Math. Courses.
Orr, William S., editor. *5918 .2 The circle of the sciences; a series of treatises on the principles of science, with their application to practical pursuits. New edition. London: R. Griffin and co. fetc.] 1860. 9 v. Illus- trated. Sm. 8°. Contents .-Vol..1. Organic nature; The principles of physiology, by the editor; Structure of the skeleton and teeth, by Prof. . . »« Varieties of the (Continued)