NTESTINAL STRUCTURE. 



201 



tLe gullet, and in the butterfly is enlarged into a 

 honey stomach. 



Intesrinal canals of the caterpillar, pupa, and butterfly. 



1. Caterpillar, «, the oesophagus, b, the stomach, c d, the 



two large inte^itines. 



2. Pupa two days old, a, the oesophagus, h, the stomach, c d, 



the two large intestines. 



3. Pupa eight days old. a, dilation of the oesophagus, forming 



the crop or honey-stomach. 



4. Pupa iu)mediafely before its transformation, a, the honey- 



stomach become a lateral appendage of the oesophagus. 6, 

 the stomach, c d, the larg:e intestines. 



5. Butterfly, a, honey-stomach, b, 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, Cui len), 

 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. 



