LEPIDOPTERA I BOMBYCID^. 397 



militaris, Harr., which expands about two inches, and 

 the fore wings are white bordered with brown, and with 

 an oblique band of the same color from the inner margin 

 to the tip ; hind wings white, without spots. 



The Genus Crocota contains pale red species. It is 

 like a geometrid moth in form, and may easily be mis- 

 taken for one. 



The Genus Arctia has the body thick, and the larvae 

 have whorls of long hairs and are called Woolly Bears. 



The Virgin Tiger-Moth, A. virgo, Sm. Abb., expands 

 two and a half inches, and the fore wings are flesh-red 

 fading to reddish buff, and marked with stripes and spots 

 of black ; hind wings vermilion blotched with black. 



The Harnessed Moth, A. phalerata, Harr,, expands from 

 one inch and a half to one inch and three fourths, and 

 the color is pale buff, the hind wings next to the body 

 and the sides of the body reddish, and the fore wings 

 with two longitudinal black stripes and four triangular 

 black spots. 



The Isabella Tiger-Moth, A. Isabella, Hiibner, expands 

 two inches or more, and the color is tawny, with a few 

 black spots on the wings, and a row of black dots on 

 each side and above the body. The caterpillar is very 

 thickly clothed with short, stiff, even hairs, which are 

 black on the first four and last two segments, and tan- 

 red on the intermediate ones. If taken up it immedi- 

 ately rolls itself into a ball. It remains torpid through 

 the winter, makes an oval blackish cocoon in the spring, 

 and comes out a moth in summer. 



The Genus Spilosoma has the color white, gray, or 

 yellow, with black dots or stripes. 



The Virginia Ermine-Moth, or White Miller, S. vir- 

 ginica, Fabr., expands from an inch and a half to two 

 inches, color white, with a black point on the fore wings 

 and two black dots on the hind ones. 



