Agaristidas 
base of the abdomen, and the white annulus near its extremity, 
are at all events marks quite as characteristic as those by which 
some other species in the genus are separated. Its habitat is 
southern Florida. 
(5) Alypia langtoni Couper, Plate XVII, Fig. 17, 9. 
(Langton’s Forester). 
Syn. sacramenti Grote & Robinson; hudsonica Henry Edwards. 
This species ranges from Canada westward through British 
Columbia into California in the south and Alaska in the north. 
(6) Alypia mariposa Grote & Robinson, Plate XVIII, Fig. 
15. (The Californian Forester.) 
This, undoubtedly the handsomest species of the genus, is 
confined to the Pacific coast. 
(7) Alypia ridingsi Grote, Plate XVII, Fig. 13, $, Fig. 
14, $ . (Ridings’ Forester.) 
A common species in the Rocky Mountain region at high 
elevations, and ranging northward to Sitka and the valley of 
the Yukon. 
Genus ALYPIODES Grote 
Two species of this genus are Mexican, the third is found 
in our fauna, though also occurring south of our boundary. 
(1) Alypiodes bimaculata Herrich-Schseffer, Plate XVII, 
Fig. 22. (The Two- 
spotted Forester.) 
Syn. trimaculata Bois- 
duval. 
The figure in. the 
plate represents the typi¬ 
cal form, the figure in 
the cut shows the 
aberration named 
crescens by Walker, in 
which the hind wing has a yellow spot about the middle of 
the wing. The insect is fairly common in southern California, 
New Mexico, and Arizona. 
“ The entomologist need not relax his endeavors day or night. Moth- 
ingis night employment.”—A. S. Packard. 
Fig. 84.— Alypiodes bimaculata , $ . 
(After Hampson.) 
145 
