INDEX 



301 



active principle of the superarenal 

 gland, 225 



* Digitalis standardization and the 



variability of crude and of medic- 

 inal preparations, 98 



*Hall, C. W. Geology and under- 

 waters of southern Minnesota, 237 



*Harris, R. A. Arctic tides, 30. 



Hates, C. W. Geological features 

 bearing on the construction of the 

 Panama Canal, 46 



* The state geological surveys of 



the U. S., 38 



*Hazard, D. L. Directions for mag- 

 netic measurements, 31 



* Results of observations made at 



the Coast and geodetic survey 

 magnetic observatory at Chelten- 

 ham, Md., 1907 and 1908; . . . 

 at Sitka, Alaska, 1907 and 1908; 

 . . . near Honolula, Hawaii, 

 1907 and 1908, 32 



*Heath, H. Special investigation of 

 Alaska fur-seal rookeries, 2S9 



*Hexry, A. J. Variations of tempera- 

 ture at summit and base stations 

 in the central Rocky Mountain 

 region, 233 



*Herrick, F. H. Natural history of 

 the Amer. lobster, 164 



Hersey, M. D. A criterion for best 

 magnitudes in precise measure- 

 ment, 187 



*Hess, F. L. An occurrence of strii- 

 verite, 88 



Hollick, Arthur. Discussions of the 

 Cretaceous and Tertiary floras of 

 Alaska, 142 



*Hough, \Y. Hoffman Philip Abys- 

 sinian ethnological collection, 165 



*Hubbard, P. Bitumens and their 

 essential constituents for road con- 

 st ruction and maintenance, 136 



Bituminous dust preventives and 



road binders, 100 



* Methods for the examination of 



bituminous road materials, 137 



*Huber, C. J. A comparison of Amer. 

 direct-current switchboard volt- 

 meters and ammeters, 153 



*Humphreys, W. J. The Aleutian and 

 Icelandic lows, 29 



The amount and vertical distribu- 

 tion of water vapor on clear days, 1 



* Levels of maximum and minimum 



cloudiness, 78 



* Origin of the permanent ocean 



highs, 78 



* Some weather proverbs and their 



justification, 30 



* Vertical temperature gradients 



and convection limits, 29 



*Htjnt, R. The effects of a number of 

 derivatives of choline and analo- 

 gous compounds on the blood 

 pressure, 97 



* Influence of diet on the thyroid 



gland, 209 



* Pharmacopoeial standard for 



desiccated thyroid glands, 182 



Jaeger, F. M. Melting temperatures 

 of sodium and lithium metasili- 

 cates, 49 



— ■ — On doubly refracting liquids and 

 the so-called liquid crystals, 101 



Mohnson, E. C. Rusts of grains in 

 the U. S., 241 



* Timothy rust in U. S., 242 



Johnston, J. A correlation of the 

 elastic behavior of metals with 

 certain of their physical constants, 

 260 



*Ivempfer, W. H. The preservative 

 treatment of poles, 40 



*Kimball, H. H. Some causes of varia- 

 tion in the polarization of sky- 

 light, 77 



*Knapp, J. B. Properties and uses of 



Douglas Fir, 134 

 Knowlton, F. H. Remarks on 1 he 



fossil turtles accredited to the 



Judith River formation, 64 

 *Lathrop, E. C. Methoxyl in soil 



organic matter, 124 



