Excerpt from Brain-Weight and Size in Relation to Relative Capacity of Races: Read Before the American Association for the Advancement of Science, at Buffalo, N. Y., 25th August, 1876 But it must not be overlooked that, apart from structural differ ences, relative, and not absolute mass and weight of brain has to be considered, otherwise the elephant and the whale would take the fore most place. The brain of the porpoise, Professor Huxley remarks/t is quite wonderful for its mass, and for the development of the cerebral convolutions but it is the centre of a nervous system of corresponding capacity, while as compared with the size of the animal, the brain is not relatively large. Vogt states the weight of the human body to be to the brain, on an average, as 36 to 1 whereas in the most intelligent animals the difference is rarely less than 100 to 1.

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