Abstract

References
1.
Shore
R. A.
Andrew
R. L.
, Bull. Depts. of Health and Scientific and Industrial Research , New Zealand.
2.
Canterbury Agric. Coll., N.Z., Annual Report , 1931 .
3.
Canterbury Agric. Coll., 2nd Int. Rep. on Feeding Sheep with Potassium Iodide , 1931 .
4.
Reps. Dept. Scientific and Industrial Research, N.Z., 1931 , p. 22, and 1932, p. 18 .
5.
Aston
B. C.
N.Z. Journ. of Agric. , 1930 , xii , 14 .
6.
Wright
C. M.
Taylor
N. H.
N.Z. Journ. Sci. and Tech. , 1931 , xiii , 57 .
7.
Aston
Grimmett
Brogan
Sykes
N.Z. Journ. Sci. and Tech. , 1931 , xii , 304 .
8.
Aston
B. C.
, Trans. and Proc., N.Z. Institute , 1928 , lix
650 .
9.
Easterfield
Rigg
Askew
Bruce
Journ. Agric. Sci. , Cambridge , 1929 , xix , 573 .
