﻿XX PROCESS-BLOCKS AND OTHER ILLUSTRATIVE FIGURES. 



Fig. Page 



1. Sketch-inap showing the course of the Nile from Aswan to 



Qena 667 



2. Generalized section from Jebel Silsila to Darau 670 



1. General map of the district east of Pretoria, illustrating the 



distribution of the Glacial Conglomerate 680 



2. Section through the Glacial Conglomerates and coal-bearing 



strata, north of Balmoral (Transvaal) 682 



3. Glacial Conglomerate at Toits Kraal, near the junction of the 



Elands and Olifants Rivers, Transvaal 684 



4. Glaciated surface at Klipfontein, 6 miles north -north-west of 



Balmoral (Transvaal) 686 



1, Microscope-section of antigorite, showing ophitic structure in 



magnetite 702 



2. Slaty serpentine from the Gorner Grat, sliced generally 



parallel with the microfoliation 710 



ERRATA. 



P. 51. The tabulated comparative measurements of metacarpals are to be 



read as given in inches, not in millimetres. 

 P. 424, line 13 from the top. For ' St. Mary's-Well Bay, Sully ' read 



'Cadoxton.' 

 P. 470, line 19 from the bottom. For ' Halicodiadema read * Hehcodiadema. 



Vol. LX (1904). 



P. 394, second footnote. For 'vol. iii (1891-92)' read 'vol. iv (1893-95) 

 p. 90 ' ; and add ' Trans. Manch. Geol. Soc. vol. xxiii (1894-95) p. 65.' 



