Biology
Biology
DARWIN, C. R. (+) DARWIN, G. H.
Habits of ants (+) On the male..(London and New York, Macmillan and Co., 1873).
VRIES, HUGO de. - THE THEORY OF MUTATIONS UNFOLDED.
Die Mutationstheorie. Versuche..Leipzig, Veit & Comp., 1901-03.
MATTEUCCI, CARLO. - MAIN PAPERS ON ELECTROPHYSIOLOGY.
Electro-Physiological Research..(London, Richard and John E. Taylor, 1845).