14 MESSRS. LONGMANS' WORKS ON MEDICINE, SURGERY, ETC. 



PHYSIOLOGY, BIOLOGY, ZOOLOGY, ETC. continued. 



MORGAN. ANIMAL BIOLOGY. An Elementary Text-Book. By 

 C. LLOYD MORGAN, F.R.S., Principal of University College, Bristol. 

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SCHAFER. DIEECTIONS FOR CLASS WOEK IN PRAC- 

 TICAL PHYSIOLOGY : Elementary Physiology of Muscle and Nerve 

 and of the Vascular and Nervous Systems. By E. A. SCHAFER, LL.D., 

 F.R.S., Professor of Physiology in the University of Edinburgh. With 48 

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THORNTON. WORKS by JOHN THORNTON, M.A. 



HUMAN PHYSIOLOGY. With 284 Illustrations, some of which 

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ELEMENTARY BIOLOGY, Descriptive and Experimental. With 

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ELEMENTARY PRACTICAL PHYSIOLOGY, with 178 illus- 

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WALLER.-WORKS by AUGUSTUS D. WALLER, M.D., F.R.S., 

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AN INTRODUCTION TO HUMAN PHYSIOLOGY. With 

 314 Illustrations. 8vo, 18s. 



LECTURES ON PHYSIOLOGY. FIRST SERiES.-On Animal Elec- 

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