INT^-STINAL STRUCTURE. 



201 



the gullet; and in the butterfly is ePxlrrged into a 

 honey stomach 



5 



1 



2 3 4 



Intestinal canals of the caterpillar, pupa, and biitterfl)'. 



1. Caterpillar, o, tlie ossopliagus. b, the stomach, c d, the 



two large intestines. 



2. Pupa Uvo days old. «r, the cesophagus. 6, the stomach, c d, 



the I'vvo huge iiUestiues. 



3. Pupa tig^At days old. a, dilation of the cesophagus, forming 



the crop or honet/stommk. 

 A. Pupa iianiediately before its transformation. «, the honej'- 



stonsach become a lateral appendage of the cesophagus. b 



the stomach, c d, the large intestines. 

 5. Bu'terfly. «, honey-stomach, fc, the digesting stomach, c d, 



the large intestines, become very long. 



It is remarkable that in men of such extraordinary 

 appetite as amounts to a disease (Bulimia, Cullen), 

 the natural capacity of the stomach, which, accord- 

 ing to Blumenbach, contains about three pints,=*^ 

 is very much enlarged. This was peculiarly the 

 case with Tarare, an Italian juggler, who, from swal- 

 lowing flints, whole baskets of fruit_, &c, seems 

 to have enlarged the capacity of his stomach so as 

 to render his appetite insatiable. M. Tessier, of the 

 Infirmary at Versailles, where Tarare died of con- 

 sumption, found on examination that his stomach 



* Blumenbach, Physiol., s. xxiii. 



