uonti'ivance of the most curious kind : we liave organizations 

 three deep, yet a vascular system, which supplies nutrition, 

 growth, and life to all of them together. The art also with 

 which the young insect is coiled up in the egg, presents, 

 where it can be examined, a subject of great curiosity " 



Indeed the alteration of form, which the whole of the 

 papilionaceous tribe undergo, affords a subject of the most 

 pleasing contemplation to the mind pf the naturalist ; and 

 though a deep philosophical survey demonstrates that there 

 is no real or absolute change produced in the identity of 

 the creature itsell', or that it is in reality any other than 

 the gradual and |)rogreasive evolution of parts before con- 

 cealed, and which lay masqued under the form of an insect 

 of a widely different appearance, yet it is justly viewed 

 with the highest admiration. 



" Even in a moral point of view," observes the ingenious 

 author of " Salmonia," " tlie analogies derived from the 

 transformation of insects, admit of some beautiful applica- 

 tions, which have not been neglected by the pious Ento- 

 mologists. The three states of the caterpillar, pupa, and 

 butterfly, have from the time of the Greek poets been 

 applied to typify the human beuig — its terrestrial form, 

 apparent death, and ultimate celestial destination ; and it 

 seems more extraordinary that a sordid and crawling worm 

 should become a beautiful active fly— that an inhabitant of 



