608 TRANSACTIONS OF THE 



28. E. CHORis. — Thorax rugulous, black, witli yellow hairs; 

 elytra yellowish, bifasciate with black. 



Inhabits Indiana. 



Body black : antennae piceous, dull yellowish at base : thorax 

 longitudinally rugulous, black, with numerous, golden, prostrate 

 hairs ; posterior angles acute, but not much elongated ; carinated 

 line prominent, elongated, arcuated : elytra pale yellowish, with 

 a black spot at base, an angulated band on the middle, inter- 

 rupted into a spot towards the suture, and another black angu- 

 lated band, dilated near the suture, which it does not reach, but 

 passes abruptly backwards towards the tip ; striae as broad as the 

 interstitial lines } beneath tinged with piceous : feet pale yellow- 

 ish. 



Length one-fifth of an inch. 



I took three individuals. 



[A species of Cryptohypnus. — Lec.]] 



29. E. DORSALis nob. Jour. Acad. Nat. Sci. — This name was 

 given by [173] Paykull to an insect which proved to be the 

 marginatus Fabr. But if it be determined, nevertheless, that the 

 present name be changed, that of mcllillus may be substituted. 

 It is found in Indiana, and I obtained a specimen at New Or- 

 leans. Ante, 108.] 



30. E. PECTORALis. — Yellowish; thorax rounded; head and 

 elytral band black. 



Inhabits Missouri. 



Body yellowish, with a slight rufous tinge ; punctures hardly 

 perceptible: head blackish-piceous: clypeus very obtusely rounded 

 at tip to the eyes : antennae and palpi pale yellow : thorax with 

 the lateral edge much and regularly arcuated to the origin of the 

 spines, where it becomes a little excurved ; spines short, acute, 

 carinated : scutel suborbicular : elytra with obsolete striae ; a 

 transverse black band behind the middle running down the su- 

 ture and exterior margin ; pectus with the middle segment di- 

 lated. 



Length less than one-tenth of an inch. 



Resembles arcolatus nob., but is much smaller, the thorax more 

 rounded, the spines smaller, the middle segment of the pectus is 



[Vol. VI. 



