1875.] obi [Roberts. 



ness to be influenced by those from the city, unless they find them 

 to be familiar with the interior of the State. 



There is no doubt that the degree of success that attended the first Geo- 

 logical Survey, was largely due to Mr. Trego's influence atHarrisburg. 



In 1843 he prepared and published a work on the Geography of Penn- 

 sylvania, which is a book of nearly four hundred pages, containing a large 

 amount of information concerning the State. In the preface he says 

 that "in the course of his duties as Assistant State Geologist, during 

 four years, and on various other occasions, the author has visited most 

 parts of the State, and has thus enjoyed opportunities of acquiring much 

 local information concerning the different subjects embraced in this 

 work." 



He also prepared a mass of materials with the view of writing the his- 

 tory of the City of Philadelphia, and it is to be regretted that he never 

 completed it, 



Mr. Trego was, for some time. Professor of Geology in the Scientific De- 

 partment of the Universi^y of Pennsylvania, and delivered lectures upon 

 it in that institution. 



On the 20th of January, 1843, more than thirty years ago, four persons 

 who had been active in the affairs of the Frauklin Institute, were elected 

 members of the American Philosophical Society. They were Charles B. 

 Trego, Cli tries EUet, Jr., Ellwood Morris and the writer of this notice, 

 who is now the sole survivor of the four. 



On the 7th of January, 1848, Mr. Trego was elected one of the Secre- 

 taries, and was soon after chosen Librarian ; and on the 15th of August, 

 1851, he was elected Treasurer of the Society, which office he retained 

 until his death, a period of more than twenty years ; and he also con- 

 tinued until the close of his life to be one of the Secretaries. 



On the 30th day of June, 1854, the corporate existence of the Districts, 

 Boroughs and Townships of the County of Philadelphia ceased, and they 

 were merged in one municipal corporation with the City of Philadelphia ; 

 and about that time Mr. Trego removed into what had been the District 

 of Spring Garden, and at once identified himself with the political and 

 other interests of that part of the consolidated city. 



From 1856 to 1862 he was a member of the City Council, and for four 

 years of that time he was President of the Common Council. His long 

 Legislative experience had made him very familiar with the rules of order 

 of representative bodies, and his uprightness and firmness fitted him to 

 preside. In 1863, when about sixty-nine years of age, he retired entirely 

 from public life. 



From that time until shortly before his death, he devoted himself, during 

 eleven years, very much to the business and to the interests of the Ameri- 

 can Philosophical Society ; not only attending the meetings, but occupy- 

 ing himself, for much of his time during business hours, in the Library 

 of the Society. Here he was fond of seeing his old friends, and of talk- 

 ing over curious incidents in the history of the City and State. 



