REVIEWS 117 
bring out many interesting facts, especially that of Professor Clarke on 
The Succession of Fossil Faunas. 
The following papers relating to this shaft, illustrated by numerous 
maps, charts and plates, are incorporated in the report : 
The Livonia Salt Shaft, tts History and Geological Relations, etc. By 
James fall. 
Report on the Geology of the Livonia Salt Shaft. By D. D. Luther. 
The Succession of the Fossil Kaunas in the Section of the Livonia Salt 
Shaft. By J. M. Clarke. 
New or Rare Species of Fossils from the Horizons of the Livonia Salt 
Shaft. _By J. M. Clarke. 
The remainder of Volume I. is devoted to the following geolog- 
ical papers: 
Report on the Relations of the Helderberg Limestones and Associated 
Formations in Eastern New York. By N. H. Darton. 
Preliminary Report on the Geology of Albany County. By WN. H. 
Darton. 
Economic Geology of Albany County. By F. L. Nason. 
Preliminary Report on the Geology of Ulster County. By WN. #H. 
Darton. 
Economic Geology of Ulster County. By F. L. Nason. 
Geology of the Mohawk Valley in Herkimer, Fulton, Montgomery 
and Saratoga Counties. By N. H. Darton. 
Preliminary Report on the Geology of Essex County. By J. F. Kemp. 
Preliminary Report on the Geology of Clinton County. By H. P. 
Cushing. 
Report on a Preliminary Examination of the General and Economic 
Geology of Four Townships in St. Lawrence and Jefferson Counties. By 
CA Smyth, Jr. 
Report on the Geology of Cattaraugus and Chautauqua Counties. By 
Lf. A. Randall. 
Report on Field-work in Chenango County. By J. M. Clarke. 
A List of Publications Relating to the Geology and Paleontology of 
the State of New York, 1876-1893. Compiled by J. M. Clarke. 
Volume II. of the report contains the following paleontological 
papers : 
Evolution of the Genera of the Paleozoic Brachiopoda. (Extract 
from Paleontology of New York, Vol. VIII, Part [1.). This is a valu- 
able paper summing up the conclusions to which Professors Hall and 
