LEPIDOPTERA : SPHINGID^. 393 



third, sixth, seventh, eighth, ninth, and last segments, and, 

 with some exceptions, they have either a horn or tuber- 

 cle on the top of the last segment. 



The Genus Sphinx, as formerly limited, contains the 

 Sphinges proper, which by modern writers are referred 

 to several different genera. 



The Five-spotted Sphinx, 5. quinquemaculatus of au- 

 thors, expands about five inches, and is gray, variegated 

 with blackish, and on each side of the body there are five 

 round orange-colored spots encircled by black. Its tongue 

 is five or six inches long when fully unrolled, but when 

 not in use is coiled up nearly out of sight. The larva is 

 green, feeds upon the potato-vine, and attains the length 

 of three inches. At the close of summer it enters the 

 ground, becomes a bright brown chrysalis, with a long, 

 slender tongue-case bent over from the head to the breast, 

 like a pitcher-handle. The Carolina Sphinx, 5. Carolina, 

 Linn., closely resembles the preceding one. 



The Genus Ceratomia has four short, fleshy horns on 

 the thorax of the larva. The Four-horned Sphinx, C. 

 quadricornis, Harr., expands about five inches, and the 

 wings are light brown, variegated with dark brown and 

 white; hind body marked with five longitudinal brown 

 lines. The caterpillar feeds upon the elm, attains the 

 length of three inches and a half, has four horns on the 

 thorax, and a stiff spine at the hind extremity. 



The Genus Philampelus embraces sphinges whose larvae 

 feed upon the grape-vine. The Satellitia Hawk-Moth, P. 

 satellitia, Linn., expands four or five inches, and is light 

 olive, variegated with patches of darker. 



The Achemon, P. achemon, Drury, expands three or 

 four inches, and is reddish ash, with two triangular patches 

 of deep brown on the thorax, two square ones on each 

 fore wing, and the hind wings pink, with a broad ashy 

 border. 



17* 



