CHAPTER X. 



Start on second ex peditio7i ; Sail on Grace Line steamer " Cacique'' direct 

 to Sandy Point ; Arrive at Sandy Point; Encamped in the forests on the 

 Rio de las Minas adjacent to Sandy Point ; Coal Mines at Sandy Point; 

 Otway Water ; Start North; Visit Tehnelche village ; North Gallegos ; 

 Santa Cruz; Start for the interior; Stuck fast in the Rio Chico ; We 

 leave the Rio Chico near the Andes and explore the country to the north- 

 ward ; Ml. Belgrano ; Over the high plateaus ; Spring Creek ; Swan 

 Lake ; Discovery of Lake Pueyrredon ; Arroyo Gio ; Rio Blanco ; White 

 Lake ; Evidences of extensive ice action in the region lying east of Lake 

 Pueyrredon ; Remarkable geological section in bluff south of Lake Pueyr- 

 redon ; Abundance of both vertebrate and invertebrate fossils ; Birth of 

 the southern Andes ; Caught in a blinding sno7u storm on the mountain ; 

 The valley lying east of Lake Gio ; In the basalt canons southeast of 

 Lake Buenos Aires. 



WHILE our work had been most successful, there remained much 

 to be done, and I immediately set about preparing for a second 

 expedition, on which I was able to embark on November ninth, 

 1897, after a stay of nearly four months at home. On the second expedi- 

 tion Mr. Peterson remained at Princeton, engaged in freeing from the mat- 

 rix portions of the material already collected, and I took with me as assis- 

 tant Mr. A. E. Colburn, a most kind and obliging young man from 

 Washington, D. C, who in addition to having had considerable experience 

 as a taxidermist, had previously been on two expeditions, one to Newfound- 

 land and the other in Florida. 



Profiting by the experiences of our first expedition, I took with me on 

 the second a light two-and-three-quarter-inch mountain wagon with a 

 good pair of double harness. Taking a Grace Line steamer, the "Ca- 

 cique," we left New York on the morning of November ninth, bound direct 

 for Sandy Point in the Straits of Magellan, which was to be our first stop 

 on the outward voyage. During this long voyage of thirty-two days 



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