IO4 JOSEPHINE RANDALL AND HAROLD IIFATH. 



EXPLANATION OF FIGURES. 

 PLATE I. 



FIG. i. Diagrammatic view of .4 slerophilajaponica, left side, with the greater 

 portion of the pseudopallium removed, a, albumen gland; c, cerebral ganglion; 

 /, papilla-like foot; g, mantle fold; /, digestive gland or liver; m, mucous gland; 

 oy, ovary; p, buccal tube and pharynx with salivary glands, buccal ganglia, con- 

 nectives and commissures; r, seminal receptacle under which is dotted outline of 

 duct from ovary; ur, urino-genital opening; i>, visceral ganglion. 



FIG. 2. Diagram of anterior surface, e, e', openings of reproductive and ex- 

 cretory systems into pseudopallial space; g, mantle fold, the depth of the mantle 

 cavity indicated by broken line; h, heart; n, kidney; />, buccal tube; r, seminal 

 receptacle. 



