by [_sic_] to be solde at Poules church yarde at the north
doore, In the signe of the By-bell, By Richard Jugge."

This last treatise is in smaller type than the others, and has no
general designation: it contains chapters on various subjects, e.g.
"The Signification of Baptism," &c.

Query 1. Is this volume well known? 2. Who were Urbanus Regius and
Walter Lynne?

G.P.

March 16. 1850.

* * * * *


REPLIES.

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.