210 ACADEMY OF NATURAL SCIENCES 



5. C. FEMORATUS. — Black ; labrum wliite ; thorax with three 

 rufous spots; elytra with a whitish, basal edge. 



Inhabits Arkansa. 



Body black, punctured : antennas pale rufous at base : eyes 

 approaching above : labrum white : thorax with a dilated, longi- 

 tudinal, red spot on the lateral margin, and a line in the middle 

 much dilated on the basal margin and edge ; elytra, punctures 

 irregularly disposed, and approximate at base, becoming in regu- 

 lar series towards the tip ; basal edge white : anterior thighs more 

 robust than the others. 



Size of the preceding. 



The form of this species is very like that of punctipes. Yaries 

 in having the thorax entirely red, slightly shaded with black ; 

 with a few small whitish points on the posterior part of the ely- 

 tra, and obsolete white spots on the anterior femora. 



[Belongs to Fachyhrachys, and is the same with C. luridua 

 Fabr. — Lec] 



6. C. RECURVUS. — Black ; margins of the thorax and elytra 

 yellowish. 



Inhabits the United States. 



Body black : head impuncturcd : labrum dark pieeous : thorax 

 yellowish-rufous, impunctured ; a large, dorsal, black spot which 

 attains the posterior but not the anterior edge ; a small round dot 

 each side sometimes obsolete or wanting : elytra with [440] punc- 

 tured striae ; exterior and terminal margins yellow ; edge black : 

 beneath all black. 



Length about one-ninth of an inch. 



A pretty little species, and bears some resemblance to Chryso- 

 viela marginella of Donovan, and as in that species, the yellow of 

 the terminal margin is recurved for a short distance upon the 

 sutural margin. It is probably allied to the C. Uturatus Fab. 



[This is a variety of C. UfuraHis Fab. — Lec] 



7. C. CONFLUENTUS. — [Ante 1, 64.] 



8. C. BiviTTATUS.— [Ante 1, 65.] [441] 



9. C. 4-MACULATUS. — Black ; elytra with a large red spot on 

 the humeral base, and an orbicular terminal one. 



Inhabits the United States. 



Cryptocephalus A-maculatus Knoch in 3Ielsh. Catal. 



[Vol. III. 



