192 



THE VITAL FUNCTIONS. 



Figures 326, 327, and 328;* the first of which is 

 that of the caterpillar; the second, that of the 



328 



chrysalis ; and the third, that of the moth. The 

 whole canal and its appendages have been sepa- 

 rated frojn their attachments, and spread out, so as 

 to display all their parts ; and they are delineated 

 of the natural size, in each case, so as to show 

 their comparative dimensions in these three states. 

 In all the figures, a is the oesophagus ; b, the 

 stomach ; c, the small intestine ; d, the csecal por- 

 tion of the canal ; and e, the colon, or large intes- 

 tine. The hepatic vessels are shown at f ; and the 



* These figures also have been engraved from the drawings of 

 Mr. Newport, which he was so obhging as to make for me, from 

 preparations of his own, the result of very careful dissections. 



