EMBUYO BUTTERFLIES. 



135 



Fmbn-o bvitierflies (Pnntia Brns^ira), as they appear in the 

 bodies oVcHtt-rpillHS. 1 he winffs, antennse, and trunks in the 

 figures are sprea;! out to show ihem. 



Bv similar dissections, Malpighi both actually dis- 

 covered the moth in the body da silk worm, and also 

 the e^rgs of it;* and R aumur made a similar disco- 

 very in the caterpillar of the gypsey moth {IJijpogymna 

 dispar).'\ 



Femalo ol 1!k- |nrUct cabbage butterfly (Pontia brastica.) 



In order to harden the parts of the incipient butterfly 

 that are soil, Suammerdam immtrsed the caterpillar 

 in a ptiiai l.llcd with equal parts of vinegar and spirit 

 of wine for sixteen hours, when he found it would 



* Malpighi de Bombyce, 29. t Rtaumur, Mem. i, 359. 



