y 



THE 



ELEMENTS OF EMBEYOLOGY 



BY 



M. FOSTER, M.A,, M.D., LL.D., F.RS. 



PROrESSOR OF PHYSIOLOGY IN THE UNIVERSITY OF CAMBRIDGE, 

 FELLOW OF TRINITY COLLEGE, CAMBRIDGE, 



AND THE LATE 



FRANCIS M. BALFOUR, M.A, LL.D, F.R.S., 



LATE FELLOW OF TRINITY COLLEGE, CAMBRIDGE, 

 AND PROFESSOR OF ANIMAL MORPHOLOGY IN THE UNIVERSITY. 



EDITED BY 



ADAM SEDGWICK, M.A, 



FELLOW AND ASSISTANT LECTURER OF TRINITY COLLEGE, CAMBRIDGE, 



AND 



WALTER HEAPE, 



LATE DEMONSTRATOR IN THE MORPHOLOGICAL LABORATORY OF THE 

 UNIVERSITY OF CAMBRIDGE. 



^\ 



Hontion : 

 MACMILLAN AND CO. 



AND NEW YOEK. 

 1889 



[All Eights reserved.l 



