THE 



CYCLOPAEDIA 



OF 



ANATOMY AND PHYSIOLOGY. 



EDITED BY 



ROBERT B. TODD, M.D. F.R.S. 



FELLOW OF THE ROTAL COLLEGE OF PHYSICIANS; 



PHYSICIAN TO KING'S COLLEGE HOSPITAL J AND FORMERLY 



PROFESSOR OF PHYSIOLOGY AND OF GENERAL AND MORBID ANATOMY IN KING'S COLLEGE, 



LONDON, ETC. KTC. 



VOL. IV. PART II. 



STA 



WRI 



18491852 



LONDON 

 LONGMAN, BROWN, GREEN, LONGMANS, & ROBERTS. 



