vanced students the ionelectron method is undoubt- tion-reduction equations." ibid., 4, 102140 (Aug., 1927); edly the most instructive. 1158-67 (Sept., 1927).

(4) WERNIMONT. GRANT, "Balancing chemical equations" (Car.), ibis., 9,1124-5 (June, 1932).

LITERATURE CITED (5) Orro, EARL, "Balancing chemical equations" (Carr.), ibid., 9,361-3 (Feb., 1932).

(1) 1. C-. Eovc., 8,2453 (D~c., 1931); 9,35&63,560,7514, (6) P ~ ~ ~ s B. W., "Balancing chemical equations "(Corr.), ibid., 9,7524 (Apr., 1932). 944-5, 1124-6, 1299-301 (1932); 10, 250, ,707 (1933); (7) J ~ ~ ~ ~ ~ ~ , O, c,, c b . Nms,42,51 (1880). 11, 125 (Feb.. 1934). (8) R E ~ T R , Orro, "Oxidation-reduction equations" (Corr.),

(2) DEWNC, H. G., "Balancing equations algebraically" (Corr.), rbid., 11,125 (Feb.. 1934). I . Cnsa. Enuc.. 7, 1689-93 (July, 1930); 11814 (May,

1930). (3) JETTE, E. R. a m LA MER, V. K., "The balancing of oaida- (9) Loc. cit., p. 1182.

Left to right: CLARENCB DECATUR, Tanma SWg, MARCARET McRns. C. E. HOLEN ( INSTBU~R) , FRANK MAYBDA, M ~ N E MULLIGAN

+ + + The annual chemisfry contestr conducfed by the Sacramenfo Valhy Section of the American Chemical Society

were initiated and have been confinued chiefly through the intered and activity of X r . J. H. Norton, chemistry imtructor at the Sacfo Junior College. The contests fake fhe form of competitive writfen esaminafions on the subject matter of elemenfary chpmhtry. All high schools in the Sacramnto Valhy, as well as fhe Reno and Sparks high schools of Nevada, are eligible to enter teams.

Roseville High School teams have won fhe contest in 1930, 1931, 1932, 1934. I n addition, members of Rose- vrllc teams have won the individual trophy cup in I929 and 1930. No special coaching i s given Rosevih t e r n in preparation for the contesfs.

The same team won the Pac~xc Coast American Chemical Sociefy confesf i n June, 1934. The examination was conducfed by Professor G. Roll~son, Chemistry Department, Univerdy of California.