266 E. W. CARLIER 



Immediately beneath this network the cell bodies are slightly further 

 apart from each other and again approximate somewhat at the level of the 

 nuclei which cause a slight bulging. Below the level of the nucleus the cell 

 body tapers rapidly to a pointed attached extremity, leaving a relatively 

 wide intercellular lymph space through which the bridges can be very clearly 

 seen passing, therefore beneath the level of the cément net the whole sur- 

 face of each cell is surrounded by a lymph space traversed by inter-cellular 

 bridges. 



The bridges are best studied by making a séries of very thin (in) hori- 

 zontal sections parallel with the surface of the mucous membrane. 



In such a séries from within outwards one sees first of ail, the free ends 

 of the columnar cells side by side, but separated from one another by a 

 narrow interval, which is merely the dip of the collapsed gastric cavity. 

 Immediately below this the cells appear as a mosaic let into the meshes 

 of a network of cément substance — the cernent net of Cohn (i). 



Below this again sections of the cell bodies exhibit a clear centre filled 

 with mucigcn surrounded by a narrow ring of deepîy stained protoplasm, 

 the cell bodies being separated from each other by a narrow clear space 

 bridged across at close intervais by processes of the protoplasmic ring pas- 

 sing from one eell to another. The bridges are comparatively thick. The 

 spaces between them often contain a little coagulated lymph which stains 

 faintly and renders them somewhat difficult to distinguish clearly. 



Still lower down on a level between the mucigen cup and the nucleus 

 the cross sections of the cells hâve the ordjnary protoplasmic appearance 

 throughout, and the inter-cellular bridges are somewhat longer and nar- 

 rower. The bridges springing from a single cell vary in number at any one 

 level from five to nine in the case of the cat, and the clear intervais between 

 them are distinctly visible owing to contrast with the deeply stained sub- 

 stance of the cells and bridges. 



At the level of the nuclei the inter-cellular lymph space is again some- 

 what narrower and the bridges are correspondingly shorter. 



Below the nuclei the cells taper rapidly and the tissue appears on 

 transversë section as if made up of a number of stars united by six or 

 more rays. 



The attached ends of the cells are fixed to a slight condensation of the 

 subjacent connective tissue, which is also full of lymph spaces that commu- 

 nicate freely with those between the cells. 



(i) Loc.cit, 



