescens ; 

 prothorace amplo, basi lato, in disco (oculo fortiter armato) pus- 

 tulis minutissimis (oblique, sed late, subseriatim dispositis) in- 

 structo, necnon inter pustulas alutaceo ; elytris breviusculis, pos- 

 tice valde attenuatis; antennis pedibusque testaceis; illis apice 

 fortius clavatis. Long. corp. lin. vix . 



Trichopteryx Crotchii, Matth., loc. cit. 248 (1865). 

 Habitat in Gomera, a DD. Crotch nuper parce deprehensa. 



Acrotrichis canariensis. 



A. breviter subparallelo-oblonga (saepe etiam postice sublatior),ater- 

 rima, breviter subnigro-pubescens ; prothorace basi vix latiore, 

 angulis posticis vix productis, in disco (oculo fortiter armato) 

 pustulis valde distinctis irregulariter dispositis argute instructo, 

 necnon inter 'pustulas grosse alutaceo; elytris longiusculis, sub- 

 parallelis ; antennis nigro-piceis ; pedibus testaceis. Long. corp. 

 lin. 1. 



Trichopteryx canariensis, Matth., loc. cit. 249 (1864). 

 Habitat Teneriffam et Gomeram, a W. D. Crotch collecta. 



Genus PTINELLA. 

 (Motschulsky) Matth., in Zool xvi. 6106 (1858). 



Ptinella Proteus. 



P. rufo-testacea, profunde punctata, longe pubescens ; capite magno ; 

 prothorace capite latiore, antice dilatato, basi contracto, angulis 

 anticis productis rotundatis, posticis acutis ; elytris oblongis, pro- 

 thorace vix latioribus sed multo profundius punctatis, apice singu- 

 latim rotundatis; abdomine longo, obtuso, segmentis 5 apertis; 

 antennis pedibusque pallidis, parum robustis. Long. corp. lin. 

 vix . 



Variat aptera vel alata, necnon alis oculisque aut nigris aut pallidis. 



Ptinella Proteus, Matth. , in Zool xx. 8262 (1862). 

 Habitat Maderam, sub cortice in inferioribus rarissima. 



Detected by the late Mr. Bewicke in Madeira proper under bark, 

 near Funchal. 



