Pselaphidcs of Japan. 307 



Batrisus acuminatus, n. s. 



Kufus, evidenter sed minus dense pubescens, antennis 

 sat crassis, baud elongatis, palpis articulo ultimo sat 

 elongato ; capite minus brevi, posterius angustato, 

 oculis in medio laterum sitis, post oculos longius seti- 

 gero ; prothorace sat elongato, medio canaliculato, utrin- 

 que breviter carinulata, cannula posterius angulatim 

 elevata, ad latera longitudinaliter impressa ; elytris for- 

 titer punctatis, striola (fere plicula) discoidali abbreviata ; 

 abdomine conico, aeuminato, segmento basali parum 

 elongato, sequentibus duobus vix sequali. Long. 2£ mm. 

 Mas, incog. 



The unique female appears to indicate a species closely 

 allied to B. palpalis, and as of tbat species only the 

 male, and of B. acuminatus only the female, is known, 

 it is probable that the differences are in part sexual ; B. 

 acuminatus is, however, much smaller, has a scantier 

 pubescence, more strongly punctured elytra, and a 

 peculiarly conical hind body. The apical spur of the 

 hind tibise is very elongate, as in B. palpalis, and the 

 curved plica of the basal dorsal plate is very widely 

 removed from the side. The antennae are not so long as 

 head and thorax ; joints 4 and 5 are each about as long 

 as broad, 6—8 very slightly shorter, 9th and 10th rather 

 broader, the latter evidently transverse ; terminal joint 

 stout, obliquely acuminate, not so long as the three 

 preceding together. 



Nagasaki, 28th February, 1881. 



Batrisus vcstitus, n. s. 



Major, robustus, rufescens, densius pubescens, palpis 

 articulo ultimo sat elongato ; protborace medio tenuiter 

 canaliculato, lateribus longitudinaliter impressis ; elytris 

 humeris baud denticulatis, striola discoidali abbreviata, 

 basi tantum quadrifoveolato ; abdomine segmento basali 

 sequentibus duobus asquali ; tibiis posticis calcari apicali 

 minus elongato. Long. 3 mm. 



Mas, antennis articulo basali crasso, facie anteriore 

 subproducto, capite supra antennas crasse elevato, inter 

 eas anterius depresso, clypeo verticali, carina elongata, 

 transversa, sinuata munito, in medio altiore ; tibiis 

 anterioribus intus in medio denticulatis, abdomine seg- 



