288 MANDIBULATA. COLEOPTERA. 



Sp. 19. gracilis. Ater, gracilis, minuiixiime -punctatus, antennin mtdio paUidis, 

 palpis atris. (Long. corp. 1^ lin.) 



Ste. gracilis. Sfeph. Catal. 289. No. 3118. 



Slender, deep hinck, clothed with a short whitish down, and very minutely 

 punctured: head with the front depressed, and having a short longitudinal 

 ridge : thorax slightly globose, elongate, with the sides a little rounded 

 before the middle, the surface equal : elytra slightly depressed, with a faint 

 ridge on each in the middle of the base : abdomen obscure, finely punctured, 

 with the margins of the segments obscurely punctured : legs black ; palpi the 

 same ; antenncs fuscous, with the middle pale. 



Taken near London. 



B. With the abdomen margined ; its apex simple. 



a. With the elytra immaculate. 



1. With the legs pale or pitchy. 



Sp. 20. phseopus. Ater^ nitidiusculus, antennis palpisque, rufescentibus, pedUnis 



fuscis. (Long. corp. 1§ lin.) 

 Ste. phseopus. Kirby MSS.—Steph. Catal. 289. No. 3119. 



Black, punctured, sparingly clothed with extremely short pile, appearing sil- 

 very in certain lights : head wider than the thorax, longitudinally elevated 

 in the middle : thorax rounded, globose, equal ; elytra with an oblong fovea 

 in the middle of the base, and also depressed near the suture : abdomen 

 punctured, with the base of the segments depressed : legs pitchy : antenncs 

 testaceous, but the basal Joint and the club dusky: palpi testaceous at the base. 



Found, but not commonly, within the metropolitan district ; it 

 also occurs in Suffolk and Devonshire. 



Sp. 21. picipes. Ater, subpilosus, antennis rufescentibus, pedibus piceis, elytris 

 thorace subimpresso longioribus. (Long. corp. If lin.) 



Ste. picipes. Kirby MSS.—Steph. Catal. 289. No. 3120. 



Black, slightly shining, finely punctured, and clothed with a fine silvery pile: 

 head wider than the thorax, with a longitudinal ridge in the middle : thorax 

 globose, obcordate, obliquely impressed on each side behind the middle : 

 elytra obsoletely pitted before the middle : abdomen rounded, or subulate- 

 conic : legs pitchy, with the joints dusky : antenna reddish, with the club 

 dusky : palpi red. 



Also found near London and in Suffolk, and near Bristol. 



Sp.22. argyrostoma. Ater, gracilis, punctulatissimus, antennis pedibusque piceis, 



labro testaceo argenteo pubescenti. (Long. corp. 1^ lin.) 

 Ste. argyrostoma. Steph. Catal. 289. No. 3121. 

 Slender, black, thickly and finely punctured, and slightly clothed with a fine 



