044 ANNUAL RECORD OF SCIENCE AND INDUSTRY. 



ALGEBRA. 



Hudson (W. H. H.). Algebra. By W. H. H. Hudson, M.A. Lon- 

 don : The Society for Promoting Christian Knowledge. 

 [Nature, XVIII., 641.] 



Petersen (Julius). Theorie der Algebraischen Gleichungen. Von 

 Dr. Jul. Petersen. Kopenhageu. 1878. (xii., 335 pp.) 

 [Nature, XIX., 3.] 



GEOMETRY. 



Euclides. Euclid. Books I. and II. Edited by W. H. H. Hudson, 

 M.A. London : The Society for Promoting Christian Knowledge. 

 [Nature, XVIII., 641.] 



Millar (J. B.). Elements of Descriptive Geometry. By J. B. Millar, 

 B.E. London : Macmillan & Co. 1878. 

 [Nature, XVIIL, 277.] 



RuSSell (J. Scott). Geometry in Modern Life ; being the Substance of 

 Two Lectures on Useful Geometry, given before the Literary Society at 

 Eton. By J. Scott Russell, E.R.S. Eton: Williams and Son. 1878. 

 [Nature, XVIIL, 380.] 



CYCLOIDS. 



Proctor (Richard A.). A Treatise on the Cycloid and all Forms of 

 Cycloidal Curves, and in the Use of such Curves in Dealing with the Motions 

 of Planets, Comets, etc., and of Matter Projected from the Sun. By Richard 

 A. Proctor. With 161 Illustrations and many Examples. London: Long- 

 mans, Green & Co. 1878. 



[Nature, XVIIL, 355.] 



[Popular (The) Science Review (2), XII., 294, 295.] 



LEAST SQUARES. 



Merriman (Mansfield). Elements of the Method of Least Squares. 

 By Mansfield Merriman, Ph.D., Instructor in Civil Engineering in the Shef- 

 field Scientific School of Yale College. London : Macmillan & Co. 

 [Nature, XVIIL, 299.] 



PROBABILITIES. 



Whitworth (W. A.). Choice and Chance. An Elementary Treatise 

 on Permutations, Combinations, and Probability. With 300 Exercises. By 

 W. A. Whitworth, M.A. Third Edition, Revised and Enlarged. Cam- 

 bridge : Deighton, Bell & Co. 

 [Nature, XVIIL, 666.] 



ASTRONOMY. 

 PERIODICALS. 

 See General : Periodicals Societies, p, 638 ; Magazines, p. 638. 



