IXDEX. 



Aar glacier, 10, 18, 52. 

 Aar valley and river. 16. 

 Acceleration of development, 



351. 



Adhemar cited, 185, 248. , 

 Ai'ta, 165. 



A., on echinoderms, 



Agassiz, L., 16, 18, 20, 52, 342; 

 burial and epitaph of, 19; on 

 ice periods, 180; on Darwin- 

 ism, 312: on the interpretation 

 of the world, 383. 



Age, beauty of, 115. 



Age of the world, 196. 



Agricultural college, 259. 



Aiguille, or Aiguilles, 25, 32, 48 ; 

 cles Yarens, 28 ; du Gouter, 32, 

 49 ; de Charmoz, 33, 35, 37, 49 ; 

 du Dm, 35, 48 ; de Talefre, 36, 

 89; Verte,45,64; Bochard.45; 

 de Greppon, 49; de Saussure, 

 66: du Midi, 66,68,76; de la 

 Tour, 72; of Ruitors, 89; du 

 Miage, 97; cause of, 40. 



Airy, U. B., cited. 179. 



Alabama. 138, 144, 147. 



Alaseia river, 241. 



Alaska, 124, 141. 



Albany. X. Y, 138. 



Aleut,* 141. 



Aleutian, 124; continent, 141. 



Alleghanies, 123. 130, 142; low- 

 ering of, 127, 144, 145; sedi- 

 ments from, 132; climate of, 

 209. 



Alleghauy river, 149. 



Alpine glaciers rich in sugges- 

 tions, 168; resist summer heat. 

 194. 



Alps, geology of, 53 ; Roman rel- 

 ics in, 30, 60 ; upheaval of, 

 160. 



Altitude and temperature, 206. 



Amazons, river of, 148. 



America, South, 139. 



American Arctic Archipelago, 

 199. 



American Association, 171, 301. 



Americans abroad, 34. 



Ammienus Marcellinus, 143. 



Andaman Islands, 165. 



Andes, 130, 141, 142. 



Angeville, Mademoiselle H. d', 

 97. 



Antarctic continent, 189. 



Anticipation, scientific, 362. 



Auticosti, 124. 



Antilles, 139. 



Aosta, valley of, 89, 94. 



Apennines, 63. 



Apollo Belvedere, 115. 



Appalachians, 127. See, also, 

 %% Alleghanies." 



Appleton, 214. 



Appropriations for Michigan sur- 

 veys, 257. 



Arago, cited, 183, 185. 



Aral Sea, 156, 157. 



Archaean land, 137, 1S8. Sec, 

 also, " Laurentide" and Luu- 

 rentian." 



Arch at foot of Glacier des Bois, 

 52. 



Architecture and evolution, 318. 



Arenton, Jean d\ 61. 



Aristophanes quoted, 114. 



Aristotle cited, 158, 324. 



Arkwright, ('apt., 81. 



Arpenaz, cascade of, 28. 



Arve, 27, 28, 51, 77. 



Arveiron, 50, 51, 77. 



Aryans and glacial period, 24o. 



Arvcna-Vaejo, 246 ; compared 

 with Eden, 246. 



Ascension ists, 96, 97. 



Ascent of Montanvert, 33, 34; to- 

 ward Charmoz, 37. 



387 



