THE ARABIC NUMERALS AND CIPHER

I might, with a little more consideration, have referred "E.V." to several other authorities which he will do well to consult. 9. Wallis's *Algebra*, p. 9. and p. 153. of the additions. 10. *Phil. Trans*., Nos. 439. and 475. 11. Montucla, *Histoire des Mathématiques*, tom. i. chap. 2. 12. Baillie, *Histoire de l'Astronomie*. 13. Delambre1, *Hist. de l'Astr. du moyen age*. 14. Hutton's *Tracts* (8vo. ed. 1812.), vol. ii. (subject "History of Algebra") 15. Huet, *Demonstratio Evangelica*. 16. Dr. John Taylor's Translation of the *Lilawati*. (Bombay, 1816.) 17. Strachey's Translation of the *Bija…