OF CONCHOLOGY. 



179 



Faune malacologique terrestre et fluviatile des lies Viti, 

 d'aprh les envois de M. le Dr. Edouard Grceffe. By 

 Albert Mousson. 



This is the fourth memoir on the above subject by Prof. 

 Mousson. The following are the new species and varieties : 



Oyclophorus [Ostodes) diatretus, Gould, var. intercostata, Mous- 

 son. 



Diplommatina Pomaticeformis, Melania Samoensis, Reeve. 



suhregularis, 

 " G-odeffroyanay 



" ascendens, 



" tuberosa, 



" Martensi, H. Ad. 



" . var. macro stoma y 

 " quadrata, 



" fuscula, 



Realia ingens, 

 " / costulata, 

 " circumltneata, 

 " subsoluta, 

 " longula, 

 " bifilaris, Mousson. 

 var. angustata, 

 Hydrocena brevissima, 

 Truncatella turricula, 

 " funiculus, 



Helicina fulgora, Gld. 

 var. expansa, 

 " tectiformis, 

 " interna, 

 " Seniperi, 

 " musiva, Gld. 

 var. Vitiana, 

 var. subcarinata, 

 Melania plicatilis, 



" plutonis, Hinds, 

 var. callosa, 



var. exposita, 

 " Ovalana, Mousson. 



" M. perpinguis, Gld, 



" non Hinds. 



var. plicato costata, 

 var. Kanathiana, 

 " subexusta, 



var. persulcata, 

 var. albizonata, 

 " Assavaensis, Mousson. 



" var. desidcata, 



" Te^'psichore, Gld. 



var. Mangoensis, 

 " turritelloides, 

 " teirica, Gld. 



var. tumida, Mousson. 

 Neritina Pritchardi, Dohrn. 

 var Vitiana, 

 " cornuta, Reeve. 



var. Pacifica, 

 " frondosa, 

 " olivacea, Le Guillou. 



var. Vitiana, 

 " Garretti, 



" deZ^ozc?ea, Garrett, MS. 

 Navicella Schmeltziana. 



" Freycineti, Recluz. 

 var. Vitiensis, 



Diagnosis Mollusci 7iovi, reipublicce Mexicance incolce. By 

 H. Crosse and P. Fischer. 



Zonites Tuxtlensis. 



Description d'un Athoracophorus inedit provenant de la 

 Nouvelle Caledonie. By H. Crosse and P. Fischer. 



