413 
1906-7.] Donations to the Library. 
Olan (J. W. Th.). Trisectio Arcus et Anguli. Gothenburg, 1906. 4to. 
Parkhurst (J. A.). Researches in Stellar Photometry. ( Carnegie Inst. Pub., No. 33.) 
Washington, 1906. 4to. 
Pearl (Raymond). Variation and Differentiation in Ceratophyllum. ( Carnegie Inst. 
Pub., No. 58.) Washington, 1907. 8vo. 
Pochmann (Em.). “Warmeist nicht Kalte, und Kalte ist nicht Warme.” Linz,, 
1890. 8vo. 
— Ueber zwei neue und zwar dynamicale, durch innere actuelle Energie 
wirkende Eigenschaften der atmospharischen Luft. Linz, 1896. 
Pratt (Edwin A.). Licensing and Temperance in Sweden, Norway, and Denmark. 
London, 1907. 8vo. 
The Licensed Trade : an Independent Survey. London, i 907. 8vo. 
Richards (T. W.), and G. S. Forbes. The Energy Changes involved in the Dilution 
of Zinc and Cadmium Amalgams. ( Carnegie Inst. Pub., No. 56.) Washington, 
1906. 8vo. 
and G. E. Behr. The Electromotive Force of Iron under Varying Condi- 
tions and the Effect of Occluded Hydrogen. ( Carnegie Inst. Pub., No. 61.) 
Washington, 1906. 8vo. 
The Compressibilities of the Elements, and their Periodic Relations. 
(Carnegie Inst. Pub., No. 76.) Washington, 1907. 8vo. 
— Further Researches concerning the Atomic Weights of Potassium, Silver, 
Chlorine, Bromine, Nitrogen, and Sulphur. By T. W. R., in collaboration with 
Arthur Stachler, G. S. Forbes, Edward Mueller, and Grinnell Jones. (Carnegie 
Inst. Pub., No. 69.) Washington, 1907. 8vo. 
Riefler (Dr S.). Zeitiibertragung durch das Telephon. Elektrische Ferneinstellung 
von Uhren. Miinchen, 1906. 4to. 
St Louis Exhibition. Report of his Majesty’s Commissioners for the International 
Exhibition, St Louis, 1904. London. 8vo. (Presented by Royal Commission, 
St Louis Exhibition, 1904). 
St Louis International Exhibition, Royal Commission, 1904. The British Section. 
Compiled by Sir Isidore Spielmann, F.S.A. 1906. 4to. 
Samuel (John S.). Scottish History : its Importance as a Scientific Study and its 
Place in the Curriculum of Scottish Schools. Edin., 1907. 8vo. 
Scripture (E. W.). Researches in Experimental Phonetics : The Study of Speech 
Curves. (Carnegie Inst. Pub., No. 44.) Washington, 1906. 4to. 
Seler (Eduard). Codex Borgia. Eine altmexicanische Bilderschrift der Bibliothek 
der Congregatio de Propaganda Fide. Band II. Berlin, 1906. 4to. (From 
his Excellency the Duke of Loubat.) 
Stead (David G.). Fishes of Australia : A Popular and Systematic Guide to the 
Study of the Wealth within our Waters. Sydney, 1906. 8vo. 
Stevens (N. M.). Studies in Spermatogenesis, with especial reference to the 
“ Accessory Chromosome,” 2 parts. (Carnegie Inst. Pub., No. 36.) Washing- 
ton, 1905-06. 8vo. 
— Studies on the Germ Cells of Aphids. (Carnegie Inst. Pub., No. 51.) 
Washington, 1906. 8vo. 
Stevenson (J. J.). The Carboniferous of the Appalachian Basin. Washington, 
1903-07. 8 vo. 
Thurston (Edgar). Ethnographic Notes in Southern India. Madras, 1906. 8vo. 
