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Insects of three several orders are here depicted as emerged, or emerging from 

 their pupa cases. On the right, are two caterpillars of the small Tortoiseshell 

 Butterfly ( Vanessa Urticcs), suspended to the stalks of nettles for their second 

 transformation. They are hung pendent by means of hooks passing through 

 silken loops woven to the stalks ; and through the skin of the lowest, which is 

 rent at the shoulders, appears the head of the emerging chrysalis, or pupa. To 

 the left of these, and suspended in like manner, hangs the chrysalis itself, or, 

 more properly, its empty skin, on which, recently come forth, stands the But- 

 terfly, with wings hung down for more complete expansion. On the nettle- 

 leaf below, are two empty, barrel-shaped pupa cases of flies, sometimes parasitic 

 on the same caterpillars ; of these, one is prepared for flight, while the other, more 

 recently emerged, appears with wings still damp, white, and crumpled. To the 

 left, on a stalk of marestail (Equisetum), is the pupa of a Dragon-Fly (jEschna 

 raria), from whence, through a rent on the shoulders, the perfect insect is 

 " coming out." One emerged appears on wing at a distance in pursuit of its 

 butterfy prey. 



