104 



Cincinnati Society of Natural History. 



engaged in the College at Columbia, South Carolina, as Prof, of 

 Chemistiy. In 1826 he went to the city of Mexico and took charge for 

 a time of a gold mine in that vicinity. He returned and purchased a 

 farm at Bristol, Penn., where he married and remained until the time 

 of his death. He was distinguished for his work on the Geological 

 Survey of the State of New York. 



George August Golfuss was born at Baireuth, in 1782, and died in 

 1848. He published several American fossils in his Petrefacta Ger- 

 man i(E. 



Julius T. Ducatel was born at Baltimore, June 6, 1796, and died 

 April 23, 1849, at the age of nearly fifty -three 3*ears. He was Pro- 

 fessor of Chemistry and Geology in the Universit}' of Maryland for 

 several years, and also filled the chair of Chemistiy, Mineralogy and 

 Geology in St. John's College, Annapolis. In 1832 he was appointed, 

 with J. H. Alexander, to make a new map of the State of Maryland, 

 which appeared in 1834, with a report on a projected geological and 

 topographical survej' of the State. He was then appointed to make a 

 geological survey, which position he held until 1841. His geological 

 work consists of seven annual reports upon that State — from 1834 to 

 1840. 



Gerard Troost was born at Bois le Due, Holland, March 15, 1776 

 and died on the 14th clay of August, 1850, at Nashville, Tennessee. 

 He was professor in the Universitj" of Nashville for twenty-two years, 

 and State Geologist of Tennessee for nearly twenty }~ears. He wrote 

 nine reports. The first two were not published; the other seven were 

 published from 1835 to 1848. 



Samuel George Morton was born at Philadelphia on the 26th day of 

 January, 1799, and died on the 15th day of May, 1851, in his fifty-third 

 year. He became a member of the Acadenry of Natural Sciences of 

 Philadelphia, in 1820, and was President of the same at the time of 

 his decease. His principal contribution to Geology and Palaeontology 

 was his "Sjmopsis of the Organic Remains of the Cretaceous Group 

 of the United States.'' His work entitled "Crania Americana," pub- 

 lished in 1839, and his "Crania Egyptiaca,'' published in 1845, placed 

 him in the highest rank as an ethnologist. He was distinguished also 

 as a medical author, while he labored industriously in the practice of 

 medicine. 



James E. DeKay died at his residence on Long Island, on the 21st 



