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Mendel's Law of Heredity

$450.00

8 offprints by Jaques Loeb 1859-1924 Physiologist and biologist

$800.00

6 scarce offprints by Eduard Strasburger 19th Century botanist

$650.00

Six Scarce Offprints including Zur Theorie der Tierischen Entwicklung

$600.00

Uber Sphaerozoum und Thalassicolla

$400.00

18 offprints of American zoologist G. H. Parker

$350.00

Ueber Philosophie der Darwin'schen Lehre

$750.00

The Numerical Law of the Germ Cells

$500.00