Lerrs & Buake— The Carbonic Anhydride of the Atmosphere. 241 
Gillert, E.: 
“‘Welchen wissenschaftlichen Werth haben die Resultate der Kohlensdure- 
messungen nach der Methode von Dr. med. H. Wolpert.” 
O.P. Zeitschr. f. Hyg. 21 [1896], p. 282. 
Abs. Chem. Centrbl. [1896]. Bd. 1, p. 822. 
Gilm, H., v.: 
‘“‘ Ueber Kohlensdure-Bestimmung der atmosphirischen Luft.” 
O.P. Wien, Akad. Sitzber. 24 [1857], p. 279. 
Abs. Chem. Centrbl. [1857], p. 759. 
Girtanner : 
(Quoted as finding one per cent. carbonic anhydride in air.) 
Gilbert’s Annalen, 3 [1800], p. 79. 
Gottlieb, J.: 
‘¢ Notis uber v. Pettenkofer's Methode der Kohlensture-Bestimmung.” 
O.P. Wien, Akad. Sitzber. 60 [1869], Abth. 2, p. 363. 
Abs. Chem. News, 20 [1869], p. 261. 
», Chem. Centrbl. 14 [1869], p. 749. 
», Journ. prakt. Chem. 107 [1869], p. 488. 
», Fresenius’ Zeitschr. 9 [1870], p. 261. 
Grandeau : 
“ Journ. @ Agriculture Pratique.” 
Hadfield, W.: 
“© An account of some experiments to determine the quantity of carbonic 
acid in the atmosphere.” 1880. 
O.P. Mem. Lit. Phil. Soc. Manchester, 6, [1842], p. 10. 
Haldane, J.S.: 
“¢ Some improved methods of gas analysis.” 
O.P. Journ. of Physiology, 22 [1898], p. 465. 
Abs. Chem. Soc. Journ. Ads. Part 2. 74 [1898], p. 349. 
Haldane, J. S., and M. S. Pembrey: 
“An improved method of determining moisture and carbonie acid in ar.” 
(Paper read before Roy. Soc. May 2, 1889.) 
O.P. Phil. Mag. [5] 29 [1890], p. 306. 
», Chem. News, 59 [1889], pp. 256, 269. 
», Roy. Soc. Proc. 46 [1890], p. 40 (title of Paper only given). 
Abs. Chem. Soc. Journ. Ads. 58 [1890], p. 1188. 
», Chem. Centrbl. [1889], Bd. 2, p. 198, and [1890], Bd. 1, p. 835. 
», Berichte, 22 [1889], p. 512 (Referate). 
»,  Hofmann’s Jahresber. 12 [1889], p. 89. 
Hannén, F.: 
“Untersuchungen iiber den Hinfluss der physikalischen Beschaffen- 
heit des Bodens auf die Diffusion der Kohlensdure.” 
O.P. Wollny’s Forsch. 15 [1892], p. 6. 
Abs. Biedermann’s Centrbl. 22 [1893], p. 74. 
», Chem. Centrbl. [1893]. Dd. 1, p. 848. 
