THE MANUAL OF CONCHOLOGY. 



Founded by the late Geo. W. Tryon, Jan., continued by Henry A. Pilsbry, 

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The Manual of Conehology is a fully illustrated monography of recent 

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The First Series, Marine Univalves, of which seventeen volumes have 

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The Monograph of the But i mi is now completed with Index. Separate 

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The monograph of the Urocoptiilac has also been completed, and Vol. XVII. is 

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THE IRISH NATURALIST. 



A MONTHLY JOURNAL OF GENERAL IRISH fJATURAL HISTORY. 

 BOTANY. ZOOLOGY. GEOLOGY. 



Edited by GEO. H, CARPENTER, B.Sc, and R. LLOYD PRAEGER, B.A. 



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