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TRANSFORMATIONS OF INSECTS. 
provide another coat. The perfect insects are represented upon 
the stem of the lily. 
The larva of another beetle, which is closely allied to the species 
just described, has almost as curious a protection. It may be seen 
on artichokes and large thistles. It is broad, flat, and has long, 
pointed, or spiny hairs fixed to its sides, and a fork-shaped 
THE METAMORPHOSES OF Lina pOpllli. 
appendage, which is attached to the end of the body and curved 
forwards above the insect. The vent is situated at the base of 
this appendage, and the matters coming from it stick on to the 
fork which is hoisted up above the body with the lump of dirt 
upon it like a parasol. 
The poplar trees are frequently much damaged by some 
species of the genus Lina. The adult beetle is of a green 
bronze colour, and has red elytra, but the larva is yellow and is 
