408 [June 



tion at tip very obvious; terguni with the posterior margins of the seg- 

 ments dull reddish-brown ; feet reddish-brown or honey-yellow. 



Length about one-tenth of an inch. 



Distinguished from the two preceding species, A. pi-opera and .4. 

 semicarinata, by the simplicity of the thorax and the margined seg- 

 ments of the tergum. — Say. 



37. Homalota 1 minima, Say. 



Aleochara minima, Say, Trans. Am. Phil. Soc. vi, N. S. p. 156. 

 Homalota minima, Lee. Say's Writings, ii, p. 589. 

 Black; elytra and feet dull yellowish. 

 Ilab. — Indiana. 



Body black, with numerous prostrate hairs: antennse towards the 

 base with a very slight tinge of piceous: elytra dull yellowish : tergum 

 dirty yellowish at tip : feet whitish-yellow, dull. 

 Length nearly one-tenth of an inch. 

 Var. a. Thorax near the color of the elytra. — Say. 



38. Homalota 1 ? 4-punctata, Say. 



Aleochara A-punctata, Say, Trans. Am. Phil. Soc. iv, p. 470. Lee. Say's 

 Writings, ii, p. 586. 



Thorax rufous, with four punctures placed transversely. 



Ilab. — Missouri and Indiana. 



Head piceous-black, with one puncture on the inner orbit, and three 

 or four behind the eye; antennae reddish-brown, three basal joints ho- 

 ney-yellow ; palpi piceous ; thorax honey-yellow, with four distant 

 punctures before the middle, placed in a transverse line, the lateral ones 

 distinct; elytra dull honey-yellow, with minute punctures, having pros- 

 trate hairs; tergum piceous, paler towards the tip; beneath dark pice- 

 ous; feet yellowish. 



Length over one-tenth of an inch. 



The four punctures of the thorax is an obvious character. — Say. 



39. Homalota ? semicarinata, Say. 



Aleochara semicarinata, Say, Trans. Am. Phil. Soc. iv, p. 470; vi, p. 155, note. 

 Lee. Say's Writings, ii, p. 587. 



Blackish ; thorax with a carina on the basal half. 



Ilab. — Missouri. 



Body black, with a piceous tinge; thorax with an elevated line or 

 two parallel impressed striae, from the middle to the base; elytra with 

 a slightly impressed sutural groove on the basal half; abdomen black ; 

 feet pale piceous. 



Length less than one-tenth of an inch. 



Resembles A. proper a, but may be distinguished by the double tho- 

 racic groove, forming an inclined carina. — Say. 



