GEOLOGY OF PERU ADAMS. 429 



1870. — Conrad, T. A. Description of new fossil shells from the Upper Amazon 

 Tertiary. Amer. Journ. Conchology, Vol. VI, p. 192, 1870. 



1870. — Nelson, Edward T. On the moUuscan fauna of the late Tertiary of 

 Peru. (From Zorritos, presented to Yale College in 1867 by E. P. Larkin and 

 Prof. F. H. Bradley.) Trans. Conn. Acad. Sci., Vol. 2, p. 186, 1870. 



1873. — Raimondi, Antonio. El departamento de Aucachs y sus riquezas 

 minerales. Lima, 1873. Parte segunda : Geologia. 



1874. — Conrad, T. A. Remarks on the Tertiary clays of the upper Amazon, 

 with description of new shells. Proc. Acad, of Nat. Sci. Phila., Vol. XXVI, 

 p. 25, 1874. 



1876. — Agassiz, Alexander. Hydrographic sketch of Lake Titicaca. Proc. 

 Amer. Acad, of Arts and Sci., 1876. New Series, Vol. Ill, p. 283. 



1876.— Derby, O. A., and Agassiz, Alexander. Notice of the Paleozoic 

 fossils (from Lake Titicaca region), with notes by Alexander Agassiz. Bull. 

 Mus. Comp. Zoology, Harvard College, 1876, Vol. Ill, No. 12, pp. 276-286. 



1876. — Agassiz, Alexander, and Pourtales, L. F. Recent corals from Tilibiche, 

 Peru (now in Chile). Bull. Mus. Comp. Zool. Harvard College, Vol. Ill, p. 287, 

 1876. 



1877. — Gabb, W. M. Description of a collection of fossils made by Dr. 

 Antonio Raimondi, in Peru. Journ. Acad. Nat. Sci., Philadelphia, 1877, new 

 series. Vol. VIII, Part III, p. 263. (Contains a synopsis of South American in- 

 vertebrate paleontology and a bibliography of South American paleontology). 



1881. — Steinmann, Gustav. tjber Tithon und Kreide in den Peruanischen 

 Anden. Neues Jahrbuch, 1881, p. 130. 



1883. — Pfliicker y Rico, L. Apuntes sobre el distrito mineral de Yauli. 

 Auales de Const. Civiles y de Minas del Perfi, Tomo III, 1883. 



1891. — Steinmann, G. " A sketch of the geology of South America." Ameri- 

 can Naturalist, 1891, pp. 855-860. Read before the Geological Society of 

 America Aug. 25, 1891. This sketch accompanies a map which forms a second 

 edition of the Physical Atlas of Berghausen (Gotha Justus Perthes). Abstract 

 and discussion, Bull. Geol. Soc. Amer., 1891, Vol. Ill, p. 13. Full paper in 

 American Naturalist. 



1892. — Ulrich, Arnold. Palaeozoische Versteinerungen aus Bolivien. Beilage- 

 band. Neues Jahrbuch, Vol. VII, p. 5, 1892. 



1892. — Wolf, Theodore. Geografia y Geologia del Ecuador. Publicado por 

 orden del Supremo Gobierno de la Repliblica (with 2 maps). Leipzig, 1892. 



1897. — Balta, Jose. Observaciones hechas en un viaje a Carabaya 1897. 

 Bol. de la Soc, Geogr. de Lima, T. VII, Nos. 1-2-3, Vol. for 1897-8. 



1897. — Gerhardt, K. Beitriige zur Kentniss der Kreideformation in Venezuela 

 und Peru. Neues Jahrbuch, Beilageband XI, 1S97. 



1899. — Grzybowski, Josef. Die Tertiiirablagerungen des nordlichen Peru und 

 ihre Molluskenfauna. Neues Jahrbuch, Beilageband XII, 1899. 



1899. — Balta, Jose. El system carbonlfero en el Perti con un mapa. La 

 Revista Cientiflca, Tomo II, Lima, 1899. 



1899. — Peruvian Meteorology, Solon I. Bailey and Edward C. Pickering. Cam- 

 bridge, 1899. Annals of the Astronomical Observatory of Harvard College (at 

 Arequipa, Peru), vol. 39, part 1. (See Chapter II on configuration and heights 

 of the Andes, limits of perpetual snow, etc.) 



1900.— Fuchs, F. C. Nota sobre el terreno carbonlfero de la peninsula de 

 Paracas. Bol. de Minas, Tomo XVI, p. 50, Lima, 1900. 



1902. — Raimondi, Antonio. El Perta. Tomo IV. Estudios mineral6gicos y 

 geologicos (primera serie), (1902), edited by Jose Balta. 



