@book{bhlitem23488, title = {Genetic variations in relation to evolution; a critical inquiry into the observed types of inherited variation, in relation to evolutionary change }, copyright = {No known copyright restrictions as determined by scanning institution}, url = {https://www.biodiversitylibrary.org/item/23488}, note = {https://www.biodiversitylibrary.org/bibliography/4547}, publisher = {Princeton, Princeton University Press, 1935}, author = {Jennings, H. S. (Herbert Spencer),}, year = {1935}, pages = {156}, keywords = {Evolution|Variation (Biology)|}, }