248 AMERICAN JOURNAL 



4. On the enemies of the Oyster and their ravages. 



5. Oyster-culture in the Charente-inferieure. 



6. On Mussels {^lytihis) and their culture. 



7. On the introduction of exotic mollusks into the basin of 

 Arcachon. 



Among the species thus introduced and thriving are Venus 

 mercenaria, Ostrea Vlrginica. 



8. On other species of edible mollusks of the Gironde. 



9. Catalogue of Marine Mollusks. 

 10. Geographical Distribution. 



Journal de Conchyliologie. Edited by Messrs. Crosse and Fischer. Tliird 

 Series, Vol. VII , No. 2. Paris, April, 1867. 



^ote siir 671 genre intermediaire entre les Aseidiens et les Mol- 

 lusques lamellibranclies. By 11. Crosse. 

 The genus indicated by the title of this paper is Rkodosoma, 

 Ehrenberg, 1828 =z Schizascus, Stimpson, Proc. Philada, Acad. 

 1855. A list of the species and their bibliography is given. 



jSiir le It/ssus du Pecten vanus. By P. Fischer. 



N'ote sur le Dreissenaflivviatilis^ Pallas. By Jules Mabille. 



Quelques mots sur V acclimatation des Dreissena en France. 

 By P. Fischer. 



Note complementaire sur VHelix Celebensis, PfeiflFer. By 

 M. Souverbie. 



Catalogue dcs 3follusques testaees marins des cotes de VJEs- 

 'pagne et des ties Baleares. By Dr. J. Gonzales Hidalgo. 



Note complementaire sur le Pisidium Watsoni et VHelix Lu- 

 seana, de Madlre. By the Baron do Castello de Paiva. 



Descrijytion d'un genre nouveau et de plusieUrs esp^ces inedi- 

 tes ^yrovenant de la Nouvelle-CaUdonie. By H. Crosse. 

 Marginella 3Iariei, Creostilhia Oaledonica, 

 Diplommatina Mariei, Bulimus Mariei, Crosse k Fischer. 

 Hydrocena coturnixy " pseudocaledonicus, Montrouzier. 



Creostilhia, n. g., allied to Ccecilianella. 



Description d'une nouvelle esp^ce de Kellia des mers 

 d' Europe. By P. Fischer. 

 Kellia Mac-Andrewi, North coast of Spain. 



Pescriptions d'especes nouvelles. By H. Crosse. 

 Voluta Tissotiana, Hab. — ? CylindrelJa Swiftiana, Hab. — ? 



Bulimus Mahillei, Columbia, Streptaxis Peshayesianus, " 

 Helix Xantliochroa, Hab. — ? " decipicns^ Chili. 



