PLATE CXI. 



[Part X.—Aj)ril 1907.] 



Taphuospira bathycharax, Bs., MS. South Andaman. 



Fig. 1. Part of animal from left side, showing left shell-lobe and extremity of foot, x J-'5. 



1 a. Right shell-lobe, x 4'5. [vs., visceral sac.) 



1 li Jaw, X 12. 



1 c. Genitalia, x 8. 



1 d. Left dorsal lobe and left shell-lobe, viewed from below, x 8. [iii, mantle-zone.) 



1 I'. Part of the spcrniathcca, x 2-i, with portions of capsules of sperniatopliores. 

 1/. Flume of a spermatophore, from above. 



Macrochlamvs exul, Theobald. South Andaman. 



Fig. ,'i. The mantle-zone removed from the animal : the right and left siicU-lobcs, x 15. 



2 a. The right shell-lobe, x 8. 

 2 b. The genitalia, x 8. 



2 c. Jaw, X 24. 



2 d. Teeth of the radula at different parts of the row. 



Sarika resplendens, Phil. Mcrgui. 



Fig. 3. Genitalia, with a spermatophore, x 4'5. 



3 a. End of the dart, x 4'5. 



Macrochlamys beata, G.-A. Daflu Hills. 

 Fig. 4. Teeth of the radula at different parts of the row, x 550. 



Macrochlamys razamiensis, G.-A. Naga Hills. 



Fig. 5. Teeth of the radula at different parts of the row, x 550. 

 5 a. Jaw, X 2 i. 



Macrochlamvs mauadeoe-Vsis, G.-A. North Cachar Hills. 

 Fig. G. Teeth of radula, x 500. 



Austenia durranqensis, G.-A. Durrang District, .\ssam. 



Fig. 7. Part of animal on the right side, near aperture : shell-lobes, x 8. 



7 u. Ditto, left side, showing left shell-lobe, x 8. 



7 b. Jaw, X 24. 



7 c. Central teeth of the radula, x 550. Laterals near the 45th tooth, x 950. 



