664 Goleopterological Notices^ VII. 



hrevirostris^ but differs from the former more especial!}'' in its 

 much less obese form, and from the latter in its much more 

 variegated vestiture ; from both it differs in its rather more sub- 

 tubulate apex of the prothorax and in the indentation of the fifth 

 ventral segment of the female. 



Tychiini. 



TYCHIUS Schonh. 



The minute species constituting subgenus lY, as previously 

 defined b}'^ me, are becoming known in considerable number ; they 

 inhabit the dry and barren regions of the southwestern United 

 States. The three following are to be added to those previously 

 defined (Col. Not. IV, p. 420): 



T. sulcatulus n. sp. — Oblong-oval, moderately convex above, black, the 

 legs feebly picescent, the beak feebly rufo-piceous toward tip; body densely 

 clothed with a crust of large, rounded and concave scales, which are wanting 

 in certain areas on the elytra, especially on intervals two to four, where they 

 are replaced by narrower and rather brownish scales, a small transverse median 

 spot of large scales behind the middle, involving the second interval, excepted ; 

 scales sometimes becoming brownish also at each side of the middle line of 

 the pronotum, more broadly toward base, the elytral intervals also with dis- 

 tant scales which are suberect. Head and beak densely incrusted with whitish 

 scales, glabrous but still somewhat rugose toward tip, rather strongly tapering 

 throughout, the antennae inserted at or beyond the middle. Prothorax twice 

 as wide as the head, % to % wider than long, the sides moderately convergent 

 and arcuate from base to apex, feebly sinuate behind the latter, which is trun- 

 cate and fully % as wide as the base; punctures concealed, dense. Elytra 

 rather short, about }i longer than wide, 23^3 times as long as the prothorax and 

 }4, wider, the sides parallel and nearly straight, broadly rounded behind; 

 humeri distinctly exposed and rounded; striae very coarse, deep and sulciform, 

 strongly punctured, the intervals feebly rugose, alternately narrow and much 

 wider. Legs short and stout, densely squamose, the scales of the femora large 

 and rounded. Length 1.5-1.7 mm. ; width 0.65-0.75 mm. 



Texas (Brownsville — Pt. Isabel). Mr. Wickham. 



A small maritime species, remai-kable in having the elytral 

 striae coarse and deep and alternating in distance asunder. The 

 sexual differences do not seem to be very marked in the large 

 series in my cabinet. It maj^ be placed near simplex. 



T. inerniis n. sp. — Oval, strongly convex, piceous-black, the integu- 

 ments densely clothed with long slender decumbent scales, whitish in color 

 but variegated with large confused areas of darker brown, whitish toward the 

 sides and along the median line of the pronotum, larger, broadly oval and 



