10. 
14. 
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Wie 
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ZU. 
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24. 
PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 62. 
Regularly oblong; sides of elytra arcuately attenuate from base to apex...... 10 
Trapeziformis or solinniiinies: sides of elytra obliquely attenuate from base 
LOv A DOR eee ce oo Fe ae a IE BEST CO Oo eae a 
Above aeneous, ssi a plight nora ee on iy elytra; Ssoneelh aire 
the pubescence not forming any distinct designs ...... irroratus Waterhouse. 
Above black, with a violet-carmine wee EM elytra sparsely clothed with iso- 
lated Wwhitishjhairs os.:0.)taig-d lige. -.-.-..- Carmineus Kerremans. 
Surface above aeneous or eupragua, ia a ese PIN PC. Fistiwehe eect 
Surface above piceous...... <A 13 
Elytron with the sutural Coes fig aay “ihe cate gece diner Waterhonse. 
Elytron with the sutural angles not produced........... signatus Waterhouse. 
Surface above piceous, with a strong violaceous tinge ....... see & 14 
Surface above piceous, without any violaceous tinge... pihonietus Teainacauaes 
Elytra with the apex subtruncate; surface densely punctured, and somewhat 
opaque.. + eae .-.---- mexicanus Fisher. 
Elytra Ske the ae capil snus ames peels punctured and shining. 
jenningsi Fisher. 
Surface abovetbicolared... Pi! 3 001. Pio... SE Be. Se 16 
Surface above unicolored sere icl.sseed. ! esr ceower oes > ee ee led eee 21 
Pronotum/aen cous si) potas d on date dag Heed see Sages ed aren eee 7 
Pronotum black, bluish-green, or coppery-brown.........-.-.-------.------ 18 
Elytra violaceous, with one transverse pubescent fascia.. pubicollis Waterhouse. 
Elytra violaceous, with two transverse pubescent fasciae... cuneiformis Fisher. 
Pronotum coppery-brown; elytra purplish, with a distinct pubescent fascia 
behind middle, which appears almost to cover the apex; form nearly as narrow 
Anriront asibe lin diss sxe Sess osteo cle ere see laticeps Waterhouse. 
Pronotum, black or: bliish-sreen. 0s ot} 00410 0 eso aie ae ee 19 
Pronotum bluish-green; elytra dark blue, with violet or purplish tints at base and 
sides, and with two undulating pubescent fasciae, one behind the middle and 
the othermean the apex. 204 .'-0 sein cit acioyefe fen resis bifasciatus Waterhouse. 
Pronotum, black... .<.).... oles shies wie tbeaeates we 
Elytra purplish, ee eral neon the eahescence pane from the punc- 
tures and arranged in longitudinal rows; pronotum black, with the lateral mar- 
PUES OROR DIAN GS Siar. Sake ie kk ae purpureipennis Waterhouse. 
Elytra dark blue, the cinereous pubescence forming small patches on the middle 
of disk near the apex; pronotum entirely black.......... bicolor Kerremans. 
Sides of elytra slightly wider at middle than base, dark cupreous, with a purplish 
tinge, with a little whitish pubescence near scutellum, a small spot near the 
suture about the middle, and a distinct curved fascia, commencing at the 
margin behind the middle, and descending to the apical third at the suture. 
elegans Waterhouse. 
Sides of elytra parallel ‘to near'the middle: .: .. 22.2 ce eee cee e~ pans ee ee 
Surface above: FICCOUS «2225 25 Ks nencje)+.os9 Rarue = MERE osha =a - 23 
Surface above blue, an or aeneous . a SET ey ee 
Elytra deeply depressed at base ; purine enon “ey nese and oreiied le 
cinereous pubescence as followst An irregular area behind scutellum, a trans- 
verse undulating fascia at middle, and a narrow undulating one at the apical 
fourth. 052.02 sco cies 22 oe we Sk. Cl a ee L  aof a keie Gr baner: 
Elytra not deeply depressed at base ; surface feebly bluish or violaceous, and 
ornated with cinereous pubescence as follows: A narrow transverse fascia at 
middle, and a narrow undulating one at the apical third.... atrifrons Fisher. 
Surtace.above, blue or greens. i 2c. sick Pcs phate oie = Us. = sce Reo ee ek 
Surface above dark aeneous; each elytron aed with vellecae pubescence 
as follows: An elongate area behind the scutellum, a narrow fascia extending 
