Letts & Bhaxe—The Carbonic Anhydride of the Atmosphere. 237 
Dumas, Jean Baptiste, and J. B. Boussingault : 
“* Recherches sur la véritable constitution de Pair atmosphérique.” 
O.P. Compt. Rend. 12 [1841], p. 1005. 
Annales de Chimie, 3 [1841], p. 257, 
Journ. prakt. Chem. 24 [1841], p. 64. 
Pogg. Annalen, 53 [1841], p. 391. 
Liebig’s Annalen, 40 [1841], p. 230. 
Bibl. Uniy. 33 [1841], p. 363. 
Dupré, Aug. and H. W. Hake: 
“On two new methods for the estimation of minute quantities of 
carbon, ete.” 
O.P. Chem. Soc. Journ. Trans.{35 [1879], p. 168. 
Dunnachie, W. J.: 
‘* Report on the air of Glasgow, chiefly relative to enclosed spaces 
and smoke.” 
Als. Chem. News, 39 [1879], p. 248. 
Ebermayer, Ernst, and Swappach : 
(1) ‘‘ Mittherlungen tiber den Kohlensduregehalt eines bewaldeten und 
nichtbewaldeten Bodens.” 
O.P. Naturforscher Versammlung zu Mtinchen [1877], p. 218. 
O.P. Landw. Vers. Stat. 23 [1879], p. 64. 
Abs. Chem. Soc. Journ. 34 [1878], p. 1001. 
,. Berichte, 10 [1877], p. 2234. 
(2) ‘* Mittherlungen iiber den Kohlensduregehalt der Waldluft und des 
Waldbodens im Vergleich su dem einer nicht-bewaldeten 
Elache.” 
O.P. Wollny’s Forsch. 1 [1878], p. 158. 
O.P. Biedermann’s Centrbl. 7 [1878], p. 644. 
Abs. Chem. News, 38 [1878], p. 288. 
',,  Naturforscher, 11 [1878], Nr. 11. 
Ebermayer, Ernst: 
‘“* Die Beschaffenhert der Waldluft” (Stuttgart, 1885). 
O.P. Miinchen, Akad. Sitzber. [1885], p. 299. 
Abs. Chem. News, 54 [1886], p. 185. 
»,  Biedermann’s Centrbl. 15 [1886], p. 289. 
Eliot, C. W., and F. H. Storer : 
‘ On the extreme difficulty of removing the last traces of carbonic acid 
Srom large quantities of air.” 
O.P. Amer. Acad. Proc. 5 [1860-1862], p. 62. 
Chem. News. 3 [1861], p. 178. 
Emmett, Lieut.-Col. : 
““ Experiments made during a voyage, and at Bermuda, on the car- 
bonic acid in the atmosphere.” 
(Communicated by John Dalton, p.c.u.) 
° 0.P. Phil. Mag. [3], 11 [1837], p. 225. a 
