44 



Page 

 Pfeiffer, Dr. Louis (continued). 



Description of a new Pupina and two new Heli' 

 cinas, froin the Collection of H. Cuming, Esq 1850, 97 



Descriptions of New Land Snells from the Collec- 

 tion of H. Cuming, Esq 185 1 , 147 



Descriptions of Forty-three New Species of Cyclo- 

 stomacea, ūom the Collection of H. Cuming, Esq. . . 1851, 242 



Descriptions of Fifty-four New Species of Helicea, 

 from the Collection of H. Cuming, Esq 1851, 252 



Descriptions of Sixty-six New Land Shells, from the 

 Collection of H. Cuming, Esq 1852, 56 



Descriptions of Eighteen New Species of Land 

 Shells, from the collection of H. Cuming, Esq 1852, 83 



Descriptions of Fourteen New Species of Land 

 Shells, from the Collection of H. Cummg, Esq. .... 1852,135 



Descriptions of Twenty-four New Species of Land 

 Shells, collected hy M. Salle on the Island of St. Do- 

 mingo, from Mr. Cuming' s Collection 1852, 138 



Descriptions of Fourteen New Species of Opercu- 

 lated Land Shells from Mr. Cuming' s Collection .... 1852, 144 



Descriptions of Twelve Species of Land Shells, from 

 New Zealand 1852, 147 



Descriptions of Eight Species of Land Shells, from 

 the Island of Mauritius 1852, 149 



Descriptions of Nineteen New Species of Land 

 Shells, collected by M. Bourcier, Consul-General, 

 Quito 1852, 151 



Descriptions of Eighteen New Species of Land 

 Shells, from the Collection of H. Cuming, Esq 1852, 156 



Descriptions of Twenty-three New Species of Land 

 Shells, from the Collection of Hugh Cuming, Esq. . . 1853, 48 



Descriptions of Eighteen New Species of Land 

 Shells, from the Collectious of Mr. Dennison and ]\Ir. 

 Cuming 1853, 57 



