New Coleoptera from Cincinnati, Ohio. 103 



sides. Elytra two and one-half times as long as prothorax and 

 slightly wider. Margin widely explanate. Humeri very promi- 

 nent. Substriate. Punctures of Elytra dual ; the fine ones 

 bearing the hairs. Sutural stride very deep and punctures fine 

 and feeble. Secondary sexual characters of male, is an im- 

 pressed glabrous space near tip of each elytron, with a small 

 curved carina at middle. The female resembles the male ex- 

 cept these impressed spaces are wanting and the antennal joints 

 are slightly longer. 2 — x 1 — mm. 3 males and 19 fe- 

 males Cincinnati, Ohio. The last joints of maxillary palpi of 

 this species are long and slender and bluntly pointed at tip, 

 differing in this respect from the other two species from here. 



SyMBIOTES WALTON I, n. sp. 



Oblong oval. Color dark brown when mature. Pubescence 

 not very dense, but conspicuous, semireclining and yellow in 

 color. Head finely punctate. Eyes prominent. Antennae 

 eleven-jointed, stout, not reaching hind thoracic angles. First 

 joint thick, longer than wide. Second slightly shorter and 

 much narrower. Third and fourth longer than wide. Fifth, 

 sixth and seventh about as wide as long. Eighth transverse. 

 Ninth and tenth subquadrate. Eleventh longer and rather 

 pointed. Prothorax one-half wider than long, with the arcuate 

 side strongly and widely margined. Disk convex and finely 

 punctate. Base margined and slightly sinuate each side of 

 ■middle. Elytra slightly wider than prothorax, sides sub- 

 parallel, with rows of large, shallow punctures in feeble striae. 

 Subsutural striae punctate, not carinate as in the European 

 sy}iibiotes latiis, its nearest ally. Interspaces more fineh\punc- 

 tured than striae. ]\Iale secondary sexual characters are a 

 rounded, rather flat, tubercle near the tip and close to the 

 suture of each elytron, these tubercles are very densely and 

 finely punctate. The female resembles the male except the 

 elytral tubercles are wanting. Length, 2 — 5 x 1 — mm. 

 Cincinnati, Ohio. Xot abundant. Specimens in U. S. National 

 Museum, Museum of Kenyon College, and my collection, where 

 they may be examined by anyone interested. 



Dedicated to Prof. L. B. \\'alton, who is doing such care- 

 ful work on the Endomvchidae. 



