796.

1877-Gilbert (G. K.), Howell (E. E.), and Loew (Oscar). Parts of Eastern and Southeastern Arizona, Western and Southwestern New Mexico. Scale, 1 inch to 8 miles, or 1: 506,880.

Accompanying "Geological atlas projected to illustrate geographical ex. plorations and surveys west of the 100th meridian of longitude, under the command of First Lieut. Geo. M.Wheeler." Sheet number 83. New York, 1877. The Wheeler Geological Atlas, containing eleven sheets, published between 1875 and 1881, inclusive, is a very important contribution to our knowledge of the geology of the western regions.

797.

1877-Stevenson (J. J.). Part of North Central New Mexico. Scale, 1 inch to 4 miles, or 1:253,440.

Accompanying "Geological atlas projected to illustrate geographical explorations and surveys west of the 100th meridian of longitude, under the command of First Lieut. Geo. M. Wheeler." (New York.) (1877.)

See the same map by Stevenson (J. J. ), 1881-No. 800.

798.

1881-Gilbert (G. K.), Marvine (A. R.), and Howell (E. E.). Parts of Colorado and New Mexico. Scale, 1 inch to 4 miles, or 1: 253,440. Accompanying "Geological atlas projected to illustrate geographical explorations and surveys west of the 100th meridian of longitude, under the command of First Lieut. Geo. M. Wheeler." New York, 1876.

Parts of sheets number 69, 77, and 78 of the geographical atlas, but in one sheet only of geological atlas.

799.

1881-Stevenson (J. J.). Parts of Southern Colorado and Northern New Mexico. Scale 1 inch to 4 miles, or 1:253,440.

Accompanying “Geological atlas projected to illustrate geographical explorations and surveys west of the 100th meridian of longitude, under the command of First Lieut. Geo. M. Wheeler." Sheet number 70 A. New York, 1881.

A first and very limited issue of this sheet was issued in May, 1877.

800.

1881-Stevenson (J. J.). Part of North Central New Mexico. Scale, 1 inch to 4 miles, or 1:253,440.

Accompanying "Geological atlas projected to illustrate geographical explorations and surveys west of the 100th meridian of longitude, under the command of First Lieut. Geo. M. Wheeler." Sheet number 70 C. New York, 1881.

It is a second edition; the first being issued in May, 1877, but not distributed.

801.

1881-Stevenson (J. J.). Part of Colorado and New Mexico. Scale, 1 inch to 4 miles, or 1:253,440.

Accompanying "Geological atlas projected to illustrate geographical explorations and surveys west of the 100th meridian longitude, under the command of First Lieut. Geo. M. Wheeler." New York, 1881.

Parts of sheets numbers 69 B, 69 D, 77 B, and 78 A, in one single sheet.
Prof. Cope and Dr. Oscar Loe assisted in part for the fragment of map
No. 69 D.

N. B.-The three last maps by Stevenson (J. J.), Nos. 779, 800, and 801, were placed in pocket in back of Vol. III.-Supplement-Geology.-In Report upon Unite States geographical surveys west of the 100th meridian, in charged of Captain Geo. M. Wheeler. 4°. Washington, 1881.

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XVIII.-MEXICO.
802.

1832-Burkhart (Joseph). Geognostische Skizze des Weges von Tlalpujahua nach Huetamo dem Jorullo und Valladolid. Maasstab. von 20 leguas 26.63 auf einen Grad.

Accompanying "Geognosticha Bemerkungen, gesammelt auf einer Reise von Tlalpujahua nach Huetamo, dem Jorullo, Patzcuaro, und Valladolid, im Staate von Michoacan." Karsten Archiv für Mineralogie, &c. Vol. V, Plate III. Berlin, 1832.

803.

1836-Burkhart (Joseph). Karte des Gebirges von Zacatecas.

Accompanying "Aufenthalt und Reisen in Mexico in den Jahren 1825 bis 1834." Stuttgart, 1836.

Not seen.

804.

1838-Galeotti (H. G.) Carte géognostique des environs de Zimapan au Méxique.

Accompanying "Notice géologique sur les environs de San José del Oro.” Bulletin de l'Académie royale de Belgique, Vol. V, p. 737. Bruxelles, 1838.

805.

1864-Egloffstein (Baron F. W.) and Gerolt (Baron Frederich von). Geological map and profiles of some of the principal mining dis tricts of Mexico. Scale of 12 miles to the inch, or 1: 760,320. Accompanying "Contributions to the geology and the physical geography of Mexico." New York, 1864.

Egloffstein is only the editor. The true author of the geological map, profiles, and descriptions is Baron Frederick von Gerolt, formerly Prussian min. ister at Mexico and afterwards at Washington.

806.

1865-Dollfus (Auguste) and Montserrat (Eugène de). Croquis géologique et topographique des environs de Toluca. Scale, 1: 300,000. Accompanying "Archives de la commission scientifique du Mexique." Tome III, p. 28. Paris, 1867.

807.

1867-Dollfus (Auguste), Montserrat (Eugène de), et Pavie (Paul). Carte géologique du district minier de Zomelahuacan. Scale, 1:75,000. Accompanying "Archives de la commission scientifique du Mexique.” Tome II, p. 338. Paris, 1867.

808.

1871-Barroso (Agustin). Carta geologica del istmo de Tehuantepec, formada por la comision Mexicana que exploro el Istmo el ano, 1871. Scale, 1: 500,000.

Accompanying "Memoria sobre la geologia del istmo de Tehuantepec." Anales del ministerio de Fomento de la republica Mexicana." Tomo III, p. 330. Mexico, 1880.

Date of exploration, 1871. Date of report, April, 1874, and date of publication, 1880.

809.

1871-Castillo (Antonio del). Mapa topografico y geognostico de las immediaciones de las minas de azogue del Tequezquite en el departmento de Zacatecas. Scale, 3,000 varas mexicanas.

Accompanying "Memoria sobre las Minas de azogue de America." La Naturaleza, p. 48. 49. Mexico, 1871.

Black, with mineralogical indications.

810.

1871-Spear (J. C.). Geological map of the isthmus of Tehuantepec. Accompanying "Reports of exploration and surveys, to ascertain the practicability of a ship canal between the Atlantic and Pacific Oceans," by Robert W. Shufeldt, Captain, U. S. N. 4°. Washington, 1872. More exactly, a mineralogical and lithological map.

811.

1873-Barcena (Mariano). Croquis geologico de una parte del estado de Queretaro.

Accompanying "Memoria presentada al Senor don Blas Balcarcel, director de la escuela especial de Ingenieros." Ministerio de justicia e instruccion publica de los Etados-Unidos Mexicanos. P. 9. 4°. Mexico, 1873.

1875-Iglesias (Miguel), Barcena (Mariano), et Matute (J. I.). Plano geologico del volcan del Ceboruco. Scale, 1:75,000.

Accompanying Memoria de la comision exploradora del volcan del Ceboruco," near Tepic Jalisco. Anales del ministerio de Fomento de la republica Mexicana. Tomo I, p. 115, febrero de 1877. Mexico, 1877.

813.

1876-Barcena (Mariano). Carta geologica de una parte del estado de Aguas Calientes.

Accompanying "Noticia geologica del Estado de Aguas calientes." El Propagador industrial. Tomo I, p. 348. 4°. Mexico, 1876.

814.

1877-Barcena (Mariano). Formacion geologica del camino de Pachuca a Jacala y del distrito de este nombre, en el estado de Hidalgo. Accompanying "Noticia cientifica de una parte del estado de Hidalgo." Anales del Ministerio de Fomento de la republica Mexicana. Tomo I. Marzo de 1877, p. 340. Mexico, 1877.

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XIX.—WEST INDIES OR ANTILLES, COMPRISING ALL THE ISLANDS BETWEEN THE BAHAMAS AND TRINIDAD.

815.

1819-Nugent (Nicholas). Map of the island of Antigua, in the West Indies.

Accompanying "A sketch of the geology of the island of Antigua." Transactions of the Geological Society. 4°. Vol. V, Plate XXXII. London, 1821.

816.

1821-Maycock (J. D.). Geological map of Barbadoes.

Accompanying “Geological description of Barbadoes, with a map of the island." The quarterly journal of science of the Royal Institution of Great Britain. Volume XI, Pl. I. London, 1821.

817.

1825-De la Beche (H. T.). Geological map of part of Jamaica.

Accompanying "Remarks on the geology of Jamaica." Transactions of the
Geological Society, 2d series, 4° Vol. II, Part II, Plate XVIII. London, 1827.

818.

1843-Taylor (R. C.). Rough sketch or reconnaissance of the copper region and of the geology of the Savanna region of Gibara in the island of Cuba. Scale, 1 mile to 1 inch.

Accompanying "Memoir on the character and prospects of the copper region
of Gibara, and a sketch of the geology of the northeast part of the island of
Cuba." Trans. Amer. Phil. Soc. New Series, 40, Vol. IX, Article VII,
XXXIII. Philadelphia, 1846.

Black with geological indications.

Plate

819.

1860-Wall (G. P.) and Sawkins (J. G.). Geological map of Trinidad. Scale, 1 inch to 4 miles.

Accompanying "Report on the geology of Trinidad." London, 1860.

820.

1864-Duncan (P. M.) and Wall (G. P.). Geological sketch-map of the district of upper Clarendon, Jamaica.

Accompanying "A notice of the geology of Jamaica, especially with reference to the district of Clarendon." Journ. Geol. Soc. London, Vol. XXI, p. 3. London, 1865.

Black etching.