MANDALAY— MIDDLE SIWALIK. 79 



Martaban System.— W. Theobald (Mem. Geol. Surv. hid., X, 328 

 1873) used this name for the schists and gneisses in the Tenas- 

 serim division of Burma, where, he says, there are " true crys- 

 talline rocks, undistinguishable in character from the ordinary 

 gneissose rocks of Bengal." Similar rocks occur further north 

 along the western border of the Shan plateau. 



iWaymyO limestone. — Sandy limestones, forming the main mass of 

 the Northern Shan States plateau and well exposed near the 

 hill station of Maymyo (22° 1' ; 96° 30'). Fossils found by T. H. 

 D. La Touche (Director's General Report for 1899-1900, 84), 

 indicated a Devonian or uppermost Silurian age. The name was 

 instituted by Datta (Gen. Rep., 1899-1900, 117), and has since 

 been discarded in favour of Plateau limestone (q. v.). 



Megalodon limestone.— See Para limestone. 

 Mekran. — See Makran. 



Melur Stage.— Named by R. B. Foote [Mem. Geol. Surv. bid., 

 XX, pp. 11, 14, 1883) after the village of Melur, Madura 

 district. Uppermost but one of the divisions of the crystalline 

 rocks of that area (see Allagiri stage). 



Meting shales. — The lower division of the Laki series is so distin- 

 guished by E. Vredenburg (Rec. Geol. Surv. bid., 86, 1906) ; from 

 Meting (25° 12' ; 68° 10') a station on the North-Western Rail- 

 way, south-west of Kotri and 83 miles from the terminus at 

 Karachi. The fossils of the Meting shales indicate a Lower 

 Lutetian age. 



Middle Siwalik. — In describing the Siwalik strata of the Sub-Hima- 

 laya of the United Provinces C. S. Middlemiss (Mem. Geol. Surv. 

 Inch, XXIV, 77, 82, 1891) adopted a petrological sub-division into 

 Lower Siwalik, or Nahan sandstone, Middle Siwalik, or Sandrock 

 stage, and Upper or Siwalik conglomerate. G. E. Pilgrim, how- 

 ever (Rec. Geol. Surv. Ind., XL, 191, 1910), adopted the name 

 Middle Siwalik for a definite fossiliferous horizon, found in the 

 Punjab Salt Range, and containing a fauna similar to that of 

 Pikermi and Samos taken as the standard of Pontian age. No 

 precise correlation is possible with the barren " Sand-rock " 

 beds of the United Provinces, but Pilgrim inclines to the conclu- 

 sion that this lithological stage of Middlemiss should be included 

 with the Upper Siwalik, corresponding to the Upper Siwalik of 

 the Salt Range, Pabbi Hills of Baluchistan and Kangra which 

 include a fauna distinctly younger than that of Pikermi. 



