A PROCEEDINGS OF ROCHESTER MEETING. 



Mabius Robisox Campbell, U. S. Geological Survey, Washington, D. C. Geologist ; 

 now engaged in stratigraphy and structure of the Paleozoic rocks of the Appa- 

 lachian province. 



A.ntonio del Castillo, School of Engineers, City of Mexico. Engineer of Mines 

 and Director of National School of Engineers. Director of the Geological 

 Commission for the preparation of the Geological Map of the Republic of 

 Mexico. 



Harold W. Fairbanks, B S, San Diego, Cal. Geologist on staff of State Mining 

 Bureau; now engaged in general Held geology. 



Leox S. Gkiswold, A B (Harvard, 1889), 238 Boston St, Dorchester. Mass. Geolo- 

 gist : engaged in field work on Triassic area of Connecticut. 



Albert P. Low, B of Sc, Ottawa, (Jut. Field Geologist Geological Survey Depart- 

 ment ; now engaged in the study of the Archean. 



Vernon Feee.max Marsters, A B, Bloomington, Ind. Associate Professor of 

 Geology in Indiana State University ; now engaged in the study of general 

 geology and petrography. 



Albert C. Peale, M D, Washington, D. C. Geologist United States Geological 

 Survey ; engaged in structural geology and stratigraphy of northeastern Rocky 

 Mountain region. 



William B. Scott, M A, Ph D (Heidelberg), Princeton, X. J. Professor, College 

 of New Jersey ; now engaged in study of vertebrate paleontology. 



Charles Henry Smyth, Junior, A B, Ph B, Ph D, Clinton, X. Y. Professor of 

 Geology in Hamilton College ; now engaged in the study of the geology of the 

 western Adirondack region. 



Joseph Staxley-Browx, Washington, D. C. Assistant Geologist United States 

 Geological Survey ; now engaged in the study of petrography and structural 

 geolog3' in northwestern United States. 



Charles Livy Whittle, West Medford, Mass. Assistant Geologist United States 

 Geological Survey; now engaged in field work in the Archean rocks of south- 

 ern Vermont. 



The President announced that the Council had determined that other 

 sessions of this meeting should be held on Tuesday, August 16, at 10 . 

 o'clock a m and at 2 o'clock p m. 



No further business being offered, the President declared the scientific 

 work of the meeting in order, and announced^ the first paper on the 

 printed program, which, in the absence of the author, was read by W J 

 McGee : 



NOTES ON THE PHOSPHATE FIELDS OF EASTERN MARION AND ALACHUA 



COUNTIES, FLORIDA 



BY LAWRENCE C. JOHNSON 



The paper was discussed by Charles H. Hitchcock. E. \\ . Claypole, 

 R. A. V. Penrose, Junior, 1. C. White and W -I McGee. 



