312 



ADDITIONS TO THE LIBEA.EY. 



Tidlbery, S. A. Om lagerfoljden i de kambriska och siluriska aflag- 

 ringarnevid Edstanga. 8vo. Stockholm, 1880. 



. T venue nya graptolitsliigten. 8vo. Stockholm, 1880. 



. Ueber Versteinerungen aus den Aucellen-Schichten Novaja- 



Semljas. 8vo. Stockholm, 1881. 



Twelvetrees, W. H. On a Labyrinthodont Skull (Platyops RicJcardi, 

 Twelvetr.) from the Upper Permian Cupriferous Strata of Karga- 

 linsk near Orenburg. 8vo. Moscow, 1880. 



. On Theriodont Humeri from the Upper Permian Copper- 

 bearing Sandstones of Kargalinsk near Orenburg. 8vo. Moscow, 

 1880. 



United States. Geographical and Geological Survey of the Rocky- 

 Mountain Region. (J. W. Powell, in charge.) Eeport on the Geo- 

 logy of the High Plateaus of Utah, by C. E. Dutton. 4to ; Atlas 

 fol. Washington, 1880. 



. Geological and Geographical Survey of the Territories. Bul- 

 letin. Vol. Y. No. 4. 1880. 



. . . Vol. VI. No. 1. 1881. 



. . Miscellaneous Publications. No. 12. History of North 



American Pinnipeds : a Monograph of the Walruses, Sea-lions, 

 Sea-bears, and Seals of North America, by Joel Asaph Allen. 8vo. 

 Washington, 1880. 



. . Eeport. Vol. XII. Fresh- water Rhizopods of North 



America, by Joseph Leidy. 4to. Washington, 1879. 



Ussher, W. A. E. On the Geology of Parts of Devon and West 

 Somerset north of South Molton and Dulverton. 8vo. Taunton, 

 1881. 



Van den BroecJc, E. Du role de l'infiltration des eaux meteoriques 

 dans 1'alteratioD des depots superficiels. 8vo. Paris, 1880. 



. Memoire sur les phenomenes d'alteration des depots super- 

 ficiels par l'infiltration des eaux meteoriques etudies dans leurs 

 rapports avec la geologie stratigraphique. 4to. Brussels, 1881. 



. Observations nouvelles sur les sables diestiens et sur les 



depots du Bolderberg. 8vo. Brussels, 1881. 



Van den BroecJc, E., et If. Miller. Les Foraminiferes des couches 

 pliocenes de la Belgique. l re Partie. Esquisse geologique et pale- 

 ontologique des depots pliocenes des environs d'Anvers, par E. 

 van den Broeck. Fascicule 2. Les sables moyens et les sables 

 superieurs d'Anvers. 8vo. Brussels, 1878. 



Veiter, B. Die Fische aus dem lithographischen Schiefer in Dres- 

 dener Museum. 4to. Cassel, 1881. 



Victoria. Mineral Statistics of Victoria for the year 1879. 4to. 

 Melbourne, 1880. Presented by the Minister of Mines. 



