PLATE XXI. 



[Part 111.— Jamtari/ 1883.] 



Sculpture of portion of last whcrl near aperture, x 50; viewed from above, tlie aperture 

 directed towards the bottom of the diagram. 

 Fig. 1. Macrochla.mvs indica, Bs. Calcutta. 



2. PETRosA, Hutton. Rajmahal. 



.3. sPLENDENs, Hutton. Mussoorie. 



4. , near lubhica, Bs. Dafla Hills. 



5. , species undetermined. Lhota Naga. 



6. DAELAENsis, G.-A. Dafla Hills, Assam. 



7. CASTANEO-LAB1.4T.4, (}.-A. Naga Hills. 



8. M.A.SURIENS1S, G.-A. N.W. Himalaya. 



9. sYLHETENsis, G.-A. Chatak. 



10. HAKDwicKii, G.-A. Calcutta, 



11. Bensonia MoNTicoLA, Hutton, juv. Mussoorie. 



12. ditto, =LABiATA, Pfr. Mussoorie. 



13. 13 a. Mackochla.mys? pedina, Benson : first and second vhorls. Bombay. 



14. sTAEEORDi, G.-A. : ditto. Dafla Hills. 



15. DECUSSATA,, Bs. Khusi llills. 



16. Lo.NGiCAUDA, (t.-A. Khasi Hills. 



17. ? TE.\TR1NA, Bs. Pegu. 



