TABLE OF CONTENTS. 



Chapter. Page. 



I. HISTORY OF GEOLOGICAL SURVEYS IN NEW HAMPSHIRE. 



BY C. H. HITCHCOCK, 3 



II. HISTORY OF THE PRESENT GEOLOGICAL SURVEY. 



BY C. H. HITCHCOCK, 13 



III. HISTORY OF THE SURVEY Continued. 



BY C. H. HITCHCOCK, 29 



IV. HISTORY OF EXPLORATIONS AMONG THE WHITE MOUN 



TAINS. 

 BY WARREN UPHAM, 59 



V. CLIMATOLOGY OF NEW HAMPSHIRE. 



BY J. H. HUNTINGTON, 1 19 



VI. THE USE OF THE MAGNETIC NEEDLE IN SURVEYING. 



BY E. T. QUIMBY, 147 



VII. TOPOGRAPHY. 



BY C. H. HITCHCOCK, 169 



VIII. TOPOGRAPHY OF COOS COUNTY. 



BY J. H. HUNTINGTON, 216 



IX. TOPOGRAPHICAL MAPS OF THE STATE. 



BY C. H. HITCHCOCK, 227 



X. ALTITUDES. 



BY C. H. HITCHCOCK, 248 



XI. RIVER SYSTEMS OF NEW HAMPSHIRE. 



BY WARREN UPHAM, 298 



XII. THE DISTRIBUTION OF INSECTS IN NEW HAMPSHIRE. 



BY SAMUEL H. SCUDDER, 331 



