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



medium valcle sinuato-angustato, angiitis posticis acutis, 

 anticis haud productis, fovea utrinque basali lineari, sat 

 profunda vage punctata; elytris elongato-ovatis, apice 

 distincte sinuatis, sat profunde striatis, interstitio tertio 

 3 — 5 punctato. Long. 16 mm. 



$ . Segmenting ultimum ventrale haud symmetricum ; 

 transverse profunde excavatum, margine apicale elevato 

 insequaliter bisinuato, medio processo subbifido armato. 



2 . Segmentum ultimum ventrale latissimum. 



Under stones on the margins of Junsai and Chiuzenji 

 Lakes. 



Pterostichus spiculifer. 



P. impressicolli (Chaud.) similis. Oblongus subgracilis, 

 paruni convexus, niger, elytris iridescentibus, antennis 

 palpis pedibusque rufo-piceis ; capite quam in P. impres- 

 sicolli post oculos magis tumido, juxta collum subito 

 angustato ; thorace cordato-quadrato, antice valde ro- 

 tundato postice sinuato-angustato, angulis posticis rectis, 

 fere acutis, elevatis, fovea utrinque lineaque dorsali pro- 

 fundissimis ; elytris apice parum sinuatis, profunde 

 striatis, interstitio tertio 4 punctato. 



<? . Segmentum ultimum ventrale fovea lata pro- 

 fundissima irregulari margineque apicali medio spina 

 longa armato. Long. 13 mm., $ , ? . 



Nikko. 



Eesembles closely P. impressicollis, Chaud., of North- 

 ern Italy ; but, besides the difference in the armature of 

 the apical ventral segment of the male, it is distinguished 

 by the long tumour behind the eyes, which is not nar- 

 rowed, except at the neck, and there somewhat abruptly; 

 also by the smaller interstitial punctures of the elytra, 

 and more or less dull pitchy-red colour of legs, palpi, 

 and antennas. 



Pterostichus miri/icus. 



P. truncato similis, paullo gracilior et magis convexus ; 

 niger nitidus, palpis et tarsis runs, antennis piceo-rufis ; 

 capite fere sicut in P. truncato, genis post oculos convexos 

 vix tumidis ; thorace gracilius cordate, post medium 

 magis angustato ; angulis posticis rectis, paullulum ex- 

 stantibus, fovea basali lineari, profunda, laevi ; elytris 

 convexis profunde striatis, interstitiis convexis, tertio 

 4-punctato. 



