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It can be taken for granted that medical periodicals reflect the current scientific thought, but textbooks reflect the more mature consideration of the trends of our sciences. This is very interestingly demonstrated in this the latest book on diseases of the cerebrum and cerebellum, which is the nineteenth volume of a new system of medicine edited by G. H. Roger, F. Widal and P. J. Teissier. Two previous volumes related to neurology have already appeared, volume 8, which considers the endocrine disorders, and volume 18, which discusses the symptomatology of some cerebral disorders. Three more volumes are still to appear: volume 20 on diseases of the bulb, cranial nerves, meninges and spinal cord; volume 21 on neuralgias, the sympathetic system and the neuroses; volume 22 on muscular affections, dystrophies and allied topics.
This volume contains a series of monographs by various authors who have been exceedingly well chosen. The opening