THE DIGESTIVE ENZYMES OK LEP1D0PTER A. 



function resembles rather that of the intestines of 

 Vertebrata. Krukcnberg s view that in Invertebrata 

 there is no part of the intestines that is comparable 

 with the stomach of Vertebrata, is true at least for 

 Lepidoptera, since there exists no genuine acid gastric 

 juice in them. 



