lo Natural History Bulletin. 



ually shortened and thinner; the ninth is as thick as the 

 second, somewhat transverse; the tenth large, globular; the 

 last oblong-ovate, much thicker in the 3, and with a small 

 tooth inside. Legs long, the intermediate femora in the 

 $ provided with an acute curved spine below, near the tro- 

 chanter. In the ? the last two joints of the antenna are not 

 so strong, the last without a tooth, and the legs are unarmed. 

 Habitat. Georgia. 



B. ARMiGER, Leconte. Reddish brown, thinly pubescent. 

 Length, 2.4 mm. 



Head, eyes included, about as wide as long, quadrate; 

 tempora acutely angled with the base; frontal tubercles 

 obliqiiel}'- oblong, rounded, the space between them strongly 

 concave; occiput elevated, slightly produced over the neck, 

 tricristate; the carinas convergent to the middle; yertex 

 broadly elevated, obsoletely scabrous; the circumambient 

 sulcus broad, not deep, lost in the frontal concavit}^; foveae 

 rather large and shallow, pubescent. Eyes moderately large, 

 AntenncB half the entire length of the body: first joint oblong 

 obconical; the second slightly longer and narrower than the 

 first; the last slightly wider, and as long as the five preceding 

 together, (3) truncate at the base, slighth' tumid on the inner 

 side; apex obliquely pointed. Prothorax as wide as long, 

 widest before the middle, of the same width as the head 

 including the eyes, and minutely dentate before the middle. 

 The longitudinal grooves are very deep and nearly entire; 

 basal tubercles acute; carinas with three curved spines. 

 Elytra impunctate, slightly wider than long; shoulders not 

 spinous, rounded; discal striae abbreviated at the middle, base 

 trifoveate. Abdomen simple, the marginal triangle rather 

 elongate, sides nearly parallel. Legs long, thighs clavate, 

 tibiae angulate. 5, anterior tibi« in front twisted, dilated 

 about the middle into a large acute spine, twisted near the 

 base, with a minute spine; intermediate thighs emarginate 

 near the distal end. ?, legs simple. 



Habitat. Allegheny mountains. Pennsylvania. 



