The technique of testing chemotherapeutic action on plasmodium gallinaceum.

endothelial exoerythrocytic both types of the geometrical of the of the a of saline (0.85 per cent NaCl in N/50 HCl). The reagents, 0.1 c.c. 0.3 per cent sodium nitrite, 0.1 c.c. 1.5 per cent ammonium sulphamate, and 0.1 c.c. 0.1 per cent naphthyl ethylene- diamine dihydrochloride, were then added to 2.5 c.c. of the supernatant, and the intensity of the fully developed colour was measured on a Spekker absorptiometer combined with a spot galvanometer.