THE ACADEMY OF SCIENCE OF ST. LOUIS

W. Trelease
1899 Science  
the slow process of natural selection, were not likely to be changed. The general impression that the seal is a very intelligent animal was thought to be partly explainable by the fact that its non migratory relatives, such as the sea lion and the hair seal, are in reality much more adaptable, not being possessed of the powerful and unvarying instincts of the fur seal.
doi:10.1126/science.9.231.786-a fatcat:x7l4r7nkz5h4xcltv3xmft6opy