TRIBE XXI. CRYPTORHYXCIIIXI. 515 



upon the alternate intervals. Beak slightly longer than thorax, more 

 slender at tip, finely and rather densely punctured. Thorax scarcely 

 wider than long, narrowed in front of base, sides moderately rounded; disc 

 densely and deeply punctured, strongly carinate. Elytra oval, their base 

 as wide as thorax at middle, humeri rounded, sides very feebly curved from 

 base to tips; alternate intervals feebly convex, bearing tufts of erect brist- 

 les. Length 4 5 mm. 



Lake and Posey counties, Incl., rare; April 19 May 20. 

 Various points in New Jersey, April to September. Ranges from 

 New York to Iowa and Kansas, south to District of Columbia. 

 Schwarz (1890, 233) states that it feeds on the leaves of the 

 scarlet oak, Q. coccinca Wang, but is nocturnal, hiding during 

 the day in the ground at the base of the tree, and developing 

 under the bark. 



GROUP III. (OBLONGUS GROUP.) 



This group contains only a single oblong species of medium 

 size, having the anteimal characters as mentioned in key; thorax 

 slightly wider than long, rounded on the sides, narrowed in front, 

 not strongly constricted, disc not carinate, postocular lobes feeble; 

 elytra wider at base than thorax, humeri rounded, not prominent, 

 sides parallel then obliquely rounded to tip ; femora obtusely 

 toothed, the front pair with an additional denticle. 



814 (8799). CRYPTORHYNCHUS OBLONGUS Lee., 1876, 256. 



Elongate-oblong. Black, thickly clothed with brown and gray scales, 

 irregularly intermixed and without accompaning bristles; back of head 

 and three indistinct lines on thorax pale; elytra with some small, scattered 

 blackish spots and an elongate narrow one on fifth interval behind the 

 middle. Beak dark brown, naked, as long as thorax, more slender than 

 usual, nearly straight, finely and rather closely punctate, feebly carinate. 

 Thorax deeply and densely punctured. Elytra one-fourth wider than thorax, 

 strial punctures small, close-set; intervals convex, equal. Under surface 

 coarsely and densely punctured, thinly clothed with large pale scales. 

 Length 6 6.5 mm. 



Dimellen, N. J., rare. Dunediu, Enterprise and Biscayne, 

 Fla., rare; March 31. Ranges from New Jersey south westward 

 to Florida and Texas. 



Subfamily XL THECESTERNIN/E. 



THE BISON SNOUT BEETLES. 



Medium sized, roughly sculptured, snout beetles, having the 

 antenna 1 feebly elbowed, their clubs ringed or annulated ; proster- 

 num excavated beneath; elytra with a strong fold near the outer 



