168 GEO. H. HORN, M. D. 



ently constricted at apex, bat actually with a small teriuinal, articu- 

 lated joint. Eyes oval, prominent, narrower above. Thorax trans- 

 verse, narrowed in front, base arcuate, apex feebly emarginate. 

 Elytra a little wider at base than the thorax, oval, widest at middle, 

 surface regularly punctato-striate. Prosternum rather widely sepa- 

 rating the coxfe, as elevated as they, dilated at apex, and with the 

 epimera closing the cavities behind. Mesosternum narrowly visible, 

 vertical in front ; ventral segments free, the first as long as the next 

 three, these nearly equal, fifth nearly as long as the preceding two. 

 Legs rather short and robust, posterior femora moderately inflated. 

 Tibipe gradually broader to apex, each with a short terminal spur, 

 anterior tibia not sinuate near apex, middle and posterior tibia with 

 a distinct sinuation bordered with short ciliae, limited above by a 

 distinct angulation, the posterior deeply grooved on posterior edge at 

 apex ; tarsi stout, first joint broadly triangular, second narrower, 

 third broadly bilobed, fourth slender, terminated by bifid claws. 

 Form robust, glabrous, winged (PI. vii, fig. 18). 



The various opinions which have been emitted regarding the posi- 

 tion of Blepharida have been dwelt upon in considerable detail by 

 Chapuis (Genera xi, p. 33), and need not be repeated here. 



Several points in the organization seem to have been passed over. 

 The antennre are really 12-jointed (PI. vii, fig. 18), the terminal piece 

 of the eleventh joint being distinctly articulated and movable. All 

 the tibite have a distinct terminal spur, and, in such a large insect, 

 it is remarkable that this should have been passed over. 



The male has the first joint of the anterior and middle tarsi more 

 widely dilated than the female. The last ventral segment is sinuate 

 each side, the median lobe transversely impressed near the margin. 



But one species is known in our fauna. 



B. rhois Forst — Form short, robust oval, convex, beneath rufotestaceous, 

 above yellowish testaceous, elytra irregularly variegated with rufocastaneous. 

 Antenuse with four basal joints rufotestaceous, the outer joints piceous or nearly 

 black. Head entirely yellow, sparsely coarsely punctate on the vertex. Thorax 

 more than twice as wide as long, narrowed in front, sides regularly arcuate, an 

 terior angles prominent anteriorly, hind angles obtuse, lateral margin thickened, 

 limited within by a row of punctures, disc convex, sparsely finely punctured, a 

 few coarse punctures at the middle of the declivity. Elytra scarcely wider at 

 base than the thorax, humeri broadly rounded, sutural angle rather obtuse, disc 

 convex, with nine feebly impressed striae ; striae with coarse, deep, but not closely 

 placed punctures, an extremely fine puncture between the larger ones, intervals 

 broad, scarcely convex. Abdomen finely punctate and pubescent. Legs rufo- 

 testaceous. Length .20 — .26 inch ; 5 — 6.5 mm. 



