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Drift. — The glacial drift is probably limited to south 

 ern Brazil. 



In addition to the voluminous reports prepared by 

 Prof. Hartt, as chief of the Brazilian Survey, he also had 

 the following works, which were written before he went 

 to Brazil in 1874, nearly or quite ready for publication. 



I. Brazilian Antiquities — about 500 pages, 4to, with 

 about 50 heliotype plates and many engravings. 



II. Mythology of Brazilian Indians — about 300 pages, 4to. 



III. Graviniar, Dictionary, and ChrestoviatJiy of the Tiipi 

 Language, Ancient and Modern, 400 pages. 



IV. An Album of about 100 photographic views, illus- 

 trating the country, people, etc., of the Lower Amazonas. 

 To be accompanied b}^ about 100 pages of text. 



The preceding review of the scientific work of Prof. 

 Hartt, though very incomplete, indicates how untiring 

 must have been his industry. In order to judge of the 

 real character and value of his investigations, we must 

 refer to his publications. These, however, give us but 

 a glimpse of the vast store of knowledge he had accumu- 

 lated. The volumes he has left in manuscript will, when 

 published, add greatly to his scientific standing, by mak- 

 ing known to the world the variety and excellence of the 

 work he had accomplished. Until then, only the few 

 scientific associates who knew him intimately can award 

 to him his just merits. 



Hartt possessed in a high degree the qualities requisite 

 to form a successful leader. He could plan effectively, 

 directing his scattered forces with little effort and to the 

 best advantage. He displayed the greatest skill in util- 

 izing the diverse results from many sources, never, how- 

 ever, losing sight of the grand whole he was seeking to 

 build up. He belonged to the modern school of Evolu- 

 tion, the theories of which had been sufficiently proved 

 to him by many of his studies, and from these he obtained 

 his great inspiration. Judging from his brilliant begin- 

 ning, we are confident in asserting that, had he lived, he 

 would have won for himself a place by the side of such 

 investigators as De le Beche, Murchison, Logan and 



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