Vol. 55.] ANNIVEESARY ADDRESS OP THE TEESIDENT. IvU 



indeed, he was a master of controversy, especially in relation 

 to the Taconic rocks. 



In 1867 he received the Cross of the Legion of Honour. In 1875 

 he was elected a Poreign Correspondent of our Society, and in 1879 

 a Foreign Member. He was also a member of many American and 

 European Societies. He died at his home in Cambridge (Mass.) 

 on April 18th, 1898. ^ 



Pridolin von Sandbergee was born on JSTovember 22nd, 1826, 

 at Dillenburg (J^assau), and was educated at the Universities 

 of Bonn, Heidelberg, and Giessen, at the last of which he took the 

 degree of Ph.D. He afterwards went to the University of Marburg, 

 where he prepared his first great paper, on the Geological Eolations 

 of Nassau, published in 1847. 



In 1849 he entered the State service of Nassau as Inspector of 

 the Natural History Museum at Wiesbaden, a post which he held 

 for 6 years, during which time he published two important works, 

 ' Eesearches on the Tertiary Basin of Mayence ' and ' The Possils of 

 the Ehenish Group in Nassau.' 



In 1855 he went to Karlsruhe as Professor of Mineralogy and 

 Geology at the Polytechniknum, and he worked there for nearly 

 9 years. Besides his professorial duties, he took part in the Geo- 

 logical Survey of Baden, and continued his studies on the Mayence 

 Basin. 



From 1863 to 1896 he was Professor of Mineralogy and Geology 

 at the University of Wiirzburg, a post which he resigned on the 

 occasion of the jubilee of his doctorate. At Wiirzburg he studied in 

 detail the Trias of the neighbourhood, and, later on, that of the Main 

 district and of Lower Franconia. He also continued his palseonto- 

 logical labours, arjd published the results in his great work, 'The 

 Land and Freshwater Shells o£ the Ancient World' (1871-76). 

 In later years he also took up chemico-geological work, especially 

 in regard to the formation of veins, and published the results in his 

 ' Researches on Metalliferous Yeins ' (1882-85). 



He was a Member of the Royal Bavarian Academy and a Privy 

 Councillor. He received the WoUaston Fund in 1855 (with 

 Dr. G. Sandberger), was elected a Foreign Correspondent of this 

 Society in 1863, and a Foreign Member in 1875.^ 



1 See also Amer. Journ. Sci, ser. 4, vol. v (1898) p. 398, from which these 

 remarks are chiefly taken. 



^ The above notice is almost wholly summarized from an account of his life 

 in Verb. k.-k. geol. Eeichsaust. 1898, pp. 199-200. 



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