PLATE CII. 



[Part X.— April 1907.] 



D.M.IXfilA BIH'TANKNSIS, 11. .sj). IJliiitaii Hills. 



Fig. 1. Slicll, natural size. 



1 a. Ditto, front view, x 2-5. 



2. Mantle-edge, showing dui^al lobes seen from aliovc, x 4'5. 



U a. Ditto, sliowing dorsal lobes viewed from below, X 4"5. 



J3. Portion of peripodial margin of tlie foot, x 8. 



1. Cleiierative organs, X 4'5. 



la. Ditto, male organ, reverse side, x 1-5. 



•1 h. Ditto, albumen-gland &c., x 45. 



5. .law, X 1,2. 



(i. Teeth of the radula at different parts of the row, x 368. 



