INDEX. 



N. B. When several references are given under a single heading, the most important are 

 italicized. Zoological and botanical technical names are in italics. 



/^BDERITES crassirannis, 113 

 Accident to author, 88 

 yEchmophorus major, 137 

 Agriculture, in Patagonia, 283 



U. S. Dep't of, 4, 134 

 Albatross, 150 

 Alfalfa, 283 



Algas at Laguna Leona, 41 

 Almacen, 35 



Ameghino, Sr. Carlos, expeditions to Pata- 

 gonia, 3 

 Dr. Florentino, 3, 135, 196, 228, 230 

 on Shingle formation, 226 

 on Transverse Valleys, 226—7 

 Ammonites, in Mayer Basin, 143 

 Amphipods, at Laguna Leona, 41 



in springs, 50 

 Andes, 92, 126, 127, 131, 140, 146, 148, 

 179, 211, 213, 231, 233, 236, 237, 

 238, 239, 240, 241, 242, 244, 248, 

 265, 266, 281, 282, 284, 285, 286, 

 287, 288, 289, 290, 291 

 Central range of, 140, 211, 232 

 climatic effects of, 214, 233, 250 

 date of origin, 174, 222 

 Eastern Lateral range of, 211, 232, 290 

 forests of, 144, 143, 214, 233, 278 

 height of, 233 

 in Pliocene sea, 222 

 rivers of, 243 

 longitudinal valleys of, 232, 234, 243, 



290, 293, 294 

 Middle range of, 232 

 submergence of, 292, 294 

 three ranges of, 234, 290 



Andes, southern, 38, 245 

 age of, 234 



in Cape Fairweather epoch, 235 

 in Patagonian epoch, 235 

 in Santa Cruzian epoch, 235 

 structure of, 290 

 upheaval of, 235 

 Western Lateral range of, 211, 232 

 Animal life, north of Santa Cruz River, 116 

 Annelids, 9, 41 

 Anticlines in Andes, 232, 290 

 Archerique, Sefior, 44 

 Archipelago, Fuegian, 213 

 Argentina, mining laws of, 281 

 Argentine Boundary Commission, .rrr Boundary 

 life-saving station at St. John's, 277 

 light-house at St. John's, 277 

 minister at Washington, 1 3 



of the exterior, 1 3 

 Patagonia, 213 

 penal colony at St. John's, 277 



at Santa Cruz, 277 

 soldiers, 16 

 officials, courtesy of, 5, 13, 26 



dilatory methods of, 12 

 shepherds, 280 

 transports, 277 

 Argentine, Lake, see Lake 

 Armadillo, 116 

 Arneberg, Sr. Theodoro, attacked by puma, 



197 

 Arroyo Gio, 168 

 Arts of Tehuelche Indians, 267 

 Ash, volcanic, 37, 50, 51 

 Asio accipiti'imis, 121 



297 



