OF MEEGTTI AND ITS AECHIPELAGO. 



161 



Mergui, Owen and Sullivan Islands. Allied to C. Cantori, 

 Bens., from Penang Island, in which, however, the last whorl is 

 distinctly more inflated above and below ; also C. Cantori varies 

 considerably in size at the same locality, for instance, between 

 diam. maj. 21 and 27. 



5. Lagochiltjs scissimaego, Benson ; Stanford, Ann. Sf Mag. 

 Nat. Hist. (3) xiii. p. 452 ; Conchol. Ind. pi. 6. fig. 7. 



Sullivan Island. 



6. Leptopoma yiteeum, Chemnitz ; Reeve, Conch. Icon. xiii. 

 pi. iii. fig. 15. 



Uniformly white variety. Diam. 16, alt. 16, apert. 10 millim. 

 Sullivan Island. Nicohars, Salang, most islands of Maalyan 

 Archipelago. 



7. Leptopoata aspieans, Benson, Conchol. Ind. pi. 6. fig. 4. 

 Sullivan Island ; only a young specimen. Tenasserim and Pegu. 



8. Megalomastoma (Coptochiltjs) sectilabee, Gould, Bost. 

 Joum. Nat. Hist. 1844, vol. iv. p. 459, pi. 24. fig. 10 ; Conchol. Ind. 

 pi. 7. fig. 3. 



King Island. Penang, Perak. 



9. Helicina aeakanensis, Blanford, Contribtttions to Indian 

 Malacology, v. 1865, p. 21 ; Conchol. Ind. pi. 6. fig. 9 ; Pfeiffer, 

 Mon. Pneum. iv. p. 283. 



Sullivan Island. Araltan, Pegu, Andaman Islands. 



STYLOMMATOPHOEA. 



10. Nanina (Heaiiplecta) eeteoesa, Gould, Bost. Joum. 

 Nat. Hist. 1844, iv. p. 455, pi. 24. fig. 5 ; Pfeiffer, Monogr. Heli- 

 ceorum, i. p. 77, Helix, pi. 110. figs. 4-6 ; Conchologia Indica, 

 pi. 25. fig. 6. 



Sinistral, distinctly perforate, the keel blunt in full-grown 

 specimens. Young specimens are comparatively higher than 

 adult ones. 



Pataw, Mergui ; Elphinstone, Sullivan, King, and Owen Islands. 

 Also collected previously by Eev. Fr. Mason at Tavoy, and by 

 Theod. Philip pi at Mergui. 



11. Nantsa (Kottilaeia) anceps, Gould, loc. cit. iv. p. 454, 

 pi. 24. fig. 4 ; Pfeiffer, Mon. Hel. i. p. 80, Helix, pi. 88. figs. 8-10 ; 

 StoliczJca, Joum. As. JSoc. Bengal, vol. xl. pt. 2, p. 231, pi. 17. 

 figs. 1-3 ; Conchol. Ind. pi. 30. fig. 1. 



Sharply carinated, nearly imperforate. 



Mergui and Sullivan Island. Tavoy, Moulmein. 



