New Heterocera from Central America. 275 
Fig. 5, Left leg of the first pair of the same, from the outside. x 4. 
Fig. 6. Left leg of the second pair of the same, from the outside. X 4. 
Fig. 6a. Apex of propodite of same, to show the rudimentary nodular 
dactylopodite. 
Fig. 7. Psalidopus Huxley, last thoracic sternum with bases of legs of 
last pair of female. Nat. size. 
Fig. 8. Psalidopus spiniventris, last thoracic sternum with leg bases of 
male, Nat. size. 
PLATE XV. 
Figs. 1,1 a. Psalidopus spiniventris, mandible. x 5. 
Fig. 2. First maxilla. x5. 
Fig. 3. Second maxilla. x5. 
vg. 4. First maxillipede. 5. 
Fg. 5. Second maxillipede. x 5. 
Third maxillipede. x2. 
Left abdominal appendage of the first pair in female. x 2. 
. Left abdominal appendage of the second pair in female. 2. 
. Left abdominal appendage of first pair in male. x2. 
Fig. 10, Left abdominal appendage of second pair in male. x 2. 
= 
SS s 
2 DID Crp 9 LO 
XLII.—Description of a new Genus and some new Species of 
Fleterocera from Central America. By Hirsert DRucE, 
Ens: 
Fam. Egeriide. 
ALGERIA, Fabr. 
Atgeria armasata, sp. n. 
Primaries and secondaries hyaline, with a slightly yellowish 
tinge, the costal, outer, and inner margins of the primaries 
edged with yellowish brown, the veins of both wings yellowish 
brown, those of the secondaries being the darkest; the fringe 
of the secondaries dark brown. ‘The underside of both wings 
light yellow. The palpi and front of the head yellow; the 
antenne dark brown, yellowish at the base; the thorax and 
abdomen blackish brown, with a yellow line at the base of the 
abdomen ; the anal tuft yellowish brown; the legs orange, 
banded with black. 
Expanse 12 inch. 
Hab. Mexico, near Durango city (Becker). 
A fine species, very distinct from all others known to me. 
Afgerta mardia, sp. n. 
This species is allied to Ageria tryphoniformis, Walker, 
