[hay] the scrENTiMC Work of prof. HARTT 163 



ing along the coast of Para to Bahia, and of the carboniferous and 

 other regions south of Eio. He has shown us the manner in which the 

 rocky structure of Brazil was built up, and has done much toward solv- 

 ing the relations of the crystalline rocks which compose by far the larger 

 portion of its surface. He has explored the shell-heaps, burial-mounds, 

 and other relic-localities of prehistoric tribes from far up the Amazonas 

 to the .southernmost coast province. We owe to him also the first real 

 satisfactory explanation of the reefs of Brazil, which he distinctly shows 

 to be of two kinds — sandstone and coral. He spent much time in study- 

 ing the customs and languages of the modem Indian tribes of the 

 Amazonas and Bahia, and collected very much material toward a gram- 

 mar and dictionary of _the Tupi Indian language in several of its 

 dialects." 



To this may be added the following from Dr. J. C. Branner, one of 

 his assistants on the Commission : " It is not difficult to sum up Hartt's 

 influence upon geological work in Brazil, for with very few exceptions 

 all the work of this character which has been done in that country since 

 lS7-i is traceable, either directly or indirectly, to the impetus given it 

 by Hartt. For the most part, the work has been done by somfe of Hartt's 

 students and assistants ; and as he was not a narrow specialist, but a 

 broad-minded naturalist, his students have also done other than purely 

 geological work. . . . But Hartt's good influence has done even 

 more for Brazil in keeping up the tone and character of scientific work 

 than in the results thus far published. A country situated as Brazil 

 is, far removed from the centres of scientific activity, is often the prey 

 of the grossest forms of scientific charlatanism. Hartt and his assistants 

 naturally came in contact with this class of men, but he so impressed 

 the leading men of the empire with his ability and integrity that char- 

 latanism was never able, in. his presence, to make much headway." 



" Brazil lost," says Mr. Derby, " a victim of her climate and in 

 part, perhaps, of her backwardness in scientific matters, one of the most 

 (if not the most) active, profound, versatile and disinterested investi- 

 gators that ever set foot in the country. It may almost be said without 

 exaggeration that in the geological and archœological literature of Brazil 

 Hartt's contributions outweigh all the rest put together ; and it is not 

 mal apropos to add that all these contributions were made without direct 

 aid from the public purse, since few of the results of his official labours 

 reached the point of being prepared for the press, and -of these few a 

 part is still inedited."^ 



Of the published works of Prof. Hartt, that on the "Geology and 



1 Orville A. Derby : As Investigaçoes Geologicas do Brazil. (Extract da " Re- 

 vista Brazileira," T. II, 9« Fasc, 1 de maio, de 1895). 



