REVISION OF THE BUPRESTIDA OF THE UNITED STATES. 237 
elytra being coarser than those of the thorax, and by the posterior impression being di- 
vided into two fovex. 
B—c. 
19. GC. acuminata, znea, thorace antice latiore, lateribus rectis prope apicem angulatis, punctato, parcius 
in disco, ad latera insequali, elytris costis solitis interruptis, plagis elevatis sublevibus nitidis, alterisque depressis 
punctatis ornatis, serratis, apice singulatim acuminatis et spinula brevi armatis; subtus cupreo-znea, sterno fere 
levi. Long. -44—-67. 
Mas segmento ventrali ultimo postice late sulcato valde emarginato, apice utrinque bidentato, tibiis anticis et 
intermediis curvatis, intus serrulatis. 
Femina segmento ventrali ultimo late truncato, angulis acutis prominulis, medio carina integra leevi signato, 
tibiis anterioribus paulo curvatis. 
Tamaulipas, extending to Matamoras and probably into Texas; Dr. Berlandiére. Quite 
distinct by the above characters from all the other species seen by me. The impressed 
spots are almost as in Chalcophora virginiensis. 
B—d, a. 
20. C. gemmata, depressa, supra leete purpurea, capite valde punctato, viridi-aureo, inzequali, cupreo-maculato, 
thorace tenui canaliculato, versus latera inaequali, viridi-aureo variegato, punctato parcius in disco, elytris sat dense 
) | 5) gato, ? 
zoqualiter punctatis, costis solitis tenuibus interruptis, impressionibus utrinque 4 laete inauratis, strigaque subhu- 
merali ornatis, 2nda et 8ia postice emarginatis; subtus viridizenea, purpureo-variegata nitida, prosterno medio parce 
) p g ; ) purp iS ) P 
subtiliter punctato. Long. -88. 
Femina segmento ventrali ultimo carina lzvigata postice sensim attenuata, apice truncato, tibiis intermediis 
fo) to} ? ») 
rectis, anticis paulo curvatis. Mas latet. 
Lec. Proc. Acad. Nat. Sc. Phila. 1858, 67. 
Two specimens collected by Mr. Arthur Schott in Arizona. The antenne are purple, 
the third joint is as long as the three following. The last ventral segment is elongate, ob- 
lique, and even a little concave on the sides; the marginal groove is limited by an inter- 
nal elevated serrate line; the posterior angles of the other segments are very prominent. 
B—d, @. 
21. C. sexsignata, obscura, subsenesceus, rude punctata, thorace brevi, lateribus preecipue subrectis, trans- 
versim rugoso, linea dorsali seepissime leevi, interdum obsoleta, elytris costis parum distinctis, fovea basali, altera 
ante medium, tertiaque majore pone medium impressis, seepissime cuprascentibus, serratis apice singulatim rotun- 
datis; subtus seepissime purpurea, medio cyanea, (nonnunquam eenea, medio viridis, ) sterno dense punctato. Long. 
-28—-50. 
Mas capite viridi, segmento ventrali ultimo obsolete carinato, apice emarginato, tibiis anticis et intermediis cur- 
vatis, his paulo serrulatis. 
Femina segmento ventrali ultimo carinato, apice minute emarginato, tibiis anterioribus paulo curvatis. 
Buprestis sexquttata || Say, Journ. Acad. Nat. Se. Phila. 8, 161. 
