Abstract

References
1.Amer. Soc. Clin. Path . (Kolmer and Boerner ), 1931 , “Approved Laboratory Technic” Andrewes, Lancet , 1910, (i), 1737, and (ii), 8, 83, and 153.
2.
Arkwright
, Journ. Path. and Bact. , 1927 , iii (Proc. of Soc.), 566 .
3.
Armstrong
, Proc. Roy. Soc. , 1925 , B. 98 , 525 ; Brit. Journ. Exp. Path., 1931, xii, 5, 279.
4.
Bull
, Journ. Exp. Med. , 1916 , xxiv , 26 .
5.
Durham
, Journ. Path. Bact. , 1897 , iv , 338 .
6.
Felix
Olitzki
, Brit. Journ. Exp. Path. , 1929 , x , 26 .
7.
Harvey
, Ind. Journ. Med. Res. , 1915–16 , iii , 646 .
8.
Heath
, Proc. Roy. Soc. Med. , 1924 , xvii (Sect. Path. 1–11).
9.
Smith
Henderson
Brooks
St. John
, Journ. Hyg. Camb. , 1912 , xii , 1 .
10.
Leishman
, Journ. Hyg. Camb. , 1905 , v , 380 .
11.
Lord
Nesche
, Journ. Exp. Med. , 1929 , 1 , 449 .
12.Coun. Med. Res. , “Bacteriology in Relation to Medicine” , 1931 , vol. vi , Immunity; and vol. ix, Technique.
13.
Rowland
, Journ. Hyg. Camb. , 1912 , xii , Plague Supplement, p. 367 .
14.
Topley
Wilson
, 1929 , “Principles of Bacteriology and Immunity” .
Wright
A. E.
Colebrooke
L.
, “Technique of the Teat and Capillary Pipette” , 1921 .
15.
Wright
H. D.
, Journ. Path. Bact. , 1927 , xxx , 2 , 185 ; ib. , 1930 , xxxiii , 4 , 925 .
