28 



XEW YORK STATE MUSEUM 



New York State Museum. 51st Annual Report. 



1890. 



82 Geologic map of the pre-Cambrian border in 



Oneida and Lewis counties, p. r54. 

 83 Geologic map of the vicinity of Frankfort HilL 

 p. r54. 



LIST OF AUTHORITIES FOR THE COUNTIES OF NEW YORK 



Albany. Below top of Hamilton, Darton (28); corrected as to 

 Oriskany in towns of Knox and New Scotland by Clarke; above 

 base of Hamilton, Prosser (67). 



Allegany. Portage-Chemung boundary by Clarke and Luther. 

 Areas of Catskill in Hall (31) omitted. 



Broome. Hall (31) corrected by Clarke and Luther in towns of 

 Triangle and Lisle. 



Cattaraugus. Clarke and Luther. Carboniferous compiled by 

 Clarke after Eandall. 



Cayuga. Hall (31) corrected in towns of Aurelius and Spring- 

 port and city of Auburn by Clarke; Tully and Genesee-Portage 

 boundaries by Clarke and Luther; Clinton by Sarle. 



Chautauqua. Clarke and Luther. 



Chemung. Clarke and Luther. 



Chenango. Hall (31); west of Chenango river; Clarke (3) and 

 manuscript; east of Chenango river, Prosser (66). 



Clinton. Gushing (5-18 inch); with corrections and additions 

 by Cushing. 



Columbia. Eastern part, Dana (24, 25); northwest part, Wal- 

 cott (80); region about Hudson, Clarke (4); Cambrian boundary 

 at Hudson river, Ford (29) ; remainder of county by Dwight. 



Cortland. Clarke (3), Hall (31) corrected by Clarke and Luther. 



Delaware. Hall (31), Prosser (66) upper and lower boundaries 

 of Ithaca, Oneonta-Chemung boundary west of Meredith. 



Dutchess. Town of Pawling by Merrill except pre-Cambrian 

 boundary from Whaley Pond to northern limit of this formation 

 by Hill; town of Amenia from Wassaic northward by Merrill; 



