Keywords: Principles of Psychology (James) v1 p14.png en The brain of the frog <P>Fig 1 ”C H Cerebral Hemispheres; O Th Optic Thalami; O L Optic Lobes; Cb Cerebellum; M O Medulla Oblongata; S C Spinal Cord </P> <P>From the first edition of The Principles of Psychology by William James 1890 vol I page 14 <P> 1890 https //archive org/details/principlesofpsyc001jame Internet Archive scan of the book William James other versions PD-old-100-1923 Principles of Psychology 1890 Animal brain Amphibian nervous systems |