By the same Author. 



{Preparing.) 



A MANUAL OF THE DISEASES OF THE BRAIN, 

 SPINAL CORD, AND NERVES. Crown 8vo. 



THE MODES OF ORIGIN OF LOWEST ORGAN- 

 ISMS: including a Discussion of the Experiments 

 of M. Pasteur, and a Reply to some Statements by 

 Professors Huxley and Tyndall. Crown 8vo. 

 187 1. 4^. 6d. 



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