AUTHORITIES CITED IN
PART FOURTH.
[239] Compiled for author by Mr. K. P. McElroy.
[240] Volume First, pp. 356 et seq.
[241] Volume First, pp. 337 and 390.
[242] Volume Second, p. 81.
[243] Day: Mineral Resources of the United States, 1893, p. 713.
[244] Frankland: Agricultural Analysis, p. 240.
[245] Volume Second, p. 9.
[246] Annual Report Connecticut Agricultural Experiment Station, 1888, Part 1, p. 80.
[247] Rapport addressé par le Comté des Stations Agronomiques, 1887, p. 34.