222 Mr. H. W. Bates' supplement to the 



Distinguished from all Leisti known to me, except the 

 two following, by the form of the thorax, the lateral 

 margin not straightening to form the usual rectangular 

 hind angles. This form of thorax appears to occur also in 

 L. caucasicus, a species which I have not seen. C. rotundi- 

 collis, Motsch., may possibly be similar, but the author 

 does not describe the hind angles. 



Leistus obtusicollis. 



L. prolongate proxime affinis sed minus elongatus ; 

 L. piceo similis et differt precipue statura majori tho- 

 racisque angulis posticis obtusis. Piceo-niger, partibus 

 oris (palpis totis) antennis (scapo solum infuscato) tibiis 

 et tarsis testaceo-fulvis ; capite supra convexo, collo con- 

 stricto, mandibulis longe ultra labrum prolongatis ; 

 thorace fere sicut in L. piceo, subovato, postice subrecte 

 usque ad angulos obtusos angustato, marginibus anticis 

 et posticis ruguloso-punctatis ; elytris modice convexis, 

 elongato-ovatis, antice angustatis, ad basin angustissimis, 

 punctato-striatis, interstitiis sat convexis ; sternis abdo- 

 minisque basi utrinque grosse punctatis. Long. 9^ mm., 

 <?, ?. 



Hakone, in May; in moss on the trunks of Cryptomeria 

 at Gongensama Temple. 



Besides the rather smaller size and the more widely 

 spread punctuation of the thorax, this species differs 

 from C. prolongatus in the decidedly shorter and relatively 

 broader and less parallel-sided elytra. In L. obtusi- 

 collis the elytra have rounded sides, and are narrowed 

 from behind the middle to the base ; elytral shoulders 

 there are none, though the very oblique basal plica 

 joins the margin at a distinct angle. 



Leistus subceneus. 



L. prolongate et L. obtusicolli affinis, sed elytris bre- 

 vioribus et latius ovatis ; niger supra obscure olivaceo- 

 seneus nitidus, antennis (articulis 1 — 4 jdIus minusve 

 infuscatis) partibusque oris fulvo-testaceis, tibiis et 

 tarsis rufo-piceis ; capite et thorace sicut in C. obtusicolli, 

 sed hoc antice et postice obsolete punctato, postice usque 

 ad angulos subrecte angustato, angulis pedunculo arete 

 adha3rentibus obtusis ; elytris brevius ovatis, paullo ante 



