136 PHYTOPHAGA. 
Mexican species, I have been compelled to sink several of those described by Boheman, 
our extensive series clearly showing the variable nature of some of them. Nineteen 
only are now recorded from within our limits; they may be identified by the following 
‘Table :— 
Colour zneous, ceruleous, or green. 
Elytra transversely gibbous below the base, each with three sanguineous 
spots which are sometimes coalescent . | 
Elytra not or feebly gibbous below the base. 
Anterior margin of the prothorax concolorous with the other part. 
Each elytron with three red or yellow spots. 
Species very large; elytra uniformly punctured on the disc 
Species smaller; elytra unequally punctured woe 
Each elytron with two transversely placed red or yellow spots, some- 
times coalescent, the inner one sometimes obsolete (M. lebasi, 
var. 6); surface distinctly punctured. 
Humeri rounded: species moderately large . 
Humeri subangular : 
Each elytron - with a single sublateral reddish spot ; 
smooth . . . . . 
Anterior margin of the prothorax flavo-testaceous or falvous. 
Each elytron with three large yellow spots, the posterior two coalescent. 
species smaller . se ee 
surface almost 
Each elytron with two large obliquely placed yellow spots . . 
Each elytron with two large transversely placed yellow spots, some- 
times coalescent or dotted with zeneous : species large ; male cordate, 
female ovate a 
Each elytron largely marked with sanguineous, the sanguineous colour 
sometimes reduced to three spots: species small; male rotundate, 
female ovate 
Colour black; the elytra with a broad flavous black-spotted lateral vitta ; ‘the 
upper surface cinereo-pubescent: species very large . . 
Colour stramineous, testaceous, or ferruginous. 
Prothorax arcuate-emarginate in front. 
Elytra feebly gibbous below the base. 
Each elytron with about eight eneous or ceruleous spots (obsolete in 
M. isthmica, var. 8); the prothorax sometimes with a narrow median 
vitta: species small; male rotundate, female ovate. 
Elytral punctuation coarse; the prothorax with the sides rounded 
behind . 
Elytral punctuation finer ; 
straight behind . ce ee ee . 
Each elytron with two broad neous vitte, confluent posteriorly ; the 
prothorax with broad median vitta, and a spot on either side of 
it, eneous . 
the prothorax with the sides almost 
punicea, Boh., and — 
[vars. 
illustris, Chevr. — 
tristigma, Boh. — 
[ vars. 
lebasi, Boh., and - 
guadrinotata, Boh. 
costaricensis,n.sp. 
xanthospila, n. sp. 
quadriguttata, 
[n. sp. 
salvini, Baly. 
pictilis, Boh., and 
[ vars. 
mellyi, Boh. 
ceruleonotata, 
[ Boh. 
isthmica, 0. sp., 
[and vars. 
eneovitiata, n. sp. 
