viii CONTENTS 



VIII. THE SHAPES AND SIZES OF ANIMALS. 



PAGE 



The President's address delivered at the Manchester Micro- 

 scopical Society, 1889. Reprinted from the Society's 

 Transactions .116 



IX. SOME RECENT DEVELOPMENTS OF THE 



CELL THEORY 



The President's address delivered at the Manchester Micro- 

 scopical Society, February 6th, 1890. Reprinted from 

 the Society's Transactions . .159 



X. ANIMAL PEDIGREES. 



An address delivered before the Birmingham Natural 

 History Society, October i4th, 1890; and based upon 

 the Presidential address to the Biological Section of the 

 British Association at Leeds in September 1890. Re- 

 printed from the Midland Naturalist . . . .. .192 



XI. SOME RECENT EMBRYOLOGICAL 

 INVESTIGATIONS. 



An address delivered on the occasion of the Annual Conver- 

 sazione of the Manchester Microscopical Society, January 

 2ist, 1893. Reprinted from the Society's Transactions . 249 



XII. DEATH. 



The President's address delivered at the Manchester Micro- 

 scopical Society, February 2nd, 1893. Reprinted from 

 the Society's Transactions 271 



XIII. THE RECAPITULATION THEORY. 



The President's address to the Biological Section of the 

 British Association delivered at Leeds, September 1890. 

 Reprinted from the Transactions of the Association . 289 



