144 WILLIAM G. DIETZ, M.D. 



Larger, scales gray, mottled with da,rk along the sntnre. Plate vii, 

 fig. 15 .■ .scalalor. 



Smaller, scales yellowish, white or black. 



Mottled, yellowish, intermixed with white scales, beak stout, 



tapering from the base. Plate vii, fig. 19 lepidus. 



Mottled, a large, quadrate, subbasal spot ou the elytra black, beak 

 more slender, of equal thickness. Plate vii, fig. 16. 



qiiatlrifer. 

 Beak nearly straight; third tarsal joint less broadly bilobed. 



Prothorax strongly rounded on the sides and distinctly constricted at 

 the apex, scales brown, mottled, a common sutural white spot 



about the middle. Plate vii, fig. 17 iiistsibilis. 



Prothorax broadly rounded on the sides, scarcely constricted at the 

 apes, scales grayish white, nubilate with dark brown. 



nubiius. 

 Tarsi stout, fourth joint projecting less than the length of the third. 



posticus. 

 Scales unicolorous, gray or pale ochreous. 



Prothorax not wider than long; elytra not rounded on the sides. 

 Prothorax coarsely punctured ; elytral setce persistent ...........seriaius. 



Prothorax very deusely and finely punctured ; setse easily abraded. 



fratei'ciiltis. 

 Prothorax wider than long; elytra rounded on the sides, legs red. 



laiigiii<Iuliis. 



Scaly vestiture not uniformly dense above, condensed in spots or transverse 



fascia or lines, beak strongly curved. 



Fourth tarsal joint projecting the length of the third ; black, legs rufo-i)iceous. 



Beak strongly curved near the base, prothorax not strongly convex, nearly 



straight on the sides behind the middle fycliioides. 



Beak regularly curved, prothorax strongly convex, strongly rounded on the 



sides from base to apex atratiis. 



Fourth tarsal joint projecting less than the length of third. 

 Larger, legs red ; elytra more or less ferruginous. 

 Prothorax strongly convex, more coarsely punctured, scales yellow. 



congesfus. 



Prothorax less convex, punctures smaller, scales whitish. .sciilptifollis. 



Smaller, entirely black apiouides. 



S. COgnatilS n. sp. — Oblong-oval, subdepressed, dark piceous. deusely clothed 

 with closely adherent oval scales, gray on the underside, dark brown or piceous 

 above, with a broad, irregular vitta of ochreous scales on each elytron. Beak 

 ( % ) rather stout, curved, feebly tapering from base to apex, densely scaly 

 throughout, except the apical extremity, which is feebly shining; basal tufts 

 forming a transverse crest of pale scales, incision deep; scrobes strongly ob- 

 lique. Antennse moderate, inserted two-fifths (% ) from the apex, second joint 

 of funicle one-half longer than the third, outer joints wider, club deusely pu- 

 bescent, except the basal joint. Head opaque, front densely clothed with pale, 

 yellowish scales. Prothorax nearly one-half longer than wide, narrowed in 

 front, rounded ou the sides before the middle, broadly and distinctly constricted 

 at the apex, the latter scarcely three-fourths as wide as the base, feebly rounded 



