Geodephagous Coleoptera of Japan. 289 



nato (angulo exteriori longiori) ; posticis utrinque sul- 

 catis ; mesothoracis episternis moclice elongatis, latis. 

 Long. 11£ mm., ? . 



Yuyama ; two examples. 



Unlike any other Colpodes known to me, and difficult 

 to place in any of Chaudoir's sections. The length of 

 the metathoracic episterna approaches that of the 

 species of his third chief section, but they are much 

 broader than in the numerous American species. 



Colpodes Pryeri. 



C. splendenti et C. amceno proxime affinis ; aliter colo- 

 ratus, subtus antennis pedibusque piceis, supra olivaceo- 

 seneus politus, femoribus et palpis castaneo-rufis ; tarsis 

 omnibus supra bicarinatis, elytris apice suturali dentatis. 

 Long, 12^ mm. 



Oyama (Mr. Pryer). 



The elytra are more brilliantly brassy olivaceous than 

 the head and thorax, and the under side is pitchy black, 

 instead of red as in C. splendens and C. amcenus ; the 

 sides of the thorax are less explanated and scarcely 

 reddish. 



Diplous depressus. 



Patrobus depressus, Dejean, Sp. Gen. Col., v., p. 705 ; 

 Chaudoir, Essai Monogr. s. 1. groupe des Pogo- 

 nides, p. 33. 



Kashiwagi, river-bed on road to Shingu. 



Mr. Lewis' specimens do not differ from others with 

 which I have compared them from East Siberia. 



Penetretus ambiguus. 



Deltomero tatrico similis, paullo robustior ; elongatus, 

 subgracilis, nigro-piceus, glaber, subtus rufo-piceus, 

 partibus oris, antennis pedibusque rufis ; capite fere laevi, 

 longe post oculos constricto ; thorace fere sicut in 

 P. rufipenni cordato, antice minus rotund ato, basi parce 

 punctato ; elytris elongato-ovatis, versus basin gradatim 

 angustatis, striatis, striis indistincte punctulatis ; tarsis 

 supra glabris. Long. 9 — 10 mm. 



Summit of Ontake, July 29th, 1881. 



