168 NATURAL HISTORY. 



gray, veined with ochre color; females reddish-gray, 

 with cinnamon spots on the inferior wings ; all the wings 

 pectinated or toothed. The caterpillar, two and a half 

 inches long, is blue-green, marked with yellow; has a 

 blue horn ; lives on the willow, poplar, and aspen ; 

 changes in August to a pupa, red-brown below, blue- 

 black above ; remains all winter in the nympha state ; 

 makes its cell under ground, and comes forth in the early 

 summer, perfect. 



Spotted Elephant Hawk Moth (sphinx euphorbiae). 

 The fore wings are pale rose color, marked with olive ; 

 the hinder, black, with transverse bands of rose red ; the 

 brilliant-hued caterpillar, smooth and naked, lives on the 

 euphorbia ; is remarkable for voracity. It spins a slight 

 web, and undergoes its transition either under the earth, 

 or among dry leaves ; the pupa is brown, and sometimes 

 comes forth in the following July, and at others not until 

 the second year. 



The Swift Wing (sphinx celerio), plate 24, fig. 6. 

 On the body and upper wings, which run out to a point, 

 brown, marked with lighter shade, and interlined with 

 white; lower wings red, marked with black. Caterpil- 

 lar three inches long, brown, with yellow stripes, and 

 eye-shaped spots of blue on the fourth and fifth rings of 

 the abdomen ; lives on the leaves of the grape vine. In 

 autumn it changes to a handsome red-brown nympha ; 

 remains all winter under leaves, and comes forth a but- 

 terfly in spring ; it is rare ; two other species, the Me- 

 dium and Lesser Swift Wings, resemble it. 



The Oleander Moth (sphinx nerii) is found in Italy, 

 very rarely in Germany ; body beautifully shaded into 

 rings of green ; upper wings partly pale red. The cat- 

 erpillar, four inches long, is also green, with one white 



