THE SHOltT-WlNGED SCAVENOKK BEETLES. 443 



KEY TO GENEBA OF TEICHOPYINI. 



a. Body broad, narrowed behind, clothed with long, sparse, bristly hairs ; 

 thorax narrowed in front, not impressed. LXI. Trichopsenius. 



aa. Body narrower ; thorax not narrowed In front, with an apical impres- 

 sion, the bottom of which is membranous. Xenisti'sa. 



LXI. Trichopsextts Horn. I.s77. (Th-., ''little hair + like.") 



Represented in southern Indiana anrl southward hy one small 

 form having the tibiie distinctly spinnlose. middle coxie coiitiguoiis; 

 abdomen and elytra not margined. 



S4S (2602). TsicHOPSENirs dei'bessus Horn, Trans. Amer. Ent. Soc, VI, 

 1877, 88. 

 Oblong, depressed. Brownish-yellow, glabrous, very shining and with- 

 out punctures. Thorax nearly twice as wide as long, sides slightly curved, 

 base truncate, hind angles acute. Eljiira each quadrate, as long as broad, 

 together not wider and a little shorter than thorax, and with three trans- 

 verse rows of erect yellowish hairs. Abdomen conical and bearing numerous 

 sparse, erect hairs. Length 1.2 mm. 



Crawford County, ilay 15. Four or five specimens were taken 

 in the nests of Termes flavipes KoU., beneath flat stones near the 

 mouth of Wyandotte Cave. 



Tribe III. TACHTPORINI. 

 Rather short, broad species, with a conical abdomen, which is 

 never turned upward when disturbed, aa is the habit of most other 

 Staphylinids. They occur in fungi, dung and other decaying matter. 



KEY TO INDIA XA GEXEBA OF TACHYPOKINI. 



(I. Abdomen with a narrow margin; tibiae with a fringe of uneven spinules 

 at tip. 

 1). Jlesostemum not carinate. 



c. Maxillary palpi filiform; body oblong, somewhat depressed, mod- 

 erately tapering; length 3-6 mm. LXII. TACHI^■us. 

 ec. Maxillary palpi awl-shaped; body short, convex, abruptly tapering; 

 length less than 3 mm. LXIII. Tachypori s. 

 hb. Mesostemum carinate; maxillary palpi filiform; front tarsi of male 

 simple. 

 (1. Elytra not extended at sides below the body. Cilea. 

 (Id. Elytra projected at the sides below the body. I>XIV. Erchomus. 

 (Id. Abdomen not margined: surface finely pubescent; tibiae with a fringe 

 of equal spines at tip. LXV. Conosoma. 



LXII. TACTTixt'R Grav. 1802, (Gr., "swift") 



A large genus, the species of which are very difficult to separate, 

 unless both sexes are present. The males have the front tarsi always 

 dilated and the last or sl-'^'enth ventral segment deeply divided, form- 



