234 



Messrs. J. E. S. Moore and W. B. Bandies. [Mar. 17,. 



Passing along the stomachic portion of the alimentary tnbe in 

 Nautilus, we find that besides the diverticulum of the so-called gizzard 

 there is another (fig. 2, sp. c). arising in conjunction with two con- 



Cu> Sf 

 FlG-. 1. — Gastric apparatus of Nass&psia nassa, dorsal aspect. Oe., oesophagus. 



C.s., cut-edge of wall of style-sac. Cu., its cuticular lining. St., 

 stomach proper. Sf., the two conspicuous folds leading into the 

 spiral esecum, Sp. c. Bd., aperture of " bile duct." Int., intestine. 



Fig. 2. — Dissection of gastric apparatus of Nautilus pompilius, dorsal aspect. Bd 

 arrow indicating position of aperture of " bile duct." Cr., so-called- 

 crop. Other letters as in Fig. 1. 



