Xll PATAGONIAN EXPEDITIONS: NARRATIVE AND GEOGRAPHY. 



in the fossils : Move camp to North Gallegos : Fitzroy's Springs : Cape Fairweather : Our 

 first guanaco : Peculiar antics of these animals when frightened : Methods of the Carranchas 

 in attacking a carcass : The Condor, its mode of flight and attack on a guanaco carcass : 

 Discovery of the Cape Fairweather beds, a new geological horizon : Landslides along the 

 sea cliffs : Some of the commoner birds near Cape Fairweather : Habits of Canis azarae : 

 Peculiar experience with a condor : Hardiness of some of the Patagonian Compositae : 

 Canon de Palo : The finding of a carcass of a whale ....... 49 



CHAPTER IV. 



Corriken Aike : Character of the beach : Abundance of fossil bones and footprints in 

 the rocks of the beach : Collecting fossils from beneath the sea : Dense fogs during month 

 of September : The spring tides : Actions of the grebe in the surf : The sea leopard : Por- 

 poises : A Patagonian spring : Spring flowers : Bird life in spring time : Habits of the Ibis : 

 Spur-winged plover : The grouse-like plovers of Patagonia : Water fowl : Flamingoes : 

 Upucerthia dumetoria : Lizards and frogs : Insects : Eggs of the Rhea : Second shipment 

 of fossils ............... 72 



CHAPTER V. 



Camp at Coy Inlet : By horseback to Sandy Point : Rio Chico : An accident : Ooshi 

 Aike : Posada de la Reina : Cabeza del Mar : Cape Negro : Sandy Point : Return to Gal- 

 legos : Make preparations for a trip into the interior ....... 86 



CHAPTER VI. 



Start on an extended trip into the interior : Select Lake Argentine as our first objective 

 point : Shoeing horses : Crossing the high pampa : A splendid mirage : Scanty vegetation : 

 Lava beds : Digging for water : The Santa Cruz River : An attempt at fording the Santa 

 Cruz : Rio Bota : Lake Argentine : Crossing the Santa Cruz River . . . -95 



CHAPTER VII. 



Through the lava fields : Lavas not of submarine origin : Rio Chalia or Sheuen : Bad 

 lands in Santa Cruz formation : The finding of a human skeleton : In the valley of Rio 

 Chalia : Mosquitoes : The Armadillo : Sierra Ventana : The Rio Chico and its basalt-capped 

 canon : Cyanotis rubrigaster : The Patagonian mocking bird : Burrowing owls : Owls and 

 rodents : Protective coloration in sand lizards : Character of river canon and basaltic plat- 

 forms : Barren nature of the lava beds : Our first view of the Andes from the valley of the 

 Rio Chico : A terminal moraine : Abundance of rodents : Cavia australis : Ctenomys magel- 

 lanica, the Tuco-tuco : Numerous mice : Terrific rainstorm : Destruction to animal life 

 wrought by storm : Effects of burrowing animals on erosion : Ascend south fork of the 

 Rio Chico : Glacial moraines and lakes along the upper stretches of the river : Enter Mayer 

 Basin by way of Shell Gap : On the outskirts of the Andean forests . . . .109 



CHAPTER VIII. 



An outlier of the forests : Cretaceous and Tertiary rocks at the foot of the Andes : 

 Abundance of petrified wood : Cariacus chilensis : Cross the continental divide : Enter the 

 Andean forests: Western portion of Mayer Basin: Discover Mayer River: Mud streams, 



