16 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 58 



Trans. Manchester Geol. Soc Transactions of the Manchester Geo- 

 logical Society, Manchester. 



Trans. Mg. Ass. Inst. Cornwall Transactions of the Mining Associa- 

 tion and Institute of Cornwall, Cam- 

 borne. 



Trans. North of England Inst. Mg. Transactions of the North of England 

 Mech. Eng. Institute of Mining and Mechanical 



Engineers, Newcastle-upon-Tyne. 



Trans. New York Acad. Sci Transactions of the New York Acad- 

 emy of Sciences, New York. 



Trans. Proc. Roy. Soc. New South Transactions and Proceedings of the 

 Wales. Royal Society of New South Wales, 



Sydney. 



Trans. Roy. Geol. Soc. Cornwall Transactions of the Royal Geological 



Society of Cornwall, Penzance. 



Transvaal Mines Dep. Rep. Geol. Surv. Transvaal Mines Department, Report 



of the Geological Survey, Pretoria. 



Trav. Sci. Univ. Rennes Travaux Scientifiques de I'Universite 



de Rennes, Rennes. 



U. S. Geol. Surv United States Geological Survey, 



Washington, D. C. 



For publications of, see Ann. Rep. Dir. 

 U. S. Geol. Surv.; Monogr. \j. S. 

 Geol. Surv.; U. S. Geoi. Surv. Prof. 

 Pap.; U. S. Geol. Surv. Bull.; U. S. 

 Geol. Surv. Min. Res. U. S. Cal. 

 Year; Spec. Publ. U. S. Geol. Surv. 



U. S. Geol. Surv. Bull United States Geological Survey Bulle- 

 tin, Washington, D. C. 



U. S. Geol. Surv. Min. Res. U. S. Cal. United States Geological Survey, Min- 

 Year. eral Resources of the United States. 



Calendar Year, Washington, D. C. 



U. S. Geol. Surv. Prof. Pap United States Geological Survey, Pro- 

 fessional Paper, Washington, D. C. 



Verb. k. k. geol. Reichs Verhandlungen der kaiserlich-konig- 



lichen geologischen Reichsanstalt, 

 Wien. 



Verb. nat. Ver. preuss. Rheinl. Westph . Verhandlungen des naturhistorischen 



Vereins der preussischen Rheinlande, 

 und Westphalens, und des Regier- 

 ungs-Bezirks Osnabriick. Bonn. 



Verb. russ. kais. min. Ges Verhandlungen der russisch-kaiser- 



lichen mineralogischen Gesellschaft, 

 St. Petersburg. 



Vid. Medd. nat. Foren. Kj0benhavn Videnskabelige Meddelelser fra den 



naturhistoriske Forening i Kj0ben- 

 havn. Kj0benhavn. 



