278 TRANSACTIONS OF THE CANADIAN INSTITUTE. [VOL. I. 



karyosomata numerous and sometimes large (ks). The plasmosomata of 

 which there are two to each nucleus are usually large and irregular in 

 shape. Corrosive sublimate. Hsem., eosin. Xiooo. 



Fig. 8. From the pancreas of a specimen of Diemyctylus deprived of 

 food for five weeks. Corrosive sublimate. Haem., eosin. 



Fig. 9, From the pancreas of a specimen of Diemyctylus removed 

 forty-five hours after an intra-abdominal injection of o.4mgrm of pilo- 

 carpin. Corrosive sublimate. Haem., eosin. Xiooo. 



Figs. lo and 1 1. From the pancreas of specimens oi Amblystouia pnnc- 

 tatiim (developing into adult condition). Fig. lo, a-f^ drawn from the 

 same pancreas. Corrosive sublimate. Haem., eosin. Xiooo. 



Fig. 12. Cells lining the pancreatic ductlets of Diemyctyhis, showing 

 in their interior cytolysed and chromatolysed products a and b, from the 

 pancreas 24 hours and one hour respectively after the intra-abdominal 

 injection of pilocarpin. Corrosive sublimate. Haem., eosin. Xiooo 



