Ptinida of the Canary Islands. 195 



(inter coxas posticas) sat profunde et obtuse arcuato-inciso : 

 abdonmiis segmento penultimo vix brevi. Antennce robustse, 

 filiformes, ad basin fere approximatae, articulo Irno robusto, 

 2do breviusculo, reliqiiis longitudine vix crescentibus (ultimo 

 elongato-fusifornni, ad apioem leviter acuminato). Lnbrum 

 (1 a) subquadratum, apice leviter emarginatum pilosum, 

 angulis anticis paulo rotundatis ciliatis. Mandibulce (1 b) 

 magnee, corneee, validissirrjae, latae, subquadratfje sed apicem 

 versus internum oblique truncatae obtusissimae, extus versus 

 basin parce pilosae. Maxillce (1 c) bilobae, lobis brevibus, 

 valde, dense et longe pilosis ; externo subangusto, leviter in- 

 curvo ; interno paulo breviore, lato : stipite maxillari in pro- 

 cessum externum obtusum (mox infra palporum insertionem) 

 producto. Palpi subclavati ; maxiUares articulo Imo elon- 

 gato angusto valde arcuato, 2do et 3tio crassioribus sub- 

 aequalibus, ultimo longissimo subfusiformi apice leviter acu- 

 minato ; lahiales (1 d) mox pone apicem ligulse inserti, articulo 

 Imo angusto valde arcuato, 2do breviore crassiore, ultimo 

 iTiagno robusto oblongo, ad apicem ipsum plus minus sinuato- 

 inciso. Menlum corneum angustissimum transversum, an- 

 gulis anticis acutiusculis, apice lobo maximo medio mitriformi 

 parce piloso auctum. Ligula elongata, angusta, apice paulo 

 rotundata pilosa. Pedes (prsesertim in maribus) elongati, 

 robusti ; antici fere approximati, intermedli paulo distantiores, 

 jwstici sat (sed baud valde) distantes : femoribus elongatis, 

 subclavatis : tarsis crassiusculis ; anticis articulis 4 basalibus 

 gradatim leviter decrescentibus ; intermediis articulo Imo 

 paulo majore, 3 sequentibus gradatim leviter decrescentibus ; 

 posiicis articulo ] mo elongato (in maribus, 1 e, maximo dila- 

 lato), 3 sequentibus gradatim leviter decrescentibus, ultimo 

 breviusculo. 



Obs. — Genus structura palporum labialium articuli ultimi 

 excavati, mandibulis apice ol)lique truncatis (nee dentatis) 

 obtusissirais, tarsorum posticorum articulo basalari in maribus 

 incrassato, metasterno brevi, scutello obsoleto, prothorace 

 elytrisque ad basin plus minus nodoso-costatis corporeque 

 magno aptero polito plus minus parce piloso et ad humeros 

 setoso. inter Ptinidas adhuc cognitas valde anomalum. 



A KcnTciQ, pulvinus, et ttovq, pes. [Typus — Casapus Bon- 



vouloirii.l 



The singular and gigantic Plinidce to receive whicli the present 



genus is proposed appear to constitute a geograplncal assemblage 



peculiar to the Canarian archipelago. They are perhaps the most 



o 2 



