366 HETEROMERA. 
joints 1-4 bright metallic green, the rest dull piceous, the apical joint often more or less ferruginous ; 
prothorax short, transverse, usually very strongly so in the male, convex, the sides immarginate, a little 
rounded and narrowing anteriorly, and nearly straight behind with the hind angles rectangular (sometimes 
sinuate behind, with the hind angles acute), the apex straight, the base slightly sinuate, both strongly 
margined, the anterior angles obtuse, the disc usually rather deeply impressed and canaliculate before the 
base, sometimes canaliculate in front, and often irregularly depressed on each side about the middle (in 
some coarsely sculptured male examples with an irregular, smooth, narrow, slightly raised longitudinal 
space in the middle), the basal fovee deep, the surface usually coarsely but rather sparingly and irregu- 
larly punctured (in some males exceedingly coarsely, in some females more finely and sparingly so) ; 
scutellum subtriangular, sparingly punctured, greenish or cyaneous ; elytra very long, distinctly narrower 
in the male, subparallel to far beyond the middle, if anything widest at the extreme base, the apices 
slightly produced, striate-punctate, the punctures rather coarse but not deep, closely approximate, and 
usually strongly transverse, and becoming finer towards the apex, the interstices smooth, slightly raised on the 
disc and convex towards the sides and apex, the surface red, reddish-testaceous, or testaceous, with a very 
broad cyaneous or greenish-violaceous sutural stripe (reaching to the fifth row of impressions) extending 
from a little below the scutellum to the apex, the lateral margins posteriorly and the epipleure usually 
violaceous; beneath pubescent, bright metallic green or cyaneous, comparatively coarsely and closely 
punctured, the sides of the metasternum and the flanks of the prothorax very coarsely so; legs long and 
rather slender, very coarsely punctured, slightly pubescent, bright metallic green or cyaneous, the first 
joint of the posterior tarsi rather longer than the apical joint; anterior tibi slightly curved and a little 
sinuate and somewhat thickly clothed with hair within, and the inner edge of all the femora thickly 
clothed with hair, in the male, the fifth ventral segment flattened only in this sex. 
Length 11-14 millim.; breadth 3-43 millim. (¢ 2.) 
Hab. Mexico, Orizaba (Sailé), Misantla (Hége); Britisp Honpuras, R. Sarstoon 
(Blancaneaux); Guatemana, Sabo, Sinanja, Senahu, San Juan in Vera Paz (Champion). 
Var. a. The sutural stripe of the elytra much narrower; the prothorax more finely and more sparingly 
punctured. 
Hab. Brivisn Honpuras (Blancaneaux) ; GuateMaLa, Panzos and San Juan in Vera 
Paz (Champion). Four females. 
Var. 3. The elytra metallic green, violaceous at the apex, with a reddish-testaceous humeral patch extending 
inwards nearly to the scutellum and laterally to about the middle; the hind angles of the prothorax 
acute. 
Hab. Mexico, Cerro de Plumas (Hoge). One immature female. 
Var. y. The elytra pale, testaceous, the suture narrowly fuscous ; the hind angles of the prothorax acute. 
(Tab. XV. fig. 22, 3.) . 
Hab. Gvuatemaa, Sinanja (Champion). Three males. 
The large number of specimens I refer to this species vary considerably inter se, but 
Iam unable to separate them; the description is taken from Guatemalan examples. 
Both sexes were collected together by myself in several localities on the Guatemalan 
Atlantic slope, and the pallid variety y in company with the type. The specimens 
before me from Mexico and British Honduras are all females, and differ a little from 
the others; the examples from Orizaba in the Sallé collection (labelled S. laterale, 
Makl.) and the variety 6 have the thorax obsoletely margined at the sides towards the 
base; the variety 8 may possibly represent another species. In most of the specimens I 
