20 GEO. H. HORN, M. T>. 



A. COnsors, n. sp.— (PI. I, fig. 30.) Form moderately robust, surface 

 aeneous, and with very sparsely placed erect brownish hairs. Head coarsely 

 and densely punctured, front impressed, vertex with distinct carina. Thorax 

 twice as wide as long, unioolored, a|)ex and base truncate, sides arcuate broadest 

 at middle, margin moderstte. slightly reflexed, <listinctly visible from above; 

 disc with distinct median triangular impression and with a moderate oblique 

 impression terminating in a fovea on each side of middle; surface shining, 

 moderately densely but not very coarsely j)unctured, equally over the entire 

 surface. Elytra as wide at base as thorax, umbone feebly prominent, sides 

 feebly converging from base, more rapiiUy at apical third and rather strongly 

 serrate; disc slightly convex, strise rather deep over the entire surface and 

 ■with coarse deeply impressed punctures, intervals narrow, convex, and with a 

 single series of fine punctures; surface ornamented with yellow forming very 

 irregular tiansverse bands. Body beneath dark bronze very sparse! v punctate. 

 Prosternuih as in pulchella. Abdomen sparsely punctate, last ventral with very 

 short subapical carina. Length ..30 inch; 7.5 mm. 



One specimen Texas, easily known iVom any in the oroup from the 

 fact that the sculpture of the thorax ahove is rather that of the pre- 

 ceding group. 



A. Silbbalteata, Lee— (PI. I, fig. 31.) Form moderately robust, feebly 

 depressed, color blackish subopaque, thorax with feeble bronze lustre, surface 

 ■witji sparsely placed short semi-erect grey hairs, elytra with subbasal and 

 juedi.in band and two spots posteriorly. Head coarsely and densely jjunctured, 

 front convex vertex not carinate. Thorax unicolored, twice as wide as long, 

 convex, ajiex and base truncate, sides moderately hrcuate, margin narrow not 

 visible from above, inferior posteriorly; disc convex median line feebly im- 

 pres-sed terminating m a small fovea at base, on each side a feeble oblique 

 imjiression terminating in a shallow fovea; surface coarsely and densely punc- 

 tured at middle, more densely at sides. Elytra as wide at base as the thorax, 

 umbiine very feeble, sides gradually narrowing to apex and finely serrate; disc 

 feebly convex and with sti ise of very coarse and deep but distinct punctures, 

 intervals very narrow and with distant finer punctures; surface pitchy black 

 with feeble trace of lustre and marked with two yellow bands, the first sub- 

 basal, the second median posterior to which are two irregular spots. Body 

 beneath dark bronze subopaque. Prosternum as in p/</cAe//a. Abdomen finely 

 alutaceous, coarsely and moderately densely punctured, last ventral with dis- 

 tinct subapical transverse carina. Length .24 inch ; G mm. 



A very distinct little species of the form of culta. 



One specimen, Peninsula of California. 



A. texana, Lee— (Pi. I, fig. 32.) Form cylindrical, slightly depressed, color 

 piceous, surface feebly bronzed and sparsely clothed with erect black hairs. 

 Head densely punctate, front convex vert.x slightly carinate. Thorax uni- 

 colored. very nearly twice as wide as long. a])ex very little narrower than base, 

 truncate, slightly prolonged over the head at middle, sides moderately arcuate 

 in (rout, feebly sinuate in front of base, margin very narrow, not visible from 

 above, inferior posteriorly; disc convex, median line slightly impressed in 

 front, a vague depression posteriorly and on each side at base a small fovea; 

 suiface coarsely punctured, moderately densely at middle and at sides more 



