the Staphylinidse of Japan. 289 



Hoplandna convexa. 



Hoplandria convexa, Weise, Deutsche ent. Zeitschr. xxi. (1877), p. 88. 



Hagi. Described by Herr Weise from a single example ; 

 the genus is doubtful, 



Myrmedonia optata^ n. sp. 



Nitida, capita, thorace, pectore elytrorumque angulis exteruia 

 nigris, pedibus flavis ; an tennis, elytris abdomineque testaceo- 

 ferrugineis, hoc apieem versus piceo-variegato ; prothorace parce 

 profundeque punctato, basi in medio profunde foveolato ; elytris 

 crebrius profunde punctatis. 



Long. 6 millim. 



Antenna long and stout, penultimate joints strongly trans- 

 verse. Head very shining, with a ievv deep punctures. 

 Thorax broader than long, very distinctly punctate. Elytra 

 a little longer than the thorax. Hind body with the terminal 

 segments marked with black ; at the base of each segment a 

 fine punctuation. 



Kashiwagi and Chiuzenji ; two specimens. 



This is closely allied to M. Haworthi, but is much smaller, 

 has the antennae comparatively larger, and the elytra more 

 finely punctate. 



Myrmedonia Haworthi. 

 Aleochara Haxvorthi, Steph. III. Brit. Ent. v. p. 126, pi. xxvi. fig. 3. 

 Hitoyoshi and Kashiwagi ; two examples. 



Myrmedonia fugaXy n. sp. 



Capite cum antennis, elytris, pectore abdomiiiisque apice nigris ; 

 thorace abdomineque Isete rufo-testaceis, pedibus flavis, antennis 

 articulo ultimo testaceo ; thorace transversim subquadrato parce 

 obsoleteque punctato. 



Long. 5 millim. 



Antennas thick, fourth to tenth joints strongly transverse. 

 Head shining black, smooth in the middle, sparingly punc- 

 tate at the sides. Thorax a good deal broader than long, 

 sparingly and subobsoletely punctured, with a basal depres- 

 sion in the middle, very shining, bright yellowish red. 

 Elytra only slightly longer than the thorax, black, shining, 

 rather closely and coarsely punctate. Hind body bright 



