Proc, Roy, Soc. Ed in,, VoL XVI, Plate IV 
Fig. 2. — Transverse section through the deep portion of the mucous membrane 
of the “ intermediate ” .compartment, from near the cardiac cavity. The 
cardiac type of gland is well seen. Peripheral cells (a); axial cells ( b ); 
delicate inter tubular connective tissue (c). x 200, 
Fig. 1 . — Fig. 2 of Plate III. x 200. Delicate intertubular connective tissue 
(a). Peripheral cells contained in meshes of tine stroma. Axial (b) and 
peripheral cells (c) both present. Between the rows of peripheral cells 
lymph and blood channels are seen. x 200. 
