loose bricks, which were allowed to lie as they fell. The streets were 

 paved with rough stones, between which the grass was growing. After 

 I had moved to La Plata, I walked a mile or more every evening, from 

 the hotel where I dined to my rooms in the Museum, and hardly ever 

 met any one except the Basque milkman, who rode perched on the top 

 of his cans, carried in paniers on the horse's sides. I am informed that 

 since the date of my visit, La Plata has been transformed and is now a 

 thriving place. 



The Museum is a large, handsome and spacious building, which con- 

 tains very valuable collections. It is a fine monument to the zeal and 

 energy of Seiior Moreno. Happily for me, the staff was made up almost 

 exclusively of Germans and German-Swiss, so that I had no linguistic 

 difficulties. The acting director, Catani, was Swiss, as was also Roth, 

 palaeontologist. Roth's son-in-law, Hauthal, geologist and mineralogist, 

 Lehmann-Nietsche, anthropologist, and Bruch, zoologist, were Ger- 

 mans. I am under the greatest obligations to all these gentlemen, who 

 did everything in their power to render my stay pleasant and profitable. 

 The Museum contained a large dwelling for the director and his family 

 and part of this was assigned to my use. I was given a bedroom, bath- 

 room and study; the watchman's wife, a French woman, gave me my 

 morning coffee and rolls for a very moderate payment. This hospitality 

 on the part of the Museum enabled me to live very economically, an 

 important consideration. As my living expenses were much smaller than 

 I expected, I was able to devote a considerable sum to the purchase of 

 collections for the museum in Princeton. 



Lehmann-Nietsche took me to Ameghino's house and introduced 

 me. I was received with the utmost cordiality and all the collection 

 placed unreservedly at my disposal. Ameghino said that he was glad 

 that I had come to study his fossils, "because now the palaeontologists 

 of Europe and America will recognize that I have done my work loy- 

 ally." We arranged that I should spend the afternoon of every day but 

 Sunday in his house and a regular routine was soon established. The 

 morning I spent at work in the Museum, then I joined Lehmann- 

 Nietsche at luncheon in the Hotel Mainini, walked up to Ameghino's 

 and spent the afternoon there. Most of my work consisted in photo- 

 graphing the type-fossils of the Santa Cruz formation of Patagonia. 

 After some experimenting, I learned to make my exposures rapidly, 

 developing the plates after dinner, since, at night, my bedroom and 

 bathroom together were excellently adapted to this purpose. Prints had 

 to be made in the morning, by direct sunlight, for I used the old-fash- 



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