Chap. V.] GENERAL HISTOLOGY. 85 



5. Long tubes (ducts) with a vast number of branches end- 



ing in slight dilatations (racemose glands), e.g. salivary 

 glands, pancreas. 



6. Long tubes (ducts) ending in a network of inter-cellular 



canaliculi, which, in the rabbit, give off minute twigs 

 that pass into the substance of the liver cells, and 

 there terminate in vesicular enlargements. Liver. 



