THE ANIMAL KINGDOM. 



149 



cause clearly. Having inclosed in a box the chrysalis of 

 one of the butterflies which were then showintf themselves 



90. Great Tortoise-shell Butterfly— Vanessa polycJdoros. 



in great numbers, he was perfectly astoni.shed to see a 

 stain of scarlet-red at the spot Avhere the metamorphosis 

 had taken place ! 



The philosopher had really discovered here the cause 



fll. Caterpillar and Chrysalis of C4reat Tortoise-shell Butterfly. 



of the wondrous rains which had struck so many people 

 with stupor. Many butterflies indeed, a few moments 

 after they issue from their chrysalis swathing-clothes, 

 expel a thick coloured fluid which has accumulated in 



