432 Dr. Leach on the Pselaphidcc. 



Body short, convex. Thorax sculptured with distinct foveolae, 

 (little pit-like excavations). 

 Antennce with their first and second joints thicker than the 

 others ; the third, fourth, fifth, sixth and seventh equal, 

 shorter ; the eighth a very little longer ; the ninth subglo- 

 bose ; the tenth lenticular j the eleventh with its apex rather 

 obtuse. 

 Maxillary palpi with the first joint clavate, with its base very 

 narrow ; the second subglobose ; the third conical. 



REICHENBACHIA JUNCORUM. 



R. rufescente-castanea cinereo pubescens ; antennis pedibusque 

 dilutioribus ; thorace gibbosiuscula ; foveolis lateralibus 

 majoribus ; postica minima. 



Briaxis Juncorum. Leach, Zool. Miscell. iii. 86. 



Habitat in Anglia in Juncis. In Norfolcia, Danmonii et prope 

 Londinum observavi. 



B. reddish inclining to chesnut, covered with cinereous down ; 

 the antennae and the feet paler ; the thorax somewhat gib- 

 bous ; with the lateral foveolae largest ; the hinder one small. 



Inhabits England In Junci. I have observed it in Norfolk, Devon- 

 shire, and near London. 



The following species, described in Riechenbach's Monograph, 

 belong to this genus — Pselaphus impressuSj fossulatus, and 

 heematicus. 



GENUS VIII.— PSELAPHUS. 



PSELAPHUS, Herbst, &c. 



PSELAPHI. Fam. I. Reichenbach. 



Corpus breve, convexum. 



AntenncB articulis primo et secundo elongatis, subcylindraceis ; 

 articuHs tertio, quarto, quiuto, sexto, septimo et octavo sub- 

 globosis, aequalibus ; novo et decimo crassioribus fere £equa- 

 libus subglobosis; undecimo, elongato-ovato aliis crassiore. 

 Palpi maxillares articulo pi imo filiforme apice subabrupte cla- 

 vato ; secundo subgloboso ; tertio filiformi apice gradatim 

 clavato. 



