474 HETEROMERA. 
A single (rather immature) example. Allied to the two preceding species; but with 
the thorax much shorter and with the lateral margins less prominent and not so deeply 
grooved within, and the strie of the elytra much more finely and closely punctured. 
The last-mentioned character will separate it from H. opaculus, Lec. 
5. Hyporhagus yucatanus. 
Hyporhagus yucatanus, Thoms. Monogr. in Ann. Soc. Ent. Fr. 1860, p. 38, t. 3. fig. 3°. 
Hab. Mexico, Merida and Temax in North Yucatan (Gaumer), Yucatan '. 
The numerous specimens received from Mr. Gaumer differ from Thomson’s description 
and figure in having the margins of the elytra less distinctly rufescent ; but this may 
be due to discoloration. H. yucatanus is broader and more depressed than any of the 
other species of the genus inhabiting Central America. The three basal joints of the 
anterior tarsi are dilated in the male. 
6. Hyporhagus levepunctatus. 
Hyporhagus levepunctatus, Thoms. Monogr. in Ann. Soc. Ent. Fr. 1860, p. 30, t. 3. fig. 10 (¢)’. 
Hyporhagus lecontei, Thoms. loc. cit. p. 81, t. 3. fig. 11 (2)? (apud Horn, Trans. Am. Ent. Soe. v. 
p. 151°). 
Hab. Mexico, Almolonga (Flohr); Guatemata, El Tumbador, Pantaleon, San Ger6- 
nimo, Chaco} (Champion) ; Nicaracua, Chontales (Janson); Panama, Bugaba (Champion). 
—CoLompia }, 
The Central-American specimens before me from the above localities are doubtless 
referable to this species. According to Dr. Horn®, who has examined the types of 
Thomson’s species, H. lecontei is the male of H. levepunctatus; the former, moreover, 
is not from California as stated 2, but from Colombia. 
In our insect the two basal joints of the anterior tarsi are a little dilated in the male, 
and the mesosternum is broadly and shallowly arcuate-emarginate in front. H. fusciceps, 
Thoms., also from Colombia, appears to be very closely allied to H. levepunctatus, but 
to differ from it in the more coarsely punctured elytral strie. 
7. Hyporhagus emarginatus. (Tab. XXI. fige. 24,3; 24a, mesosternum.) 
Oblong ovate, black, shining, the head anteriorly, the prothorax anteriorly and at the sides (broadly), the 
margins of the elytra, and the legs and antenne, red. Head densely and not very finely punctured ; 
prothorax transverse, the sides converging from the base, a little rounded, and rather deeply grooved within 
the prominent lateral margins, the surface sparsely, equally, and somewhat finely punctured; elytra 
broadly margined, with rows of shallow rather fine punctures placed upon very fine shallow striz, the 
punctures becoming still finer towards the sides and apex, the interstices finely and sparsely (but quite 
distinctly) punctured : beneath very sparsely and minutely punctured, the metasternum at the sides rather 
coarsely and irregularly punctured and wrinkled ; mesosternum very deeply and semicircularly emarginate 
in front; anterior tarsi in the male with the three basal-joints somewhat broadly dilated. 
Length 37-4 millim. ; breadth 2-23 millim. (¢ 9.) 
Hab, Guatema.a, Torola (Champion); Panama, Bugaba, Tolé (Champion). 
