INDEX TO WATER LEVELS CHAMPLAIN-IIUDSON VALLEYS 2G3 



Leda arctica, 211 s , 213*. 

 portlandica, 213 J . 



Leda clay, 218 s . 



Lesley, J. P., cited, 250\ 



Level, bearing of change of, on the 

 duration of the postglacial inter- 

 val, 23G 4 -39 3 . 



Lewis, E., cited, 2o0\ 



Lewis, II. C, cited, 250 5 . 



Lindenkohl, A., cited, 72°, 250 5 . 



Logan, cited. 218 3 . 



Low level terraces, 111 3 . 



Lyell, Sir Charles, cited, 209 J , 212 7 , 

 250*. 



Macfarlane, T., cited, 25u'. 



McGee, W. J., cited, 2o0 7 . 



Macoma calcarea, 208 s . 

 groenlandica, 208 s , 208 9 , 209 3 , 209 8 , 

 209 ! '. 211 3 , 212 4 , 213 1 , 213 3 , 213 4 , 

 213 5 , 213 6 , 216 3 . 



Manhasset formation, 233 3 ; expos- 

 ure, 90\ 



Marginal lakes, 152 3 . 



Marine conditions, southern ex- 

 tension of, history of opinion 

 concerning, 220 6 -22. 



Marine deposits, of the Champlain 

 valley, 206 3 -7 9 ; nomenclature of, 

 216 8 -20 6 . 



Marine invasion, 201 1 -22. 



Marine limit, upper, 201 6 -6 3 . 



Marine shells on the Vermont shore, 

 213M5 3 . 



Marsh, G. P., cited, 184 9 . 



Martin, D. S., cited, 250 s . 



Mather, W. W., cited, 133 8 , 235 5 , 

 250 9 . 



Matthew, G. F.. cited, 236 2 . 

 Meadowdale stage, 128 7 -29 5 . 

 Melosira granulata, 186 7 . 

 Merrick, cited, 236*. 

 Merrill. F. J. H., acknowledgments 



to, 67 8 ; cited, 223 8 , 250 9 -51 3 . 

 Mettawee river, delta of, 149 6 -50 8 . 

 Meunier, S., cited, 184 9 . 

 Mitchella repens, 186 9 . 

 Mohawk delta, 130 7 -31 8 . 

 Montreal, fossils at, 209 8 -10 3 . 

 Moodna kill, terraces, 199 s . 



Mtf^^r* fossils near, 210 s -ll 7 . 

 Mo<h i y. 'Quadrangle, shore lines of, 



Motto 1 *] 1 , G., cited, 251 s . 



Moses kill, washed rocks near the 



mouth of, 197 8 -98\ 

 Mya armaria, 212 7 . 



truncata, 212 7 . 

 Mytilus edulis, 212 4 , 212 7 , 21 2 9 , 2 13 2 , 



213 5 , 21G 5 . 



Navicula grnendeleri, 18G 7 . 



permagna, 18G 7 . 

 New Hamburg glacial deposits, 



119 5 -21 3 . 



Newburg and related stages, sum- 

 mary of, 131 9 -33°. 



Newburg stage, north and east of 

 New Hamburg, ice edge, 121 3 . 



Newburg terrace, 116M8 9 . 



Nitzschia granulata, 18G 7 . 



Nomenclature of the marine de- 

 posits, 21G S -20 C . 



North Albany gravels, 129 5 -30 7 . 



North Argyle, morainal terrace at, 

 142 5 -43-. 



Norwood, fossils at, 209 3 . 



Nucula portlandica, 212 7 . 



Nyack terraces, preglacial, 95 8 -9G 2 . 



Ogdensburg, fossils at, 208 7 -9 3 . 

 Ogilvie, I. H., cited, 251 3 . 

 Organisms of the clays in the Hud- 

 son river valley, ISG^T 7 . 

 Osbor;i. H. F., cited, 228 9 , 251*. 

 Outwash plains, 90". 



Pal^rtown mountain, terrace, 

 1-iO" ; delta at base of, 147 2 . 



Patten's Mills terrace, 141 8 -42 3 . 



Pecten islandicus, 212 7 . 



Peekskill, terrace in, 109 2 . 



Peekskill bay, terraces about, 10G 7 - 

 13 7 . 



Peekskill cove, character of valley, 

 230 5 . 



Peekskill creek terraces, 109 9 -ll x . 

 Peet, C. E., cited, 213 9 , 251\ 

 Pelham, deposits near, 92 1 . 

 Perry, J. B., cited, 251*. 



