PL VI. 



Fig. 1. Cyelophorus [Myxostoma] Inglisianus, n. sp., p. 148. — 1, na- 

 tural size, la, lb, le front, top and lower views, twice 

 the natural size. 



Fig. 2. Pterocyclus ater, n. sp., p. 149, — 2, 2a, 2b, front, top, and 

 umbilical views, and 2c, operculum ; all figures in natural 

 size. 



3. Diplommatina cameola, n. sp., p. 152. — front and side views. 



4. Dipl. \_Palaina~] crtspata, n. sp., p. 153, — ditto. 



5. Georissa liratula, n. sp., p. 157, 5c, represents the internal 

 side of the operculum. 



6. Georissa Blanfordiana, n. sp., p. 158. 



Fig. 

 Fig. 

 Fig. 



Fig. 

 Fig. 



7-10. Clausilia Philippiana, Pfr., p. 174. — 7, a series of teeth 

 of the radula, the numbers indicate the distance of the 

 teeth from the centre line ; 8, the body with the dif- 

 ferent organs exposed ; 9, the generative organs j 

 10, the jaw. 



ft.- 



—foot. 



i. — intestines. 



t.- 



-eye-pedicle. 



st. — stomach. 



oe.- 



—mouth. 



alg. — albuminous gland. 



mr 



— retractile muscle of the 



h. — heart. 





body. 



k. — kidney. 



a — 



-anus. 



/. — lungs. 



ab.- 



— part of mantle-edge. 



p. — penis. 



sg.- 



—salivary glands. 



vd. — vas deferens. 



mo. 



— muscle of the oral parts. 



m. — retractile muscle. 



mt. 



— right mantle side. 



pr. — prostata. 



li.- 



-liver. 



hd. — hermaphrodite duct. 



ut.- 



—uterus. 



hg. — hermaphrodite gland. 



cd>~ 



—appendage of the recep- 

 taculum seminis. 



ho. — herm. opening. 



