various Central American Coleoptera. 81 
scattered punctures present at the sides of the elytra only, 
and the femoral excavations in the first ventral segment 
very deep. It must be left to the American entomologists 
to describe. 
*Lytopeplus curtulus, n. sp. 
Ovate, convex, shining, fusco-ferruginous, the antennae, mouth- 
parts, and legs testaceous. Head and thorax with a few 
widely scattered excessively minute punctures; thorax narrowing 
from the base, finely margined, distinctly bisinuate at the base; 
elytra with abbreviated series of fine scattered punctures, the 
interstices almost smooth, the inferior marginal carina not very 
prominent. Prosternal pits deep. Metasternum hollowed behind for 
the reception of the posterior femora. Metasternal and abdominal 
lines conspicuous, the former extending outwards to the episterna. 
Length 12-14 mm. 
Hab. Mexico, Omilteme in Guerrero (H. H. Smith); 
GuATEMALA, Capetillo, Zapote (Champion). 
Ten examples, one only of whichis from Mexico. Smaller, 
more convex, and less elongate than L. compactus, Sharp. 
The prothorax and elytra with less prominent marginal 
carina, the prothorax rather strongly sinuate at the base, 
the prosternal fossae deeper. The seriate punctures on the 
elytra are coarse in the Mexican specimen. 
*Lytopeplus laevipennis, sp. n. 
Short ovate, very convex, shining, black, the front of the head, 
the margins of the prothorax, and the prosternum sometimes rufes- 
cent, the antennae, mouth-parts, and legs testaceous. Head, thorax, 
and elytra smooth (the elytra without trace of the usual dorsal 
series of punctures, when viewed under the microscope), the thorax 
finely margined at the sides and rather strongly bisinuate at the 
base. Beneath smooth; metasternal and abdominal lines sharply 
defined ; prosternal process very broad. 
Length 14-2 mm. 
Hab. Mexico, Cordova (Sallé); GuatEMaLA, San Gero- 
nimo (Champion) ; PANAMA, Volcan de Chiriqui (Champion). 
Four specimens, the two from Guatemala, taken as the 
types, larger than the others. The very convex body and 
entirely impunctate upper surface readily distinguish L. 
laewipennis. The thorax is much more strongly sinuate at 
the base than in L. compactus, the type of the genus. 
TRANS. ENT. SOC. LOND. 1913—PARTI. (JUNE) G 
