INSECTA. 409 



Note. Here, it would seem, ought to be placed the anomalous 

 genus Barbicornis GOD ART, with setaceous, ciliated antennae, uniting 

 the Uraniw with the Erycince and Polyommati. See fig. in CUVIER 

 E. Am. ed. ill, Ins. PL 143, fig. 4. 



II. Third or last joint of labial palps in some distinct, beset 

 with scales like the rest, in others small, subindistinct. Claws of 

 tarsi distinct. Caterpillars oblong, cylindrical. Pupa mostly angu- 

 late, anteriorly bimucronate, or acuminate. 



a) Hexapoda. Six ambulatory feet, nearly similar in both 

 sexes. Chrysalis tied posteriorly and by a transverse string. Cen- 

 tral cell of posterior wings always closed. (Species of the Succincti 

 BOISDUV.) 



Papilio nob. (Papiliones Equites and Heliconii L. ? exclusive of 

 some species.) Posterior wings scolloped in the inner margin, not 

 covering the abdomen below. Anterior tibiaa furnished beneath, 

 I with a spine in the middle. 



Sub-genera : Leptocircus SWAINSON, Papilio FABR., LATR., (Teino- 

 palpus HOPE, Ornithoptera BOISDUVAL, DOUBLEDAY, Papilio BOIS- 

 DUV.), Eurycus BOISD. (Cressida SWAINSON), Parnassius LATR. 

 Thais FABR. 



Sp. Pap. Machaon L. RCESEL, Ins. I., Pap. diurn. Cl. ir. Tab. I. ; SEPP, 

 Nederl. Ins. i. 2e Stuk, Tab. in. ; the queen-page; the tips of the outspread 

 upper wings 4" apart ; the largest domestic species of day-butterfly ; the 

 wings yellow with black veinures, the fore-wings at the base black; the 

 hind- wings tailed, with a margin of blue, half round spots on a black band, 

 and a red eye-spot bordered with blue and black at the inner side. The 

 green caterpillar has black rings with orange spots, and lives on the leaves 

 of carrots (Daucus Carota, &c.) The genus of the Knights butterflies 

 belongs especially to warm countries, the East and West Indies. 



Pieris nob. (Species of genus Pieris SCHRANK). Anterior tibiae 

 without middle spine. Posterior wings caniculate on inner margin, 

 receiving the abdomen beneath. (Wings mostly rotundate, in 

 many yellow or white or variegated with orange and yellow). 



Sub-genera : Euterpe SWAINS., Leptalis DALMAN, Leucophasia 

 STEPHENS, Pontia BOISDUV., DOUBLEDAY, Pieris BOISDUV., DOUBLE- 

 DAY, Zegris RAMBUR, Nathalie BOISDUV., Anthocharis BOISDUV., 

 Idmais BOISDUV., Thestias BOISDUV., Eronia HUEBN., DOUBLEDAY, 

 Callidryas BOISDUV., DOUBLED., GonepteryxIj&AG'H., DOUBLED., (Rhdb- 

 docera BOISDUV.), Colias BOISDUV., Terias SWAINS., BOISDUV. 



