Genera Bi/thinus and Areopagus. 44? 



Habitat in NorfolciS, anctoritate Domini J. Curtis ; apud Bexley 



prope Londinum ^ observa\it Dominus G. Samouelle. 

 Mus. nostr. in Mus. Brit. (^ et $ . 

 B. dark-bay or fuscous-bay ; the mouth, antennae, and the feet 

 red-chesnut; the thorax wider than the head; the elytra 

 punctured. 

 This species was first discovered in Norfolk by Mr. J. Curtis, 

 and at Bexley near London by Mr. G. Samouelle. Both sexes 

 are in my collection in the British Museum. 



GENUS III. ARCOPAGUS. 



PSELAPIII. Fam. II. Reichenbach. 

 Corpus breve, convexum. 



Antenna articulo prime et secundo aliis crassioribus ; articulo 

 primo elongato; secundo subgloboso primo tenuiore; arti- 

 culis tertio, quarto, quinto, sexto, septimo et octavo aequali- 

 bus, subglobosis ; nono crassiore, lenticulari-subgloboso ; de- 

 cimo lenticulari-subgloboso praecedente majori ; undecimo 

 aliis crassiore, ovato, apice acuminato. 



Palpi maxillares articulo primo filiformi, apice gradatim cla- 

 vato ; secundo elongato-ovato ; tertio ovato-scutiformi basi 

 angustissimo. 

 Body short, convex. 



Antennw with the first and second joints thicker than the 

 others ; first one elongate ; the second subglobose, narrower 

 than the first ; the third, fourth, fifth, sixth, seventh, and 

 the eighth equal, subglobose ; the ninth thicker, lenticular, 

 inclining slightly to globose ; the tenth lenticular, inclining 

 slightly to globose, larger than the preceding one ; the 

 eleventh thicker than the others, ovate, acuminated at its 

 extremity. 



MaxiUarif palpi with the first joint filiform, its extremity 

 gradually clavate ; the third ovate-scutiform with its base 

 very narrow. 



