INTESTINAL STRUCTURE. 



201 



the gullet; and in the butterfly is enlarged into a 

 lioney stomach 



Intestinal canals of the caterpillar, pnps, and butterfly. 



1. Caterpillar, o, the (esophagus, b, the stomach, c rf, the 



two large intestines. 



2. Pupa tvo days old. o, the oesophagus. 5, the stomach, c rf, 



the f.vo large intestines. 



3. Pupa cifA< days old. a, dilation of the crsophagus, forming 



the crop or honey-stomach. 



4. Pupa inniiediately before it.s transformation, u, the honey- 



stomach become a lateral appendnee of the crsophagus. 6, 

 the stomach, c (/, the large intestines. 



5. Bn'terlly. n, honey-stnmath. 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, Cullen), 

 the natural capacity of the stomach, which, accord- 

 ing to Bhimcnbach, contains about tlirce pints,* 

 is very nmch enlarged. Tiiis was peculiarly the 

 case with Tararc, an Italian juggler, wlio, liom swal- 

 lowing flints, wliole baskets of fruit, &c, seems 

 to have enlarged the capacity of his stomach so as 

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

 Infirmary at Versailles, wiiere Tarare died of con- 

 sumption, found on examination that his stomach 



* Bluinenbacli, Physiol., s. xxiii. 



