Sao GEOMETRIDZ. 
a®. Hind wing with vein 5 from 
middle of discocellulars, which 
are oblique. 
a‘, Frons with a short sharp tuft of 
hair. 
a. Abdomen with dorsal tufts .. 26. 
5°. Abdomen without dorsal tufts. 23. 
6*. Frons rounded and smooth. 
a. Fore wing long and narrow, 
the apex produced ; antennze 
of male pectinate.......... 40. 
6°. Fore wing broad, the apex 
not produced; antennz of 
maleiciliateds sem. eee oe oo: 
6°. Hind wing with vein 5 from below 
middle of discocellulars, which 
are angled Maik Pate wate o4. 
bo’. Hind tibie with the medial or both 
pairs of spurs absent. 
a’, Fore wing with vein 11 not anasto- 
, mosing with 12. 
a’, Palpi with the 2nd joint at least 
twice the length of head; abdo- 
men very long; male usually with 
a lobe at base of hind wing .... 32. 
6°, Palpi with the 2nd joint less than 
twice the length of head ; abdo- 
men hardly longer than the hind 
wing; male with a small fold at 
basevor hind wane | ene eer ie 27. 
vt 2s eS A ee Ae 24, 
e. Fore wing with veins 10 and 11 anasto- 
mosing with 8, 9 to form a small areole, 
or stalked with them. 
a’, Fore wing with vein 7 stalked with 6; 
hind wing with the cell normal .... 10. 
b'. Fore wing with vein 7 stalked with 
fe}, OO) JE 
a’. Palpi ‘porrect, more than twice the 
length of head; the 2nd joint 
thickly haired... 2o/. ee ie ae 10. 
6°. Palpi upturned and reaching vertex 
of head; hind tibize of male with 
one pair of spurs; hind wing with 
veins 3, 4 and 6, 7 on long stalks .. 36. 
ce’. Palpi short and porrect ; hind tibize 
of male with two pairs of spurs. 
a®, Fore wing with vein 6 from or 
from above angle of cell. 
a’, Fore wing with the apex not 
falcate nor the outer margin 
OXCISEM A, Aad hath meee ony Bi: 
6*, Fore wing with the apex falcate, 
the outer margin excised below 
EHUD. Sal carly Gis chmIeKO) Biche IC RIOGME 38. 
EUPITHECIA, p. 398. 
Pomasia, p. 387. 
STERRHA, p. 423. 
HybDRELIA, p. 412. 
VENUSIA, p. 415. 
SAURIS, p. 408. 
TRICHOPTERIGIA, 
[p. 403. 
GYMNOSCELIS, 
[p. 388. 
CATACLYSME, 
[p. 348. 
HyPENORHYNCHUS, 
[p. 340. 
PoLynestA, p. 418. 
CaMBOGIA, p. 419. 
HasTIna, p. 422. 
