REPORT OP THE STATE PALEONTOLOGIST 1902 871 



indicate a greater rather than a lessened depth of the sea. It 

 is an illustration of one of the constantly increasing instances 

 in which the paleontologist must be armed for the proper inter- 

 pretation of ancient physiography with the growing volume of 

 facts derived from the study of existing conditions. 



Personnel of the staff 



The permanent staff of this department has been changed 

 during the year only in consequence of the death of George B. 

 Simpson, draftsman; slight alterations have been made in the 

 title of two of the assistants. The staff is as follows: 



R. Ruedemann, assistant state paleontologist 



D. D. Luther, field assistant 



George S. Barkentin, draftsman 



Philip Ast, lithographer 



Jacob Van Deloo, clerk 



H. S. Mattimore, preparator 



Martin Sheehy, machinist 



The following men have been temporarily engaged in the work 

 of the department: 



Prof. Charles Butts, on the fossils of the Salamanca 

 quadrangle; 



Prof. A. W. Grabau, on the survey of Becraft mountain; 



Gilbert van Ingen, on various special topics as above stated; 



C. A. Hartnagel, on the study of the Cobleskill limestone and 

 its fauna; 



Myron L. Fuller and F. G. Clapp, of the United States Geo- 

 logical Survey, in field work on the Elmira quadrangle. 



W. S. Barkentin, Ruth Holden and Mary M. Mitchell have also 

 assisted with the work of illustration. 



Respectfully submitted 



John M. Clarke 



State Paleontologist 



Oct. 1, 1902 



