[43] The species common here is allied to T. stricta, but is not, I think, identical.
[44] The best general account of the geology of Brazil that I have seen is contained in a short paper by Orville A. Derby, entitled, “Physical Geography and Geology of Brazil.” It was published in the Rio News, in December, 1884, and, through the kindness of Mr. Geikie, i have seen a reprint in the library of the School of Mines.
[45] Proceedings of the Royal Geographical Society for 1879, p. 564.
[46] See his valuable work, “Climats, Géologie, Faune et Géographie Botanique du Bresil.”
[47] “Klimatologie,” p. 382.
[48] Darwin’s estimate of the height was one thousand feet, while Professor Moseley gives double that amount. I incline to think that the lower figure is nearer to the truth.
[49] I borrow this statement from the excellent “Lehrbuch der Klimatologie,” by Dr. Julius Hann. Stuttgart, 1883.
[50] See Reports of the British Association for the Advancement of Science for 1882, pp. 451–453.
[51] It is remarkable that there is no reference to the investigations of M. de St. Robert, and the formula deduced from them, in the article on the “Barometrical Measurement of Heights,” in the new edition of the Encyclopædia Britannica.
[52] Published by the War Department, United States Army, Professional Papers of the Signal Service, No. xv.