THE BOTANICAL EXPLORATION OF ARABIA, 
493 
Ulusil, A. — Nord Arabien. Vorbericbt liber die Forsclmiigsreise 
1908-9. 1909. 
Miisil, A. — Northern Ncgd. (It deals with a journey carried out 
in 1915, from A1 Jauf to Umm Jaraif, tlience to the llejaz railway, 
and back, skirting close to Hail to Najf in Iraq). 
— Nagclberg, S. — Kitab as-sagar. Ein botanisches Lexikoii. 
Kircbhain, 1909. 
1910. — Helm, E. — Yemen. Grundziige der Bodenplastik und ihr Ein- 
fluss auf Kbma und Lebewelt. Marburg, 1910. 
1910. — Berger, Alwyii. — Stapelien u. 'Kleinien einschliesslicli einigcr 
anderer verwandter Sukkulenten. Stuttgart, 1910. 
1911. — Bury, («. Wyman. — The Land of Uz. London, 1911. (This 
book deals with Aden Hinterland and its protected tribes). 
Bury, G. W\ — Arabia Infelix or the Turks in Yamen. London, 
1915. (Contains an interesting chapter on crops and climate). 
1911. — Diusmore, J. E. iiml G. Balmaii. — Die Phanzen Pala>stinas, auf 
Grund eigener Sammlung u. der Flora Posts u. Boissiers. Mit Beigabc; 
der arabischen Namen von G. Dalman. Zeitschr. d. Deutschen Pala)s- 
tinaver. 34 (1911) 1-38, 185-241. 
1913. — Crossland, Charles (1844-1916). — Mycologist;^ 
Crosslaud, C. — Desert and Water Gardens of the Red Sea. Being 
an account of the Natives and the Shore-formations of the Coast. 
London, 1913. 
1913. — ^^Schmidt, W. — Das siidwestliche Arabien. 2 Karten u. 13 Tabel- 
len. Frankfurt, 1913. 
1915. — Sliakespear, William Henry. — He joined the Indian Army in 
1898 and entered t|ie political service in 1903. Was political agent 
at Koweit. Here he made a collection of plants which are at the 
British Museum. He was killed in the course of tribal fightiug in 
1915. 
191t. — Philby, H. St. 3. B. — The Heart of Arabia, 1922. Contains a list 
of plants. 
193i. — Kaiser, A.— Swiss explorer of Arbon. 
Kaiser, A. — Die Sinaiwiiste. Mitteilungen der Thurgauischen 
Naturforschenden Gesellschaft, Frauenfeld 1922. 
1933. — Buxton, P. A. — Animal life in Deserts. London, 1923. (Plants 
are also considered). 
1933. — Cheesman, K. E. (Major). — In the Political Department. Travell- 
ed in E. Arabia,. His writings contain botanical notes. 
Cheesman, R. E. — From Oqair to the Ruins of Salwa. Geogr. 
Journ. 1923, Nov. 
