16 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, [bull. 271. 
Adams (Frank D.). 
1. On a new nepheline rock from the Province of Ontario, Canada. 
Am. Jour. Sci., 4th ser., vol. 17, pp. 269-276, 1904. 
Describes the occurrence, characters, and composition. 
2. Geophysical investigations suggested. 
Carnegie Inst, of Wash., Yearb. no. 2, 1903, pp. 195-201, 1904. 
Sets forth lines of investigations of igneous and metamorphic rocks. 
Aguilera (Jose G.). 
1. [The great Bacubirito meteorite of Mexico.] 
Am. Geol., vol. 33, p. 267, 1904. 
Gives data in regard to the Bacubirito meteorite. 
2. Sobre las condiciones tectonicas de la llepiiblica Mexicana. 
Mexico, Oficina Tip. de la Secretaria de Fomento, 34 pp., 1901. 
Gives a general account of the geologic structure of Mexico. 
Alcala (Maximino). 
1. Criaderos de petroleo de Pichucalco, Estado de Chiapas [Mexico]. 
Soc. Cient. Antonio Alzate, Mem. y Rev., t. 13, pp. 327-335, 2 pis., 1903. 
Describes the occurrence, geologic relations, and character of petroleum fron 
this locality. 
Aldrich (T. H.). 
1. A new oyster from the Eocene of Alabama. 
Nautilus, vol. 18, p. 61, 1 pi., 1904. 
Allen (J. A.). 
1. A fossil porcupine from Arizona. 
Am. Mus. Nat. Hist., Bull., vol. 20, pp. 383-384, 1904. 
Althouse (H. W.). 
1. The Norton coals of the Big Sandy basin. 
Eng. & Mg. Jour., vol. 77, pp. 235-236, 2 figs., 1904. 
Describes the location, topography, and general geology of the field, and tb .■ 
character, occurrence, and geologic relations of the coal seams. 
Ami (H. M.). I 
1. Bibliography of Canadian geology and paleontology for the yea: 
1902. 
Can. Roy. Soc, Proc. & Trans., 2d ser., vol.9, sect. 4, pp. 173-188, 1903. 
Anderson (F. M.). 
1. Stratigraphy of the southern Coast ranges of California. 
Abstract: Geol. Soc. Am., Bull., vol. 15, pp. 581-582, 1904. 
Anger m ami (Ernesto). 
1. Informe acerca de la fisiografia, geologia e hidrologia de los aire 
dedores de La Paz, Baja California. 
Mexico, Bol. de la Secretaria de Fomento, 2«. ep., ano 3, IV, pp. 216-283, 1904 
Mexico, Inst. Geol., Par., t. 1, pp. 31-49, 2 pis., 1904. 
Gives physiographic, geologic, and hydrologic observations upon the environ 
of La Paz in Lower California. 
