Note 175 — Chapter VI · NATURAL HISTORY OF CHINA.
Reading edition
N. C. Br. R. A. Soc. Journal, New Series, No. III., pp. 94-106, and No. IV., pp. 243 ff. Notes by Mr. Hollingworth of a Visit to the Coal Mines in the Neighborhood of Loh-Ping. Blue Book, China, No. 2, 1870, p. 11. Notes and Queries on China and Japan, Vol. II., pp. 74-76. North China Herald, passim. Richthofen’s Letters, and in Ocean Highways, Nov., 1873. Chinese Repository, Vol. XIX., pp. 385 ff.