[40] See Peterson. The Stigmata of Degeneration. State Hospitals Bulletin, vol. i, p. 327.
[41] The Last Link. Our Present Knowledge of the Descent of Kan. By Ernst Haeckel. Adam and Charles Black. 1898.
[42] Rivers of North America. A Reading Lesson for Students of Geography and Geology. By Israel C. Russell. New York: G. P. Putnam's Sons. Pp. 327. Price, $2.
[43] The Structure and Classification of Birds. By Frank E. Beddard. London and New York: Longmans, Green & Co. Pp. 548.
[44] Bush Fruits. A Horticultural Monograph of Raspberries, Blackberries, Dewberries, Currants, Gooseberries, and other Shrublike Fruits. By Fred W. Card. New York: The Macmillan Company. Pp. 537. Price, $1.50.
[45] The History of the World, from the Earliest Historical Time to the Year 1898. By Edgar Sanderson. With Maps. New York: D. Appleton and Company. 1898.
[46] Life, Death, and Immortality, and Kindred Essays. By William M. Bryant. New York: The Baker & Taylor Company.
[47] Elements of Sanitary Engineering. By Mansfield Merriman. New York: John Wiley & Sons. London: Chapman & Hall, Limited. Pp. 216. $2.
[48] An Epitome of Human Histology. By Arthur W. Weysse. New York: Longmans, Green & Co. Pp. 90. Price, $1.50.
[49] Elementary Botany. By George Francis Atkinson, Ph. D. New York: Henry Holt & Co. Pp. 444. Price, $1.25.