298 



INDEX. 



Asters, at head of Rio Chico, 1 34 

 Astrapotherium, 52, 67, 73 

 Asuncion, visit to, 202, 203 

 Athineropsis regia, 280 



Atlantic Ocean, 37, 38, 59, 61, 72, 118, 215, 

 241, 244, 250, 284, 288, 289, 291 

 climatic effects of, 250 



coast, natives of, 273 



settlements on, 276 

 Attagis gayi, 81 



malouinus, 8 1 

 Aubone River, see River 

 Aubone, Senor Juan D., 5, 36 

 Austria, miners from, 278, 280 

 Austrian mechanics, 280 



"DAD lands, of Mayer Basin, 130 

 on Rio Blanco, 168 

 on Rio Chalia, 1 1 3 

 Santa Cruzian, 1 1 7 

 Bahia Blanca, 15, 16, 245 



fossils from, 2 

 Bajos, Rio de, see River 

 Baker, Col. Edward L., U. S. Consul at 



Buenos Aires, 13 

 Bal&na australis, 24 

 Bald Mountain, 139, 140 

 Bank, London and Tarapaca, 276 

 Barbadoes, 194 

 Barking bird, 1 39 

 Basalt, 23, 87, 1 10, 172, 173, 179, 232, 290 



columnar, 117, 173 



porphyritic, 179 

 Basalt Region, Interior, 218 

 Basalts, age of, 219 



in Andes, 232 



intrusive, 290 

 Basin, Mayer, 128, 129, 131, 132, 140, 199, 



258 

 Bay of Fundy, tides in, 30, 239 



New, 1 8, 42 



San Julian, 247 



San Sebastian, 155, 249, 278 



Useless, 277, 291, 293 

 Beaches, raised, at San Bias, 17 

 Beagle Channel, 151, 152, 154, 275 



Beech, deciduous, 145, 150 



evergreen, 150 



species of at Ushuaia, 153 



wood of, 145 

 Beeches, dwarf, 140, 150 

 Beehive Springs, weather observations at, 254, 



260 

 Beetles, 84 



at Laguna Leona, 41 

 Belgrano, Mt, 165, 198 



Rio, see River 

 Belonopterus chilensis, 80 

 Berberis cuneata, 23, 50 

 Berries, 134 

 Bird, barking, 139 



fossil, at Lake Pueyrredon, 173 

 Bird-life, in Andean forests, 1 3 5 



in forests of Mayer Basin, 1 30 



at Laguna Leona, 42 



at Port Desire, 2O,*2i 



on Rio Chico, 120, 121 



scarcity of on pampa, 42 

 Birds, fossil, 285 



recent, 50, 51, 56, 61, 65, 78, 131, 150, 



158, 159, 166, 188 

 Bivalves, 41, 166 

 Blanca, Laguna, see Laguna 

 Blanco, Rio, see River 

 Blizzard, 191, 198 

 Boca of Buenos Aires, 12, 14, 155 

 Bola, 267, 268 



absent from ancient village sites, 264 



little used by Ona Indians, 273 

 Bolax glcbaria, 100, 124 

 "Bootle," schooner, 60 

 Boots, Tehuelche, 270 

 Borhyana, 67 

 Bota, Rio, see River 

 Boundary Commission, Argentine, 178, 186 



211, 212 

 Chilian, 171, 186, 211 



dispute between Chili and Argentina, 288 



line between Chili and Argentina, 281 

 Bow and arrow, abandoned by Tehuelches, 264 



still used by Onas, 273 

 Bowlder formation, see Shingle formation 



