OT TTIE SERGIPE-ALAGOAS BASIN OF BKAZIL. 431 



Gardseu, GEOncE. — Geological Notes made during a Journey from the Coast into tlie Interior of the Province of 

 Ceard, in the North of limzil, embracing an Account of a Deposit of Fossil Fishes, by George Gardner, Esq. 

 Edinburgh New Philosophical Journal, April, 1841, p. 75 el »<q. 



Hautt, C'h. Fued.— The American Naturalist, Vol.11, March, 18G8, No. 1. A Naturalist in Brazil, by Ch. Fred. 

 Harlt. 



Brief description and illustrations of the geology of the Abrolhos. The same is 

 given more fully in the author's larger work upon the Geolog}' and Physical Geog- 

 raphy of Brazil. 



Hartt, Cu. Fred.— On the Growth of the South American Continent, by Ch. Fred. Hartt. The Cornell Era (Ithaca, 

 N. Y.), December 12, 1808. 



This paper deals with the dynamic movements of the continent, and gives the 

 general order and distribution of the various formations, 



Hautt, Prof. Cb. F.— Amazonian Drift, by Prof. Ch. F. Hartt. American Journal of Science, April, 1871, pp. 

 294-296. 



The writer expresses the opinion that the horizontally bedded sandstones and 

 clays of the Amazon region referred by Agassiz to glacial drift are tertiary. 



H.^uTT, Prop. Charles Fred.— On the Tertiary Basin of the Maranon, by Charles Fred Hartt. American Journal of 

 Science, Vol. IV, July, 1872, pp. 53-58. 



This article deals with the teiliary beds of the Upper Amazon region. 



Hartt, Chas. Fred.— Recent Explorations in the Valley of the Amonzonas, by Chas. Fred. Hartt. Journal of the 

 American Geographical Society, New York, Vol. HI, 1872, pp. 231-252. 



The then known extension of the cretaceous in the Amazon Valley is mentioned, 

 and there are a few notes upon the tertiary. The author reiterates his belief in the 

 tertiary age of the Serras of Pai I'l. 



Hartt, Chas. Fred.— Preliminary Report of the Morgan E.xpedilion, 1870-71. Report of a Reconnoissance of the 

 Lower Tapajos, by Chas. Fred. Hartt. Bulletin of the Cornell University (Science), Vol. I, No. 1, Ithaca, 

 N. Y., 1874, pp. 1-37. 



This paper sketches the work done by the Morgan Expedition, and contains a 



few unimportant references to the tertiary beds in the Lower Amazon region. 



Hartt, Cn. Fred.— Contributions to the Geology and Physical Geography of the Lower Amazonas, by Chas. Ficd. 

 Hartt. Bulletin of the Buffalo Society of Natural Science, January, 1875, pp. 201-235. 



Contains good descriptions and sketches of the tertiary geology of the Lower 

 Amazona.s. 



Hartt, Charles Fred.— Pelalorlo Prclimlnar dos Trabalhos da CommissAo Geologica na Provlnciii de Pcrnnmlmro, 

 por C'h. Fred. Harlt, Chcfe da mesina Coinmissilo, Rio dc Janeiro, 187.';. 



This paper contains a few brief notes upon the cretaceous geology of the prov- 

 ince of Pernambuco. 



