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S. Maggi. — Di una abitazioue lacustre in Valencia, 221. 



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Rapporti sni progressi dalle Seienze. I. Sopra alcuni 



recenti stiidj di CMmica Organica. Del Dr. Luigi Gabba. 8vo. 

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Moscow. Bulletin de la Societe Imperiale des Natiu-alistes. Annee 

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H. Trautschold. — Ueber die Erhaltungszustande russischer Ammo- 

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Nature (Journal). Vol. iv. Nos. 101-104. October 1871. 



J. Tyndall, — On the bending of Glacier-ice, 447. 



J. B. Pow.— The Dinnington Boulder, 467. 



W. O.Williamson, — Exogenous Structures amongst the Stems of the 

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W. Thomson. — On the Structure of the Palaeozoic Orinoids, 496. 



W. T. T. Dyer and W. R, M-^Nab.— Exogenous Structure in Coal- 

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