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Preliminary Report on the Molluscan species col- 

 lected by the United States Scientific Expédition 

 to West Africa in 1889-1890. By Robert E. C. 

 Stearns (1893) 38 



Scientific Results of Exploration by the U. S. Fish 

 Commission steamer Albatross. — XXV. Report 

 on the Mollusk-fauna of the Galapagos Islands, 

 with descriptions of new species. By Robert E. C. 

 Stearns 38 



Instructions for collecting MoUusks, and other 

 useful Hints for the Conchologist. By William 

 H. Dali (1893) 43 



Obras Malacologicas de J. G. Hidalgo. — Atlas, livrai- 

 son 2 (1894). 44 



On rare or little known Mollusks from the West 

 Coast of North and South America, withdescrip- 

 lions of new species. By Robert E. C. Stearns (1893). 45 



Scientific Results of Explorations by the U. S. Fish 

 Commission steamer Albatross. — XXVI. Report 

 on the Pteropods and Heteropods collected by 

 the U. S. Fish Commission steamer Albatross, 

 during the voyage from Norfolk Va. to San Fran- 

 cisco Cal. 1887-1888. By James J. Peck (1893) 45 



Unionidae de l'Espagne, par Henri Drouët (1893) 49 



Les Mollusques marins du Roussillon, par E. Buc- 

 quoy, Ph. Dautzenberg et G. DoUfus. — Tome II. 

 Pelecypoda. Fascic. VIII et IX (1893) 50 



Die Mollusken des Sûsswasser. Von S. dessin (?) 53 



Aperçu sur des Mollusques nouveux ou peu connus 

 du Sud de l'Altaï et du Nord de la Dzoungarie. 

 Par E. Michaelis (1892) 54 



An Enumeration of the Janellidae. By C. Hedley (1892). 54 



On the genus Perrieria. By C. Hedley (1892) 56 



