DARWIN MEMORIAL. 101 



i88r. The Parasitic Habits of Molothrus. 

 Nature, XXV, 1881, pp. 51-52. 



1881. The Formation of Vegetable Mould through the action of worms, with 



observations on their habits. With illustrations. I2mo. London, 

 1881. 



1882. The Action of Carbonate of Ammonia on the Roots of certain Plants, and 



on Chlorophyll Bodies. 



Jour. Linn. Soc., London, X ? 1881, p. ?: Abstract in Nature, XXV, 1882, pp. 

 489-490. 



1882. On the Dispersal of Freshwater Bivalves. 

 Nature, XXV, 1882, pp. 529-530. 



