INDEX. 
213 
Bibliography— Continued . 
Clays and the ceramic arts : Branner, 
283. 
Coal, 2419. 
and lignite of Montana : Rowe, 2090. 
papers on, published by U. S. Geo- 
logical survey : Lee and Nickles, 
1549. 
Colorado, Cripple Creek district: Lind- 
gren and Ransome, 1604. 
Florissant Tertiary lake basin : Hen- 
derson, 1127. 
Connecticut : Gregory, 1037. 
Condon, T., writings : Washhurne, 
2481. 
Continental sbelf off Nova Scotia : 
Poole, 1942. . 
Corals : Duerden, 748. 
Paleozoic, early stages of: Gordon, 
976. 
Cycads, American fossil : Wieland, 
2574. 
Dinosaurs. Triassic : Huene, 1256. 
Eldridge, G. II., writings: Cross, 605; 
Emmons, 792. 
Flight in vertebrates : Lull, 1630. 
Fluorspar: 2419. 
Folios of U. S. Geologic atlas: Hayes, 
1110. 
Geology and paleontology, reference 
books : Whitlock, 2564. 
Georgia, Altamaha grit region: Har- 
per. 1077. 
Glacial lakes Chicago, Algonquin, and 
Nipissing : Goldthwait, 975. 
Glaciers of United States in 1905 : 
Reid, 2010. 
Glaucopha ue hearing rocks of Cali- 
fornia : Smith, 2242. 
Granite, economic geology of: Dale, 
623. 
Gypsum : 2419. 
Hatcher, J. B., writings: Osborn, 
1842; Scott, 2153, 
Herrick, C. L., writings: 2672. 
Iron, Hartville Iron-ore range: Ball, 
122. 
Virginia : Eckel, 765. 
John Day region: Merriam and Sin- 
clair, 1717. 
Jorullo, volcano: Villafana :, 2447. 
King, C, writings: Emmons, 802. 
Lead, upper Mississippi Valley: Bain, 
99; Grant, 1017. 
Virginia-Tennessee ; Watson, 2484. 
Lignite, Mississippi: Brown, 326. 
Montana : Rowe. 2090. 
Limbs, modifications for aquatic life: 
Osburn, 1849. 
Louisiana : Veatdi. 2436, 2437. 
McCalley, II., writings: Smith. T2'2'A. 
Mammalia, modifications of occipital 
condyles : Mead, 170 1. 
Marshes : Penhallow, 1898. 
Maryland. Calvert County : Shattuck, 
•-'INC. 
Geological survey publications: 
(Mark, 484. 
Bibliography— Continued. 
Maryland. Pliocene and Pleistocene : 
Shattuck, 2184. 
St. Mary's County: Shattuck, 2189. 
Massachusetts, Nantucket, glacial geol- 
ogy : Wilson, 2610. 
Meek, E. P,., writings : White, 2539. 
Mica : 2419. 
Mineral waters : 2418. 
Mineralogy, reference books : Zirkel, 
2666. 
Minerals, Galena-Joplin district : Rog- 
ers, 2081. 
Montana, coal and lignite : Rowe, 2090. 
Mounds, natural, origin : Campbell, 395. 
Newberry, J. S., writings : White, 2540. 
New York, Long Island : Veatch, 2434. 
Schoharie Valley: Grabau, 991. 
Niagara Bryozoa : Bassler, 157. 
North American geology, 1901-1905 : 
Weeks. LT.0r>. 
Ohio : Derby, 712 ; Prosser, 1962. 
Peat: Holmes et ah, 1214; I'armelee 
and McCourt, 1874. 
Pectens, Tertiary and Pleistocene : 
Arnold, 57. 
Penfield, S. L., writings : Pirsson, 1931. 
Petroleum: Redwood, 2005. 
southern California : Eldridge and 
Arnold, 779. 
Petrology, reference books : Zirkel, 
2666. 
Placodermata, Arthrodira : Hussakof, 
1 258. 
Phytosauria : McGregor, 1664. 
Platinum : 2418. 
Pleistocene, California : Arnold, 57. 
Maryland: Shattuck, 2184. 
South Carolina : Pugh, 1963. 
Pliocene. Maryland: Shattuck, 2184. 
Precious stones : 241!?. 
Quicksilver : 2418. 
Reptilia : I s, 1551. 
Champsosaurus : Brown, 322. 
Permian : Case. 441. 
Phytosauria : McGregor, 1664. 
Salt: 2418. 
Slate : Dale and Eckel. 625. 
South Carolina, Pleistocene: Pugh, 
1963. 
Tennessee, lead and zinc: Watson, 
24 84. 
Terracing, river : Fisher. 875. 
Tertiary. California: Arnold. 57. 
Thorium minerals : 2419. 
Tin. Alaska : Fay, 856. 
Trask, J. B., writings: Vogdes, 2401. 
Trilobita, Silurian of North America : 
Weller, 2521. 
Tungsten: Van Wagenen, 2425. 
Turquoise : Zalinski, 266 !. 
Underground waters, publications by 
C. S. Geological survey: Fuller, 
903. 
Vermont : Richardson. 1!037. 
Vertebrate limbs, origin : Osburn, 1850. 
Vertebrates, flight of: Lull, KJ;;u. 
