120 CORYLOPHID. 
and large, slightly recurved, 2 large, but smaller than 1, 3 slender, shorter than 2, 4-8 very small, 
transverse, 9-11 forming a much incrassated, subfoliate club. Thorax small, widest at the base, and 
circularly or ovally rounded in front; anterior margin more or less broadly reflexed; basal margin 
generally sinuated, with the angles not produced. Scutellum generally small and rounded. Llytra large, 
entire, much broader than the thorax. Legs generally short; tibia sometimes flattened ; tarsi 4-jointed 
—1 and 2 nearly equal, 3 very minute, 4 elongate and slender ; claws faintly incurved. Venter composed 
of six segments, of which the basal one is nearly equal in length to the other five. 
This genus contains numerous species from North and Central America and the 
Sandwich Islands. It is separated from Corylophus by the 11- (not 9-) jointed antenne 
and other characters. 
The five Central-American species (briefly noticed, op. cit. p. 161) may be separated 
from each other by the following characters :— 
Body hemispheric. 
Size large; legs piceous . . . 2... we eee ee Champion. 
Size small; legs yellow. . . 2. 2. 2. 1. 1 1. we ee feansoni. 
Body more or less ovate. 
Surface almost smooth. . . . . . . . . we ee torquatus. 
Surface rather deeply punctured. . . . . . . . . . . . ~ ecastaneus. 
Body almost orbicular . . . . . . . . ... Orbicularis. 
1. Corylophodes championi, sp. n. (Tab. ITI. figg. 19, 19 a-c.) 
Hemisphericus, glaberrimus, nitidissimus, aterrimus, margine reflexa pronoti albida translucida ; pronoto parvo, 
vix evidenter punctato, margine anteriore modice reflexa, margine basali fortiter sinuata angulis rectis; 
elytris quam pronotum multo latioribus, duplo longioribus, ad media latissimis, fere impunctatis; pedibus — 
atque antennis piceo-ferrugineis. Long. corp. +2 lin.= 1-50 millim. 
Head flavescent; antenne pale yellow. Zhoraw small, scarcely perceptibly punctured ; anterior margin mode- 
rately reflexed, transparent white; basal margin strongly sinuated, with the angles rectangular. Scutellum 
moderate, short, and rounded. lytra much broader and twice longer than the thorax, widest at the 
middle, almost impunctate. Legs moderate, piceous. Underparts piceous, with a deep longitudinal 
impression on the metasternum, and a smaller impression on the first ventral segment. 
Hab. GuateMata, Cerro Zunil (Champion). 
Differs from other species of the genus in its large size, hemispherical form, smooth 
and almost impunctate surface, and deep black colour. J have named this fine 
- species, the largest of its genus yet discovered, after its captor, in recognition of the 
service he has rendered to entomology in the pursuit of members of this difficult and 
interesting Family. 
2. Corylophodes jansoni, sp. n. 
Hemisphericus, glaberrimus, nitidissimus, modice punctatus, aterrimus, pronoti margine anteriore late trans- 
lucida; pronoto parvo, antice valde rotundato, modice punctato, interstitiis glaberrimis, nitidissimis, 
margine anteriore late reflexa, late translucida, margine basali ad scutellum longius producta angulis fere 
rectis ; elytris quam pronotum latioribus et plus quam sesqui-longioribus, ante media latissimis, validissime 
convexis, modice punctatis, interstitiis glabris, nitidis, lateribus marginatis; pedibus atque antennis lete 
flavis. Long. corp. 4 lin. = 1 millim. 
