45 



Page 

 Pfeiffer, Dr. Louis (continued). 



Descriptions of Nineteen New Species of JIelicea, 

 from the Collection of Hugb Cuming, Esq 1853, 124 



Descriptions of Forty-two New Species of Helix, 

 from the Collection of H. Cuming, Esq 1854, 49 



Descriptions of Four New Species of Bulimus, from 

 the Collection of H. Cuming, Esq 1854, 57 



Descriptions of Six New Species of Auriculacea, 

 from the Collection of H. Cuming, Esq 1854, 121 



Descriptions of Sixteen New Species of Helicea, 

 from the Collection of H. Cuming, Esq 1854, 122 



Descriptions ofElevenNew Species oWyclostomacea, 

 from the Collection of H. Cuming, Esq 1854 126 



Descriptions of Twenty-three Species of Helicea, 

 from the Collection of H. Cuming, Esq 1854, 145 



Descriptions of Seven Species of Cyclostomacea and 

 -4MncM?acefl, from Mr. Cuming's Collection 1854, 150 



Descriptions of Fifty-seven New Species of Helicea, 

 from Mr. Curaing's Collection 1854, 286 



Descriptions of Three New Species of Pythia 1854, 298 



Descriptions of Eighteen New Species of Cyclosto- 

 macea, from Mr. Cuming's Collection 1854 299 



A Monograiih of the Genera 22ea?ta and //y Jrocewa 1854, 304 

 Descriptions of Tvventy-seven Nevv Species oiAcha- 

 tinella, from the Collection of H. Cuming, Esq., col- 

 lected by Dr. Newcomb and Mons. D. Frick in the 

 Sandwich Islands 1855 j 



Descriptions of Nine New Species of Land Shells, 

 also from the Collection of Mr. Cuming 1855 7 



Descriptions of Forty-seven New Species of Helicea, 

 from the šame Collection I855 91 



Description of a Nevv Genus and Twenty-three Nevv 

 Species of P«eM?wowo/jo»ja, from the šame Collection . 1855, 101 



Descriptions of Nine New Species of Helicea, from 

 the šame Collection I855 yoq 



