Brain as an organ of mind / by H. Charlton Bastian.

  • Bastian, H. Charlton.
Date:
1880
Catalogue details

Licence: Public Domain Mark

Credit: Brain as an organ of mind / by H. Charlton Bastian. Source: Wellcome Collection.

    71/762 (page 53)
    In higher ver- tebrates, such as Birds and Mam- mals, we have this same fusion of gan- glia in the spinal cord(fig. 19), whilst a similar process also displays it- self to a more marked extent in the brain. In the higher forms of this series, and above all in Man himself, the gan- glia of the brain become more and more integrated, and some of these parts also take on an enormous development. The weight of the entire Brain, as compared with that of the Spinal Cord indeed un- Fig. 20.—General view of Nervous system of Man, from ’ ’ , behind. 1, Cerebrum ; 2, cerebellum ; 3, upper part of dergoes a great in- spinal cord. (Mivart.) crease in each divi- sion of the vertebrates. In the Lamprey this relation is said* to he as *013 to 1; in the Newt as *55 to 1; in the Pigeon as 3*5 to 1; in the Mouse as 4 to 1; whilst in * Marshall’s “ Outlines of Physiology,” vol. i. p. 406.