APPENDIX II. 



541 



On the Dispersal of Freshwater Bivalves. * Nature,' April 6, 1882, 



vol. XXV. p. 529. 

 The Action of Carbonate of Ammonia on the Roots of certain Plants. 



[Read March 16, 1882.] Linn. Soc. Journ. {Botany), vol. xix. 



1882, pp. 239-261. 

 The Action of Carbonate of Ammonia on Chlorophyll-bodies. [Read 



March 6, 1882.] Linn. Soc. Journ. {Botany), nq\. xix. 1882, pp. 



262-284. 

 On the modification of a Race of Syrian Street-Dogs by means of 



Sexual Selection. By W. Van Dyck. With a preliminary notice 



by Charles Darwin. [Read April 18, 1882.] Proc. Zoolog. Soc. 



1882, pp. 367-370. 



