OF WESTERN SIND. 337 



iii. Hill-scarp five miles north of Shah Ehtii, on the Naig Nai^ south-west of 

 Jhangara. Survey-number G ^£^. 



iv. Naig-Nai valley, twelve miles south of Shah Rhiii. Survey-number G 



302 

 40 • 



V. Scarp six miles south-east of Shah-beg. Survey-number G ^p. 

 vi. Four miles south-west of Beynir Hill. Survey-number G ^2^3^. 

 vii. About three miles south-east of Tong. Survey-number G ^o"- 

 viii. Survey-number G \^. 



ix. Ten miles north of Shah-beg. Survey-number G -^-g-. 



X. Scarp at Kiipo-jo-lak, or pass on the M61 range, west of Shah -beg (same locality 

 as G \^2^). Survey-number G ^7^. 



xi. Mazarani Nai. Survey-number G ^-. 



xii. Sita Nai, Khirthar range. Survey-number G 



298 

 3 ■ 



xiii. Upper part of the scarp of the Myhir plateau, west of Thana Shah-beg. 

 Survey-number G ^^3^. 



xiv. HiUs east of Thana Shah-beg. Survey-number G ^^-P-. 



XV. Hills east of Thana Shah-beg (nearing Pani gumbok from the west). Survey- 

 number G \%^. 



xvi. Pir Gaji, west of Sehwan. Survey-number G -f^. 



xvii. Nari Nai, Sehwan district. Survey-number G -4-7-. 



xviii. Amra Hill, Barri Nai, Shikarpur district. Survey-number G -f-^. 



xix. Mazarani Nai, hills west of Larkhana. Survey-number G ^g-. 



XX. Cliff-section of Kadeji gorge, about thirty miles east-north-east of Karachi. 

 Survey-number G -^. 



Illustrations of the Species in Plate LIII. 

 Fig. 1. Abactinal view of a regularly convex, subdepressed form : natural size. 



2. Longitudinal proiile of the same : natural size. 



3. Abactinal view of a high, subconical, and rather elongate, form : natural 



size. 



4. Longitudinal profile of the same : natural size. 



5. Aotinal view of the same : natural size. 



6. Abactinal view of a broad-petalled variety : natural size. 



7. The peristome and surrounding parts of the test : magnified. 



8. Abactinal view of a small subrotund test : natural size. 



9. Longitudinal profile of the same: natural size. 



10. Actinal view of the same : natural size. 



11. The peristome and surrounding parts, from the same specimen : magnified. 



12. Portion of an ambulacral petal, to show the ornamentation : magnified. 



13. Actinal view of a small tumid test: natural size. 



14. Longitudinal profile of the same : natural size. 



