CONTENTS. VJI 



Chapter IV. — General description of the systems of glacial gravels— Continued. Page. 



Ansou-Madison series 179 



Norridgewoct-Belgrade system 181 



North Pond branch 184 



Mercer- Belgrade branch 184 



Late glacial history of the upper Kennebec A''alley 185 



Short eskers in Manchester and Litchfield 186 



Litchfield-Bowdoin system 186 



Local eskers in northwestern Maine 187 



Dead Kiver- Jerusalem system 187 



Note on the northwestern part of Maine 188 



Eeadfield-Brunswick system 189 



Wayne-Monmouth branch 193 



Gravels near Sabatis Pond 195 



Mount Vernon esker 195 



Chesterville-Leeds system 196 



Freeport system 200 



Lewiston-Durham series 201 



Hillside eskers in Jay and Wilton 205 



Canton- Auburn system 206 



Note on the Androscoggin Valley 210 



Hillside eskers in Hartford 210 



Peru-Buckfield system 211 



West Summer-Poland system 213 



Branches in Hebron and near West Minot 214 



Hillside eskers in Oxford County 215 



Yarmouth-Cape Elizabeth system 215 



Audroscoggiu Lakes-Portland system 216 



Kennebago kames 233 



Lookes Mills branch 233 



General note on the Portland system 234 



Local eskers iu Westbrook 235 



Casco- Windham system 235 



Gray-North Windham series 238 



General note on the glacial gravels of southwestern Maine 238 



Note on the basin of Sebago Lake 239 



Naples-Staiidish series 240 



Sebago series - 244 



Bridgton- Baldwin series 244 



Tribu tary branches 246 



Delta branches 246 



Albany Saco River series - 248 



Delta branch at North Waterford 252 



Alluvial terraces of the Saco River 255 



Great complex of northwestern York and southwestern Oxford counties 256 



Acton-North Berwick system 262 



Lebanon system 263 



West Lebanon system 263 



Chapter V. — Classification and genesis 264 



Preglacial land surface and soils 265 



Greenland snow and ice 369 



The till - 270 



Morainal debris of the ice-sheet 272 



Moraine stuff the lower part of the ice 272 



Waldoboro moraine 272 



Moraines of Audroscoggiu glacier 274 



Quantity of englacial debris 275 



