Viii LIST OF ILLUSTRATIONS. 



Page. 



Diagram V-B, Minimum temperature at Claremont and Stratford, . . 139 



Diagram VI, Mean temperature of Exeter, Claremont, and Stratford, . 139 



Diagram VII, Mean temperature of Mt. Washington and Lunenburg, Vt., 139 



Diagram VIII, Cold period, Jan. 10-14, 1 86r, J 4 O 



Diagram IX, Cold period, Jan. 21-25, I ^7 I I 4 



Diagram X, Velocity of wind at summit and at base of Mt. Washington, 



May, 1872, 140 



Fig. 19, Mt. Moriah in Gorham, 146 



Lines of equal magnetic dip and horizontal intensity, . . . .150 



Lines of equal magnetic variation for the year 1856 152 



Diurnal variations of the magnetic needle at Hanover, Jan., 1872, . . 158 



Magnetic storm at Hanover, Feb. 4, 1872, 160 



Fig. 20, Gap between Sawyer's mountain and Soapstone hill, . . . .181 



Fig. 21, Mt. Lyon, from Guildhall falls 183 



Fig. 22, Mt. Carter, from Gorham, 186 



Fig. 23, Mt. Jefferson and Great gulf, . 188 



Fig. 24, Ravines on Mt. Washington, from Thompson's falls, . . . .188 



Fig. 25, Mt. Washington, from near Fabyan's, 189 



Fig. 26, Mt. Crawford, from the north-west, 190 



Fig. 27, Outline of Cherry mountain, 191 



Fig. 28, Outline of Mt. Osceola, 193 



Fig. 29, Outline of Mt. Tecumseh, 194 



Fig. 30, Outline of Black mountain, 194 



Fig. 31, Summit of Mt. Chocorua 195 



Fig. 32, Outlines of mountains between Haystack and Sugar Loaf, . . . 198 



Fig. 33, Outlines of mountains between Haystack and South Twin, . . . 198 



Fig. 34, Mountain range between Lafayette and Twin, 199 



Fig- 35, Franconia Mountains, from Sugar hill, 199 



Fig. 36, Franconia Mountains, from Thornton, 200 



Fig. 37, Outline of Moosilauke, from Warren, 201 



Fig. 38, Outline of Moosilauke, from Wachipaucha pond 202 



Fig. 39, Lake Winnipiseogee, from Center Harbor 205 



Fig. 40, Map of Warren, 208 



Fig. 41, Georgianna falls, Lincoln, 215 



Fig. 42, View on the Upper Magalloway, 225 



Fig. 43, Ripley's falls, 226 



Triangulation of New Hampshire, 243 



New Hampshire state seal, 247 



Fig. 44, White Mountains, from Berlin bridge, 297 



Fig. 45, Old Man of the Mountains, 33 o 



Fig. 46, Eulophus semideae, 



