XXIV 
TABLE OF CONTENTS. 
Page. 
West neck; clays, sands, etc. 251 
Lloyd’s neck. 251 
East neck.252 
Centre point. 253 
Little neck. 254 
North point. 254 
Eaton’s neck . .. 254 
Fresh-pond creek, .. 255 
Stony brook. 256 
Crane point. ' . 256 
Old-held point... 256 
Setauket. 256 
Van Brunt’s neck. 256 
Mount Misery .. 256 
Rocky point. 256 
Swesey’s landing. 256 
Southhold .. 256 
Oysterpond village .. 257 
Greenport. 257 
Horton’s point .257 
Roanoke point.. 257 
Hudson’s point. 257 
Smithtown to Riverhead. 257 
Corum. 257 
White clay and ochre observed by Dr. Mitchill.258 
Sections of wells. 258 
Localities of clay not mentioned under local geology. 259 
Sand and gravel. 261 
Ochreous earth. 261 
Columnar argillaceous iron ore. 261 
Fossils of Long island^ Staten island, . 261 
Bones. 261 
Shells... 262 
Lignite and fossil wood. 264 
Comparison of Long and Staten island formations with those of New-Jersey.264 
Position of marl deposits, if found on Long island. 264 
Springs of Long island, and localities. 269 
Topographical position of.. 269 
Valleys of Long island. 271 
Considerations on their formation. 271 
Reasons of springs in localities. 271 
