Geodephagous Coleoptera of Japan. 267 



Trechus vicarius. 



T. suturali (Putz.) simillimus, differt oculis minus 

 prorninentibus tubereque oculari post oculum longiori et 

 minus abrupte angustato. Breviter ovatus, elytris quam 

 in T. suturali paullo brevius et latius rotundatis ; cas- 

 taneo-fuscus, antennis palpis pedibusque testaceo-rufis, 

 elytris sutura et margine anguste rufis ; tborace sicut in 

 T. suturali transverse-, late-cordato, angulis posticis fere 

 rectis sed margine ante angulos nullo modo sinuatis ; 

 elytris, striis 4 — 5 distincte impressis et punctulatis 

 cseteris obsoletis, interstitio tertio punctis magnis tribus 

 (prima in stria quarta). Long. 3^ mm. 



Ontake. 



Closely resembles T. suturalis, Putz., from the Pyre- 

 nees. In colour the two are the same, except that in 

 T. vicarius the external margins, as well as the suture, 

 are reddish. There are, however, minute but decided 

 structural differences, the chief of which is the longer 

 tumid orbit of the eye, together with the much less 

 convex eye itself. The elytral striae are also fainter, 

 and some of them more abbreviated towards the apex. 



Tachyta nana, Gyllenhal. 



Gyllenhal, Ins. Suec, ii., p. 30 ; Schaum, Ins. 

 Deutschl. I., i., p. 747. 



In all the islands ; commonest under beech-bark, but 

 found sometimes under fir. 



A generally-distributed insect throughout the north- 

 temperate zone ; in America it extends into the tropics 

 as far as Guatemala. 



Tachys scydmcenoides, Nietner. 



Nietner, Ann. Nat. Hist., xii., 1858, p. 427. 



Examples taken by Mr. Lewis at Hakodate do not 

 differ from Chinese specimens from Kiu-Kiang and Foo- 

 chow, which agree with Mr. Nietner's description of the 

 species from Ceylon. 



