Conversation so far:
What is the empirical test of pangenesis and Lamarckism by Francis Galton?
In a long series of experiments in 1869 to 1871, Francis Galton transfused the blood between dissimilar breeds of rabbits, and examined the features of their offspring.
Did Francis Galton develop the empirical test?
In a long series of experiments in 1869 to 1871, Francis Galton transfused the blood between dissimilar breeds of rabbits, and examined the features of their offspring.
What was Francis Galton hoping to prove by transfusing the blood between dissimilar breeds of rabbits, and examining the features of their offspring?
Francis Galton wanted to disprove that charactersistics were inherited through the blood
Did Francis Galton consider the test of transfusing the blood between dissimilar breeds of rabbits, and examining the features of their offspring a failure?
Francis Galton found no evidence of characters transmitted in the transfused blood.
Did Francis Galton ever respond when Darwin questioned the validity of his experiment, transfusing the blood between dissimilar breeds of rabbits, and examining the features of their offspring?

Question: What year did he conduct the experiment?
Self-contained rewrite: What year did Francis Galton conduct the experiment to disprove that characteristics were inherited through the blood?