ii 



Plate 15, Fig. 1. — Oolitic Limestone (?Rhat>tic), Nam Sawm. x 17. 

 ,, 15 „ 2. — Oolitic Limestone (Rhoetic), Loi-Lam. x 29. 

 „ 16. — Tertiary Strata at Man-se. 



„ 17. — Travertine Dams at the conflux of the Namyau with the 

 Niim-Tu. 



„ 18. — Travertine Dams in the Namyau. 



„ 19. — Travertine Dams in the Ke-laung stream, Wetwin. Showing 



the projecting edge of the "growing" surface of the tufa. 

 ., 20. — Fishing weir built on a travertine Dam in the Namyau. 

 „ 21. — Railway-Cutting in Travertine, near Hson-oi. Showing the 

 cavernous nature of the deposit. 



„ 22. — View from Manglang (F-l) looking S. S. E. towards the Nam- 

 Tu. Showing the position of the Lilu Overthrust. 



„ 23, Section 1. — Western Scarp of Plateau. Tonbo to Thabyegyin. 



„ „ „ 2 Do. do. . Along Memauk Spur. 



„ „ „ 3 Do. do. . Chaung-Magyi valley. 



., „ „ 4. — Across the Nam Tu Valley at Lilu. 



.. 24 ,, 1. — Across centre of Loi-len Range. 



., „ „ 2. — Near eastern end of Loi-len Range. 



., „ „ 3. — Ranges east of Mong Yai, from Man-pong to the 

 Nam Ha. 



„ 25. — Camarocrinus asiaticus Reed, upper surface, natural size. 



., 26. — Camarocrinus asiaticus Reed, lower surface, natural size. 

 S = Stem, C = Collar. 



„ 27. — Napeng Fossils, all natural size. 



FIGURES IN THE TEXT. 



Page. 



Fin. 1.— The Nam Tu at Hsipaw 26 



„ 2. — The Ruby Mines, Mogok. Taung Me in the background 44 



„ 3. — The Chaung-Magyi at Gwegyaung. Hpataunggyi in the 



distance ......... 62 



B 4.— The Kyaukmo Falls 124 



,. 5. — Section at Thondaung ....... 169 



„ 6. — Section near Loi-hkaw ....... 255 



„ 7. — Section at Kehsi Mansam ...... 259 



., 8.— The Gokteik Gorge, from the ' ' Natural Bridge " . .283 



„ 9. — " Dyke " of white Tertiary clay in Plateau Limestone, 



near Man-kiin ........ 315 



., 10. — Contortion in Plateau Limestone, near Zebingyi . . 333 



., 11. — Branches of the Hpawng-aw R. on the Plateau of 



Hsum Hsai . ....... 338 



