558 Scientific Intelligence. 



town-Tower District; by Daniel E. Willard. Pp. 10 ; 9 maps, 

 6 figures. 



Professional Papers. — No. 64. The Yakutat Bay Region, 

 Alaska. Physiography and Glacial Geology ; by Ralph S. Tarr. 

 Areal Geology by Ralph S. Tarr and Bert S. Butler. Pp. 

 183; 37 plates, 10 figures. 



No. 66. The Geology and Ore Deposits of Goldfield, Nevada; 

 by Frederick Leslie Ransome, assisted in the field by W. H. 

 Emmons and G. H. Garret. Pp. 258, 34 figures. 



No. 67. Landslides in the San Juan Mountains, Colorado, 

 including a consideration of their causes and their classification ; 

 by Ernest Howe. Pp. 58 ; 20 plates, 4 figures. 



Bulletins. — No. 341. Contributions to Economic Geology, 



1907. Part II. Coal and Lignite. Marius R. Campbell, Geol- 

 ogist in charge. Pp. 444 ; 25 plates, 7 figures. 



No. 385. Briquetting Tests at the United States Fuel-Testing 

 Plant, Norfolk, Virginia, 1907-8 ; by Charles L. Wright. Pp. 

 41 ; 9 plates. 



No. 389. The Manzano Group of the Rio Grande Valley, 

 New Mexico ; by Willis T. Lee and George H. Girty. Pp. 

 141 ; 12 plates, 9 figures. 



No. 391. The Devonian Fauna of the Ouray Limestone; by 

 E. M. Kindle. Pp. 60 ; 10 plates. 



No. 392. Commercial Deductions from Comparisons of Gaso- 

 line and Alcohol Tests on Internal-Combustion Engines; by 

 Robert M. Strong. Pp. 37. 



No. 393. Incidental Problems in Gas-Producer Tests ; by 

 R. H. Fernald, C. D. Smith, J. K. Clement and H. A. Grine. 

 Pp. 27 ; 8 figures. 



No. 395. Radioactivity of the Thermal Waters of Yellow- 

 stone National Park ; by Herman Schlundt and Richard B. 

 Moore. Pp. 35 ; 4 plates, 7 figures. 



No. 399. Results of Spirit Leveling in West Virginia 1896 to 



1908, inclusive. Compiled by S. S. Gannett and D. H. Baldwin. 

 In cooperation with the West Virginia State Geological Survey 

 during 1901 to 1908, inclusive. Pp. 81. 



No. 401. Relations between Local Magnetic Disturbances and 

 the Genesis of Petroleum ; by George F. Becker. Pp. 24 ; 

 1 plate. See p. 499. 



No. 402. The Utilization of Fuel in Locomotive Practice ; by 

 W. F. M. Goss. Pp. 27, 8 figures. 



No. 403. Comparative Tests of Run-of-Mine and Briquetted 

 Coal on the Torpedo Boat Biddle. Made, with the collaboration 

 of Lieut. Commander Kenneth McAlpine, U. S. N., and Ensign 

 J. W. Hayward, U. S. N. ; by Walter T. Ray and Henry 

 Kreisinger. Pp. 48 ; 10 figures. 



Water-Supply Papers. — No. 224. Some Desert Watering 

 Places in Southeastern California and Southwestern Nevada ; by 

 Walter C. Mendenhall. Pp. 98; 4 plates. 



No. 227. Geology and Underground Waters of South Dakota ; 

 by N. H. Darton. Pp. 156 ; 15 plates, 7 figures. 



