LeConte.] 



BARINI. 303 



1. S. tubulatus. CampylorJiynchus tub. Say, Cure. 20; ed. Lee. i, 

 285; Baridius ovatm Lcc, Pr. Ac. Nat. Sc , Phil., 1868, 363. 



Middle, Southern and Western Stales. Tlie prothorax is deeplj' but not 

 very densely punctured, and the scutellar lobe is iirominent, and subemar- 

 ginate; the dorsal line is faint, or wanting. The elytra are deeply striate, the 

 striae are punctured, and the interspaces are narrow, each with a row of 

 fine but distinct punctures, bearing very short white hairs; beneath coarsely 

 punctured, last ventral segment densely punctured. Length 2.5-3 mm.; 

 .10-. 12 inch. 



There may be some doubt about the reference of Say's name to this 

 species in consequence of the expression, "interstitial lines flattened, and 

 witli a scries of punctures each furnishing a recurved, whitish hair," 

 Avhich would seem referable rather to the genus Zaglyptus (p. 236) of the 

 IthyiJorus group of Cryptorhynchini. In other respects the description so 

 well accords with the present insect, that I prefer suppressing the name pro- 

 posed by me as a synonym, until some other insect occurs better suited to 

 Say's description. In case this should happen the name ovatus can be 

 restored. . 



^ MICROCHOLUS n. g. 



Form of body like Baris, but stouter and more convex, with a few scat- 

 tered white scales. Beak as long as the prothorax, curved, cylindrical, 

 rather stouter towards the base, not striate, scarcely perceptibly trans- 

 versely impressed at base: head broad, convex, eyes widely separated, 

 flat, finelj' granulated, pointed benrath; antennal grooves commencing 

 nearl}' one-third from the tip, narrow, rimning obliquely downwards, 

 almost confluent. Antennaj with seven jointed funicle, first joint as long- 

 as the three following united, slender, slightly clavate in M. striKtus and M- 

 puncticoUix, shorter and stouter in M. Imncollis; second a little longer than 

 third; 3-7 gradually slightly broader; club elongate-oval, pubescent, annu- 

 lated towards the tip. Prothorax strongly narrowed in front, constricted 

 at tip, sides rounded, flanks concave, so as to cause the lateral edge, though 

 not acute, to appear well defined; base truncate; post-ocular lobes wanting: 

 prostcrnuni short, slightly concave, rather narrow between the coxte; mid- 

 dle coxiB moderatel}' widely, hind coxie more widely separated, the latter not 

 reaching the side of the bodr. Scutellum very small. Elytra truncate at 

 bas?, humeral angles rounded, a little narrower than the prothorax, sides 

 rounded and obliquely narrowed behind; p3'gidium entirely covered by 

 the conjointly rounded tips; disc veiy convex, striae sometimes indistinct. 

 Mesosfernum short, ventral segments slightly unequal, sutures scarcely 

 curved. Thighs rather hmg and stout; tibiai rather short, sinuate, feebly 

 mucronate; tarsi with third joint very broadly dilated and bilobed; last 

 joint slender, with very small claws. ^ • .^ , , ■/- • /- y 



Prothorax punctured, constriction near the tip/ . .^. . . ^ '1. striatus. 



Elytra w'rt4i weH-mmked frtrwe. /(<<x<^, . $^A{.a (\ 2. puncticollis. 



Prothorax smooth, constriction^distant from the tip 3. Isevicollis. 



A. 



