[A] See article by Mr. Taylor on The Scoured Bowlders of the Mattawa Valley, in the American Journal of Science, March, 1897, pp. 208-218.
[B] For opportunity to do this work I am indebted to the interest of President S. R. Callaway, of the New York Central Railroad. The measurements were made by Mr. George S. Tibbits, engineer of the western division. The photographs were taken by Mr. C. F. Dutton, of Cleveland.
[C] Such an extraordinary man as Booker T. Washington is an honor to any country and worthy of unlimited confidence and regard.
[D] The last United States census puts our coal lands at something more than 225,000 square miles.
[E] "This deposit occurs as far north as the southern shores of Lake Ontario, and thence extends in an almost continuous manner through Pennsylvania, Virginia, Kentucky, and Tennessee to central Alabama."—N. S. Shaler's The United States of America, vol. i, p. 432.
[F] If we accept the reclaimable area given above as approximately correct, and apply a system of irrigation, it can be cultivated, "and made the happy home of an industrious people more than equaling in number the inhabitants of the United Kingdom of Great Britain and Ireland."—J. N. Irwin, in Forum, vol. i, p. 742.
[L] W. Allyne Ireland, in an address before the University of Pennsylvania.
[M] See Coffee and India-Rubber Culture in Mexico. By Matias Romero, late Mexican minister to the United States.
[N] The average yields of tropic produce were made out with the assistance of the CyclopÆdia Britannica, Coffee and India-Rubber Culture in Mexico (Romero), and statistics obtained at the Philadelphia Commercial Museums. The amounts of the imports were taken from the United States Report on Commerce and Navigation for 1897.
[O] It appears that he afterward made the strange request for an anarchist to be appointed guard of the prison, and was irritated when it was denied. (See A. Gautier, Le procÈs Luccheni. Vienna, 1899.)
[P] See my Delitto politico, Part III, and Gli Anarcici, second edition.
[S] To the charges made against me by M. Gautier (Le procÈs Luccheni, 1899) of having formulated a diagnosis without seeing the patient, which was therefore inexact, and of having described characteristics of degeneration which did not exist, I answer with the pages of Forel, certainly the most eminent alienist of our time, who had him under his eyes during the whole process, and whose diagnosis differs but little from mine.
[T] A History of French Literature. By Edward Dowden, D. Lit., LL. D., etc. New York: D. Appleton and Company. 1897.
[U] In preparation of this article the author has consulted chiefly the following: John Gerarde, The Herball or General Historie of Plants, 1597; Shakspere, Edward Dowden, 1872; William Shakespeare, Works, Globe edition, 1867; Natural History of Shakespeare, Bessie Mayou, 1877; Shakespeare's England, William Winter, 1894; The Plant lore and Garden-craft of Shakespeare, H. F. Ellacombe, 1896; The Gardener's Chronicle, sundry pamphlets, and shorter articles.
[V] The Foundations of ZoÖlogy. A Course of Lectures delivered at Columbia University on the Principles of Science as illustrated by ZoÖlogy. By William Keith Brooks, Ph. D., LL. D., Professor of ZoÖlogy at Johns Hopkins University. Pp. 339. The Macmillan Company.
[W] The History of Mankind. By Prof. Friedrich Ratzal. The Macmillan Company. Vol. III, pp. 599.
[X] The Development of English Thought. A Study in the Economic Interpretation of History. By Simon N. Patten, Ph. D. New York: The Macmillan Company. 1899. $3.
[Y] Nature Study for Grammar Grades. A Manual for the Guidance of Pupils below the High School in the Study of Nature. By Wilbur S. Jackman. Danville, Ill.: The Illinois Printing Company. Pp. 407.
[Z] Fertilizers. The Source, Character, and Composition of Natural, Home-made, and Manufactured Fertilizers; and Suggestions as to their Use for Different Crops and Conditions. By Edward B. Voorhees. New York: The Macmillan Company. Pp. 335. Price, $1.
[AA] Commercial Organic Analysis. A Treatise on the Properties, Proximate Analytical Examination, and Mode of Assaying the Various Organic Chemicals and Products employed in the Arts, Manufactures, and Medicine. By Alfred H. Allen. Third edition. Illustrated. With Revisions and Appendix by the author and Henry Leffmann. Vol. I. Introduction. Alcohols, Neutral Alcoholic Derivatives, Sugars, Starch and its Isomers, Vegetable Acids, etc. Philadelphia: P. Blakiston, Sons & Co. Pp. 557. Price, $4.50.
The same work. Second edition. Revised and enlarged. Proteids and Albuminous Principles, Proteids or Albuminoids. Same publishers. Pp. 584. Price, $4.50.
[AB] The Porto Rico of To-day. Pen Pictures of the People and the Country. By Albert Gardner Robinson. New York: Charles Scribner's Sons. Pp. 240, with maps. Price, $1.50.
[AC] The Principles of Biology. By Herbert Spencer. In Two Volumes. Vol. I. Revised and enlarged edition. New York: D. Appleton and Company. Pp. 706. Price, $2.
[AD] Matter, Energy, Force, and Work. A Plain Presentation of Fundamental Physical Concepts, and of the Vortex-Atom and other Theories. By Silas W. Holman. New York: The Macmillan Company. Pp. 257. Price, $2.50.
