540 



INDEX 



Fassig, O. L. Hurricanes of the West 

 Indies and other tropical cyclones, 

 246 



Fbnnbk, C. N. The various forms of 

 silica and their mutual relations, 

 471 



*Fewkes, J. W. Western neighbors of 

 the prehistoric Pueblos, 137 



*Fowle, F. E. Spectroscopic determi- 

 nation of aqueous vapor, 318 



Franklin, E. C. The ammonia sys- 

 tem of acids, bases and salts, 215 



A theory of the mercury ammonia 



compounds, 290 



*Fraser, C. M. Some hydroids of 

 Beaufort, N. C. 425 



*Frost, W. H. Transmission of polio- 

 myelitis by the stable fly (Sto- 

 moxys calcitrans) , 534 



♦Fuller, M. L. The New Madrid 

 earthquake, 350 



*Gale, H. S. Alunite, a newly dis- 

 covered deposit near Marysvale, 

 Utah, 193 



♦Gilbert, C. H. Fishes from Bering 

 Sea and Kamchatka, 323 



Gray, A. W. New methods for dis- 

 placement measurements and tem- 

 perature uniformity applied to the 

 determination* of linear expansiv- 

 ity, 248 



♦Grant, U. S. Reconnaissance of the 

 geology and mineral resources of 

 Prince William Sound, Alaska, 100 



♦Gregory, H. E. Granites of Con- 

 necticut, 159 



Harper, 3rd, D. R. Thermometric 

 lag, 202 



♦Hartley, C. P. Damping off of seed- 

 lings, 468 



♦Hayford, J. F. Effect of topography 

 and isostatic compensation upon 

 the effect of gravity, 189 



♦Heald, F. D. A plant disease survey 

 in the vicinity of San Antonio, 

 Tex., 227 



♦Henry, A. J. Daily changes in tem- 

 perature up to 4,000 meters, 486 



♦ Temperature of Mount Weather, 



Va. and adjacent valley stations, 

 268 



Herre, W. C. T. Supplement to the 

 Lichen flora of the Santa Cruz Pen- 

 insula, Cal., 380 



♦Hewitt, D. F. Vanadium deposits 

 in Peru, 230 



♦Higgins, D. F. Reconnaissance of 

 the geology and mineral resources 

 of Prince William Sound, Alaska, 

 100 



♦Hitchcock, A. S. Botanizing in Pan- 

 ama, 213 



♦ Notes of travel in Central Amer- 

 ica, 142 



♦Hollmann, H. T. The artificial cul- 

 tivation of the bacillus of leprosy, 

 86 



♦ Attempts at specific therapy in 



leprosy 101 



♦ Further observations in rat lep- 

 rosy, 87 



♦ A statistical study of the nasal 



lesions in leprosy, 88 



♦Holstetter, J. C. A rapid method 

 for the determination of vanadium 

 in steels, ores, etc., based on its 

 quantitative inclusion by the phos- 

 phomotybdate precipitate, 157 



Hopkins, A. H. The story of evolu- 

 tion as revealed by a scolytid beetle, 

 129 



♦Hough, Walter. Censers and in- 

 cense of Mexico and Central Amer- 

 ica, 271 



♦Hrdlicka, Ales. Natives of Kharga 

 Oasis, Egypt, 271 



♦Hubbard, P. Coke -Oven tars of the 

 United States, 532 



♦ Effect of exposure on bitumens, 



531 



Humphreys, W. J. Dust layers in the 

 atmosphere and changes in the 

 neutral points of sky polarization, 

 241 



♦ The earth's radiation zones, 99 



♦ Echelon clouds, 317 



