RniPIIEUS DASYCEPHALUS. 207 



ties presented by Drury's figure ; but it is likely 

 that different opinions will be held on the subject. 

 The following are Mr. Swainson's observations : — 

 " If the imagination was taxed to invent, or to con- 

 centrate into one figure all that was splendid, 

 lovely, or rare in the insect world, Nature Avould 

 far exceed the poor invention of man by the pro- 

 duction of this incomparably splendid creature ; its 

 rarity also is so great, that but one specimen has 

 ever been seen. It is not, however, on this account 

 only that we have been induced to copy this figure, 

 but because its illustration will clear up one of the 

 most intricate and perplexing questions that has 

 hitherto impeded the natural arrangement of the 

 Linnsean Papiliones, and even of the whole order of 

 the Lepidoptera. 



" The error of Cramer regarding Rhipheus has 

 already been rectified. It will now be demonstrated 

 that not only are the two insects distinct as species, 

 but that they actually belong to different genera ; 

 Cramer's being a Urania of Fabricius and Latreille, 

 while Drury's is a Papilio of the same authors. 

 This is proved by the figures, and confirmed by the 

 following words of Drury : — ' The antenna are 

 black, and knobbed at their extremities,' in other 

 words, clavate ; while the palpi, as expressed in the 

 figure, are so small as not to project beyond the 

 head, where they lie hid among the frontal hairs ; 

 this also being a typical distinction of the Latreil- 

 lian Papiliones. The figures in Drury's work were 

 all drawn and engraved by Moses Harris, well known 



