94 



PHYSIOLOGY OF THE INVERTED RATA. 



cuius, have been directly proved by the author^ to be 

 pancreatic in function. The secretion from these c£eca flows 

 into the chylific ventriculus, where digestion proceeds. 



In the carnivorous Libdlula (the dragon-fly) there is no 

 crop or gizzard, only the chylific ventriculus is present ; the 



* Griffiths, in Proe. Roy. Soc. Eduih., vol. 14, p. 237. 



