ARNOLD GUYOT. 525 



the work which he had begun in New England, the barometrical 

 measurement of the mountains. lie not only measured the height of 

 the White and the Green Mountains, the Adirondacks and the Catskills, 

 but he investigated the physical structure and elevation of the entire 

 Alleghany system. The results of these summer excursions appeared 

 in papers prepared for the Smithsonian Institution, the American 

 Association, and the National Academy ; also in articles in Silliman's 

 Journal, and in special maps. He first determined the true height of 

 Mount Washington, of the Black Mountains in North Carolina, and 

 of the Green Mountains in Vermont. He introduced into this country 

 the improved barometers now employed, and organized the system of 

 meteorological observations, first under the care of the Smithsonian 

 Institution, which has now grown into the admirable " Signal Ser- 

 vice." He prepared for the Smithsonian Institution the very exten- 

 sive series of meteorological tables now so generally employed. It 

 was from his suggestion that the first deep-sea soundings of the Atlan- 

 tic were made by our government. He publislied a large series of 

 Wall Maps, and a series of Geographies, which have revolutionized 

 the study of geography in this country. He was the author of the 

 Introduction to Johnson's Physical Atlas, and was one of the editors 

 of Johnson's Cyclopajdia. His Maps and Geographies received the 

 gold medal, the highest honor awarded, at Paris in 1878 ; and the 

 medal of progress, a special honor, was given him at the exhibition 

 at Vienna, in 1873. He was a member of the National Academy 

 in this country, was an Honorary Member of the Geographical So- 

 ciety of France, and an Associate Member of the Royal Academy of 

 Turin and of numerous other societies. His last work was " Creation, 

 or the Biblical Cosmogony in the Light of Modern Science." It was 

 finished only a few days before his death. He had been in declining 

 health for several years, and died on February 8, 1884. In 18G7 he 

 married a daughter of the late Governor Haines, of New Jersey, who 

 still survives him. 



A simple extract from the minutes of the Faculty of the College of 

 New Jersey will show the impression produced by him upon those 

 with whom he came in contact, and this judgment is confirmed by 

 numerous other testimonials : — 



" His life-work was prosecuted with such intellectual vigor, inde- 

 fatigable energy, conscientious fidelity, and distinguished success, that, 

 among the eminent men of science of which the present age has been 

 so prolific, the name of our departed colleague will ever occupy a con- 

 spicuous position. His character commanded the esteem of all within 



