290 HETEROMERA. 
margins very slightly extended, narrow, and scarcely reflexed, the surface punctured like the head but 
still more coarsely so, the punctures longitudinally confluent on the anterior portion of the disc, and 
obliquely so at the sides and base; elytra comparatively short, subparallel in the male, widest a little 
beyond the middle in the female, much wider than the prothorax, shallowly, transversely, and broadly 
impressed below the base and the central portion transversely swollen in the female, with regular rows of 
very deep and coarse transverse impressions, the impressions much finer and shallower posteriorly and 
each with a very minute granular point on each side, the interstices almost impunctate, the third and the 
seventh from the base nearly to the apex (where they become confluent) and the fifth for about two thirds 
of its length very sharply raised, the others at the sides and beyond the middle also more or less costate ; 
legs coarsely and very closely punctured, the tibie still rougher; beneath brownish-piceous, shining, 
coarsely punctured, the metasternum in the middle and the ventral surface much more finely and sparingly 
so, the flanks of the prothorax coarsely punctured ; mesosternum declivous in front, narrowly but not 
very deeply excavate ; prosternum slightly declivous behind, the apex produced into a small point. 
Length 44-63 millim.; breadth 2-3 millim. (¢ 9.) 
Hab. Guatemaa, Cerro Zunil, Zapote (Champion). 
Many examples. This species on account of the peculiar sculpture of the elytra 
cannot be confounded with any other here described; in general structure it agrees 
very well with Tarpela browni, though comparatively shorter in form. 
3. Tarpela oblongo-punctata. 
Tarpela oblongo-punctata, F. Bates, Ent. Monthly Mag. vi. p. 273"; Allard, Rév. Hélopides, 
L’Abeille, xiv. p. 77; Mittheil. der schweiz. ent. Ges. v. pp. 56 & 287°. 
Hab. Mexico? (colls. F. Bates 1°, Mus. Brit.). 
Two examples only of this species are known to me: one in Mr. F. Bates’s collection, 
and another in the British Museum. 
4. Tarpela inequalis. (Tab. XII. fig. 21, 3.) 
Oblong ovate, subparallel, rather convex, bright greenish-bronze, with a slightly cupreous tint, shining. Head 
closely and somewhat coarsely punctured, the space between the eyes confluently and very much more 
coarsely so, broadly and triangularly flattened (the depression reaching to the vertex), the epistoma 
limited behind by a distinct but shallow groove ; antenne rather short, not reaching to one third of the 
length of the elytra in the male, piceous; prothorax short, transverse, strongly margined, the lateral 
margins broadly but shallowly grooved within, widest towards the base, the sides almost straight or 
scarcely narrowing in their basal third and obliquely converging from the middle to the apex, the apex 
very deeply emarginate, the anterior angles broadly and strongly and subtriangularly produced in front, 
the base bisinuate, strongly margined, and a little depressed within, the basal fovese rather deep, the 
hind angles subrectangular, the disc shallowly longitudinally impressed and with a rounded impression 
on each side externally, the surface rather coarsely, sparingly, and very irregularly punctured, the punctures 
here and there longitudinally confluent on the disc (more frequently so at the sides and there coarser - 
and much more closely placed), the sides, base, apex, and a narrow longitudinal space on the disc bronzy- 
cupreous, the rest greenish; elytra convex, rather long, subparallel to beyond the middle, the humeri 
broadly rounded, with rows of moderately coarse distantly placed short longitudinal impressions, the 
impressions here and there confluent and gradually becoming very much coarser and deeper towards the 
sides and finer and shallower towards the apex, the interstices very sparingly and finely punctured, rather 
uneven, flat on the disc and apical portion and more or less raised and irregular towards the sides, a row 
of coarse deep impressions on each side within the lateral margin, the suture and base narrowly, the 
impressions, and the sides bronzy-cupreous, the rest greenish; legs dark bronze, the tarsi lighter, the 
