430 Transactions of the South African Philosophical Society. 



Thies, A. v. Zerrenner, Carl. 



Thom, G. Hem arks on the geology of South Africa. 

 Cape Town, S. A. Quart. J., (1), 1, (1829-1830), 269-271. 



Thompson, George. Travels and adventures in Southern 

 Africa. 

 London, 2 ed., 1827, 2 vols., 8vo. 



Thomson, C. Wyville. Preliminary notes on the nature of the 

 sea-bottom procured by the soundings of H.M.S. Challenger during 

 her cruise in the " Southern Sea " in the early part of the year 1874. 

 London, Proc. Koy. Soc, 23, 1874-75, 32-49, pi. i.-iv. 



Thomson, Joseph. Notes on the geology of Usambara. 

 v. Johnston, Keith : Notes of a trip from Zanzibar . . . 558- 564. 



To the Central African lakes and back. 



London, 1881, 2 vols., 8vo, geol. sketch map. 



Jena, 1882 [German] . 



Notes on the basin of the Eiver Rovuma, East Africa. 



London, Proc. K. Geog. Soc, 4, 1882, 65-79, map. 



— — On the geographical evolution of the Tanganyika basin.. 

 London, Eep. Brit. Ass., 52, Southampton 1882, 622-623, map. 



To Lake Bangwelo and the unexplored region of British 



Central Africa. 



London, Geog. J., 1, 1893, 97-118, geol. sketch map. 



Thornton, R. On the coal found by Dr. Livingstone at Tete,. 

 on the Zambesi, South Africa. 

 London, Q. J. Geol. Soc, 15, 1, 1859, 556. 



Geologist, 2, 1859, 166. 



Phil. Mag., 17, 1859, 307. 



Notes on the Zambesi and the Shire. 



London, J. R. Geog. Soc, 34, 1864, 196-198. 



Thunberg, C. P. Travels in Europe, Africa and Asia, made 



between the years 1770 and 1779. [Vols. i. and ii., Cape of Good Hope 



and adjacent country.] 



London, 2 ed., 1795, 4 vols., 8vo, illustr. [Trans, from the Swedish.] 



Tobin, T. W. Notes from a diamond tour through South Africa. 

 London, J. Soc. Arts, 20, 1871-72, 351-354. 



Toit, A. L. du. [Reports on the geological survey of the Cape 

 Colony.] 

 v. Geological Commission, C. G. H., Annual report . . . 1903. 



