ADDITIONS TO THE LLBEART. 259 



Spezia, G. Sull' origine del Solfo nei Giacimenti Solfiferi della 

 Sieilia. 8vo. Turin, 1892. 



Spurrell, F. C. J, Notes on rude implements from the North 

 Downs. Svo. London, 1892. 



Stapff,F.M, Zur Diluvialfrage. Svo. Kiel, 1890. 



Beobachtungen an den in Kreide eingebetteten Diluvial- 



ablagerungen K-iigens. 8vo. Berlin, 1891. 



— . Gebogener Marmorpfosten im Patio de la Mezquita der 

 Alhambra zu Granada. Svo. Berlin, 1891. 



— . Les Eaux du Tunnel du St. Gothard. 4to. ? Berlin, 1891. 



. Remarks on Prof. Bonney's paper " On the Crystalline 



Schists and their Relation to the Mesozoic Rocks in the Lepon- 

 tine Alps." Svo. London, 1892. 



StolceSj A, H. See Great Britain. 



Struckmann, C. Ferdinand Roemer. 4to. Dresden, 1892. 



Stuart, A, J. The World and the Flood. Svo. Shanklin, 1891. 



Suess, E. Das Antlitz der Erde. Band i. 2^ Auflage. Svo. 

 Yienna, 1892. Purchased. 



Switzerland. Commission der geologiscTien Kai^te der Schweiz. 

 Beitrage. 25^ Lieferung. Geologie der Hochalpen zwischen 

 Reuss und Rhein, von Albert Heim, mit einem Anhang von 

 petrographischen Beitragen von Carl Schmidt. 4to. Bern, 1891. 



. . . 31^ Lieferung. Ueber die fluvioglacialen 



Ablagerungen der Nordschweiz, von Leon du Pasquier. 4to. 

 Bern, 1891. 



Syme, D. On the Modification of Organisms. Svo. London, 1892. 



Texas. Geological Survey. E. T. Dumble, State Geologist. Report 

 on the Geology and Mineral Resources of the Central Mineral 

 Region of Texas, by T. B. Comstock. Svo. Austin, 1891. 



Thompson, Beehy. The Oolitic Rocks at Stowe-Mne-Churches. 

 Svo. Northampton, 1891. 



— . Report of the Committee to work the very Eossiliferous 

 Transition Bed between the Middle and Upper Lias in North- 

 amptonshire. Svo. London, 1892. 



-, and W. D. Crick. Excursion to Northamptonshire. Svo. 



London, 1891. 

 Thugutt, S. J. Mineralchemische Studien. Svo. Dorpat, 1891. 



