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OUVRAGES REÇUS DE DIVERS SAVANTS 



Canestrini Giov., prof. — • Abozzo del sistema acarologico. 



Cliqffat, Paul — Le tertiaire de Fort-dii-Plasne. 



Marcou, Jules, prof. — 1. Jura, Neoconiian and Chalk of Ar- 

 kansas; — 2. Genesis of the Arietidae; — 3. The Ame- 

 rican Neocomian and the Gryphaea Piteheri; — 4. The 

 Triassic Flora of Richmond, Virginia. 



Nipher, Francis-E. — 1. Electrieal industries in St-Louis; — 

 2. The State weather service of Missouri. 



Omboni, Giov., prof. — Il cocco(hMllo fossile Steneosaurus Ba- 

 reUonif Zigno. 



Pihl, O.'A.'L. — The stellar Cluster x Persei. 



Thoulet, J. — L'étude des lacs en Suisse. 



Watson, R.-Boog (Rév.) — The marine moUusca of Madeira. 



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