Published online by Cambridge University Press: 06 April 2009
The attempts of Chorine (1938), Gavrilov (1938), Gavrilov, Bobkoff & Laurencin (1938) and Rita (1940) to infect chick embryos with Plasmodium gallinaceum, using either a suspension of sporozoites or infected blood, yielded negative results. They tried inoculation by deposition of the infecting material on the chorion-allantois or by injection into a blood vessel of this membrane, and the negative results observed led Rita to make various deductions by comparing them with other infections which appear in the embryo and not in the adult animal.