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Lo ! the bright trahi their radiant wings unfold. 

 With silver fringed, and freckled o'er with gold. 

 On the gay bosom of some fragrant flower, 

 They idly fluttering live their little hour, 

 Their life all pleasure, and their task all play, 

 All spring their age, and sunshine all their day, 



Barbauld. 



Genus PAPILIO. 



The word Papilio was used by Linnaeus in the 

 comprehensive sense which he was accustomed to 

 attach to such terms, to designate generically all the 

 diurnal Lepidoptera. As the amount of known 

 species increased, and their structural differences 

 were more carefully noted, they were aiTanged in 

 numerous generic groups, both for the purpose of 

 affording a more accurate view of their affinities, and 

 facilitating the identification of species. The origi- 

 nal term thus became greatly restricted in its appli- 

 cation, and is now confined to such buttei-fiies as 

 present the following characters : — Antennse rather 

 .ong, with a slightly curved club, which is not com- 

 pressed, and of an ovate form, terminating in a point : 

 palpi short, not projecting beyond the head, the third 

 or terminal joint minute and indistinct : legs all 

 formed for walking, the hinder tibiae with two small 



