492 Mr. J. SBaly's Descriptions of 
A. Elytris fulvis, utrisque plagis duabus magnis, prima 
infra basin subquadrata, secunda prope medium 
subovata, longe ante apicem abbreviata, viridi- 
eyaneis, purpureo tinctis. 
B. Elytris viridi-cyaneis, apice, limbo externo, fascia 
commune vix ante medium, extrorsum late abbre- 
viata necnon sutura inter fasciam et basin fulvis. 
C. Elytris ut in B, sed fascia ante medium obsoleta. 
D. Elytris totis fulvis. Long. 7} lin. 
Hab. Brazil, New Friburg. 
Head coarsely punctured ; encarpx thickened, smooth, 
impunctate ; eyes subreniform, black ; three lower joints 
of antenne fulvous, the rest black. Thorax much broader 
than long; sides rounded, entire, slightly converging 
towards the apex; disk coarsely punctured, either side 
with a large deep excavation. Elytra much broader 
than the thorax, slightly attenuated towards the apex, 
the latter conjointly angulate; above convex, only slightly 
excavated below the basilar space, the humeral callus 
prominent; each elytron with eight raised coste, more 
strongly elevated towards the apex, the two outer ones 
strongly raised for their whole length, the hinder four- 
fifths of the suture also thickened; interspaces between 
the cost irregularly gemellate-punctate. 
Metaxyonycha amasia, Marshall. 
Ann. Nat. Hist. 1864, p. 888 (Prionodera). 
Elongata, parallela, fulva, nitida, antennarum articulis 
7, 8,9 et 11 nigris; thorace utrinque leviter foveolato, 
disco sparse, ad latera crebrius-punctato, lateribus rotun- 
datis, tridentatis ; elytris lete viridi-eneis, crebre rugoso- 
punctatis, basi obsolete, ad apicem distincte elevato 
costatis. Long. 3}—4} lin. 
Hab. Mexico, Teapa. 
Face deeply impressed longitudinally between the 
eyes, the latter large, subrotundate, obsoletely sinuate, 
black; antenne very slender, filiform, longer than the 
body in the male, two-thirds its length in the female. 
Thorax nearly twice as broad as long; sides rounded, 
armed with three short subacute teeth, which occupy 
the middle two-fourths of the margin, all the angles 
mucronate; surface impressed on either side near the 
