( xi^ ) 



TABLE OF PRINCIPAL ADDITIONS AND CORRECTIONS. 



(Continued.) 



First 

 Edition. 

 Vol. II. 



Page 



23 



23 



24 



43 



72 



105 



120 



123 



135 



to 



141 



149 



152 

 230 

 273 



281 



Second i 

 Edition.! 

 Vol. I. 



Page 



467 



467 

 469 



Vol. II, 



17 



48 

 83 

 99 



103 



134 

 215 



262 



271 



Additional facts with respect to the inherited effects 

 of circumcision. 



Dr. Brown-Sequard on the inherited effects of opera- 

 tions on the Guinea-pig. 



Other cases of inherited mutilations. 



An additional case of reversion due to a cross. 



Inheritance as •limited by sex. 



Two varieties of maize which cannot be crossed. 



Some additional facts on the advantages of cross- 

 breeding in animals. 



Discussion on the effects of close intei-breeding in 

 the case of man. 



Additional cases of plants sterile with pollen from 

 the same plant. 



Mr. Sclater on the infertility of animals under con- 

 finement. 



The Aperea a distinct species from the Guinea-pig. 



Prof- Jiiger on hawks killing light-coloured pigeons. 



Prof. Weismann on the effects of isolation in the 

 development of species. 



The direct action of the conditions of Life in causing 

 variation. 



Mr. Romanes on rudimentary parts. 



Some additional cases of correlated variability. 



On Geoffroy St. Hilaire's law of " sol pour soi." 

 The chapter on Pangenesis has been largely altered 

 and re-modelled ; but the essential principles re- 

 main the same. 



