334 HETEROMERA. 
(Janson) ; Costa Rica (coll. F. Bates), Cache, Volcan de Irazu (Rogers); Panama, Volcan 
de Chiriqui 3000 feet (Champion). | 
var. 
Spheniscus marginicollis, J. Thoms. Arcana Nat. p. 110, t. 11. f.51; Dej. Cat. 8rd edit. p. 229°. 
Hab. Mexico ! 2, Cordova (Sallé, Hége); GuatemMaua, Chacoj in Vera Paz (Champion). 
The long series of specimens before me connect C. marginicollis with C. migro- 
maculata: Iam quite unable to detect any difference except colour*. ‘The insect 
varies considerably in the intensity of the maculation of the elytra, the spots sometimes 
coalescing on the disc and forming a common transverse band. In the variety (in 
addition to the sides of the thorax being more or less broadly marked with red) the 
elytral spots are much larger, more scattered, and fewer in number; intermediate 
examples are, however, found in Mexico. C. marginicollis seems not to extend south 
of Guatemala, while C. nigro-maculata appears to be widely distributed. The specimens 
before me vary in length from 13-214 millim., and in breadth from 6-11 millim. 
4, Cuphotes unicolor. (Tab. XIV. fig.7,¢.) 
Spheniscus unicolor, ¥. Bates in litt. 
Rather short, very convex, unicolorous reddish-testaceous, the eyes, oral organs, antenne, the apical third of 
the femora, the tibie, and tarsi, piceous or black, shining. Head almost smooth, the epistoma alone 
finely and sparingly punctured, shallowly longitudinally impressed between the widely separated eyes ; 
antenns with the penultimate joints about as long as broad; prothorax strongly transverse, the apex 
feebly arcuate-emarginate, the base strongly bisinuate and somewhat deeply impressed within in the 
middle and on each side, the anterior angles rounded and not prominent, the sides slightly rounded and 
narrowing from a little before the base, the surface smooth and (except at the base) unimpressed; elytra 
broad, rather short, very convex (scarcely gibbous), the disc gradually rounded off behind, very finely and 
lightly striate-punctate, the interstices sparingly and very minutely punctured; legs comparatively long 
and slender, the intermediate and hind tarsi long; beneath finely and sparingly punctured, the meta- 
sternum almost smooth, sparingly pubescent, the middle of the metasternum thickly clothed with hair in 
the male. 
Length 15-17 millim.; breadth 8-10 millim. (¢ 2.) 
Hab. Nicaracua, Chontales (Belt, Janson). 
Numerous examples. This insect has no near known ally. 
2. The underside of the femora thickly (the middle of the metasternum almost glabrous, 
as in the female), and the apex of the last ventral segment sparingly, clothed with 
hair, in the male. 
5. Cuphotes cincta. 
Helops cinctus, Oliv. Ent. ii. 58, p. 18, t. 2. £6"; Lac. Gen. Col. v. p. 481, nota 2?; J. Thoms. 
Arcana Nat. p. 111°. 
* Thomson (op. cit.) describes the elytra as “ gibbous” in C. nagro-maculata and “very convex” in C. mar- 
ginicollis: the examples before me bridge over these differences. 
