638 DONATIOXS. 



Lea, I, Descriptions of 14 new si^ecies of Melanidce. 



. Descriptions of 11 new species of exotic Unionida:. 



. Descriptions of 24 new species of Unionidce. 



. Descriptions of a new species of Unio and a Monocondylcea. 



. Description of a new genus of the family Melanidce. 



. Descriptions of 11 new species of Melanidce. 



. Description of, and remarks on Planorhis Newherryi. 



— — . Descriptions of 6 new species of Unionidce from Lake Nyassa. 



. Descriptions of 6 new species of Succinea, &c. 



. Descriptions of 13 new species of Melanidoi. 



. Description of a new species of Planorhis. 



' . Descriptions of 5 new species of Lymnea. 



■ . Descriptions of 2 new species of Unionidce from Soutli Africa. 



. Descriptions of 24 new species of Physa. 



. Descriptions of 6 new species of Western Asiatic Unionidce. 



. Descriptions of 3 new species of exotic Uniones. 



. Descriptions of 8 new species of Unio. 1866. 



Lindstrbm, G. Nagra iakttagelser ofver Zoantharia rugosa. 1866, 



MacDermott, A. Pilote du golfe Saint-Laurent. Part 3. 1865. 

 From the Dejpot de la Marine. 



Malaise, C. Sur les silex ouvres de Spiennes. 1866. 



Marcou, J. Le Niagara qninze ans apres. 1865. 



Kew Zealand. Le Pilote de la Nouvelle-Zelande. Parts 1 & 2. 

 1865. From the Pepot de la Marine. 



Pengelly, W. On Kent's Cavern, Torquay. 1866. 



Plomley, J. The Sun, its structure and economy explained. New 

 theory of the geological formation of the earth. 1866. 



Pumpelly, R. Notice of an Account of geological ohservations in 

 China, Japan, and Mongolia. 1866. 



Eamsay, A. C. The Geology of North Wales ; with an Appendix on 

 the fossils, by J. "W. Salter. (Memoirs of the Geological Survey. 

 Yol. iii.) 1866. From the Director- General of the Geological 

 Survey of Great Britain. 



Eecherches sur les Chronometres et les Instruments Nautiques. 

 Part 8. 1865. From the Pepot de la Marine^ 



