Horn.] 



CYPIIINI. 87 



densely scaly, scales with pearly lustre. Legs with cinereous scales, in- 

 distinctly annulate with darker; tibiae slightly hairy within. Length 

 .16-. 20 inch. 4-5 mm. 

 This species occurs rather abundantly from New York to Texas. 



P. cinereus, n. sp. 



This species resembles the preceding in form and color. It is, however, 

 generally smaller, paler in color and differs especially in the following 

 manner : 



Rostrum distinctly emarginate at tip and with narrow crescentic smooth 

 space. Thorax cylindrical, dilated at middle, on both sides of which it is 

 equally cylindrically constricted. Body beneath sparsely covered with 

 paler scales, without lustre. Length .14-. 18 inch ; 3.5-4.5 mm. 



Occurs rather abundantly in Texas. 



The sexual differences are not well marked. The anterior coxae appear 

 to be more widely distant in the male than in the female, and in the second 

 species the same coxae are more distant sex by sex than in the preceding. 



Tribe II. CYPHlJTI. 



Rostrum robust, deeply emarginate at tip and sides. Scrobes variable. 

 Antennae moderate, second joint of funicle longer than the first, rarely 

 (Aphrastus) equal to it. Thorax without ocular lobes or fimbrise. Claws 

 free except in Aphrastu*. Articular surface of hind tibiae internal and 

 cavernous except in Aphrastus, usually glabrous, rarely scaly. Elytra with 

 the outer stria confluent with the next inner at one-third from the base. 

 Metasternum moderately long. 



The rostrum is always acutely emarginate in front and at the sides, and in 

 all our genera there is a fine median groove. The supports of the decidu- 

 ous pieces are usually very prominent, and the deciduous pieces are (as far 

 as seen) elongate, glabrous, falciform and acute at tip. 



The following groups may be recognized : 

 Claws free ; articular surfaces of hind tibiae cavernous. 



Elytra wider at base than the thorax, humeri prominent.... t'yphi. 



Elytra oval, not wider at base than the thorax, humeri 



rounded Artipi. 



Claws connate ; articular surfaces of hind tibiae not cavernous. 



Elytra oval, humeri rounded, body apterous Apbrasti. 



Group I. Cypni. 



Humeri prominent, elytra wider at base, wider than the thorax. Scutel- 

 lum distinct. Body winged. 



Our genera are few in number and may be distinguished as follows : 

 Articular surface of hind tibine scaly. Scape pass- 

 ing the eyes COMPSUS. 



Articular surface of hind tibiae glabrous. Scape 

 not passing the eyes. 



