LIST OF ILLUSTRATIONS. xi 



ELECTROTYPES AND RELIEF PLATES. 



Page. 



The morning after the Willey slide, 76 



Isogonic lines for 1874, . . . . . . . . . . .154 



Connecticut River below Ledyard bridge, Hanover, 302 



Alpine and sub-alpine districts in the White Mountains 338 



Ice currents in the Glacier Period, ......... 542 



MAPS. 



Page. 



Chart I, Yearly isothermal lines, .......... 124 



Chart II, Isocliimenal and isotheral lines, ........ 126 



Chart III, Mean annual rain-fall, ....... . 128 



Natural topographical districts, . . . . . . . . . .171 



Hydrographic basins, ............ 300 



Distribution of insects, 335 



Distribution of trees, 382 



No. i, The first dry land in New Hampshire, . 512 



2, New Hampshire at the close of the Atlantic period, . . . .516 



3, New Hampshire in the Labrador period, 528 



4, New Hampshire at the close of the Huronian period, .... 532 



5, New Hampshire after the Cobs period, 536 



6, New Hampshire in the Helderberg period, 538 



Agricultural map of New Hampshire, 548 



Boundary between the Canadian and Alleghanian districts, .... 574 



The extent of the existing forests, 578 



CHARTS IN THE ATLAS ILLUSTRATING VOLUME I. 



1. Fac-simile, reduced, of Holland's Map of New Hampshire. 



2. Fac-simile, half the natural size, of Carrigain's Map of New Hampshire. 



3. Profiles of the White Mountains, as seen from Mt. Pequawket, Mt. Trafton, Cor- 



nish, Me., and Pleasant mountain, Me. 



4. Profiles of mountains seen from Mt. Chocorua. 



5. Profiles of mountains seen from Tremont. 



6. Profiles of mountains seen from Mt. Carrigain. 



7. Profiles seen from Bill Merrill, Caribou, and Ephraim mountains in Maine. 



8. Panorama visible from the summit of Mt. Washington. 



9. The White Mountains, in relief. 

 10. Map showing contour lines. 



