620 



INDEX 



Sanford, Samuel. *Geology and 



ground waters of Florida. 458. 

 ScHALLER, Waldemar T. Cebollite, 



a new mineral. 480. 

 Mineralogical notes. Series 3. 



354. 

 Pintadoite and uvanite, two new 



vanadium minerals from Utah : A 



preliminary note. 576. 

 The identity of empressite with 



muthmannite. 497. 



Schrader, F. C. Andradite and ged- 

 rite from a contact metamorphic 

 zone in the Washington-Duquesne 

 camp, Arizona. 382. 



ScnuLTZ, A. R. *Geology and geog- 

 raphy of a portion of Lincoln 

 County, Wyoming. 370. 



Scofield, C. S. Chinese wild rice. 262. 



Shaw, Eugene Wesley. So-called 

 waterlaid loess of the central 

 United States. 298. 



The characteristics of the Missis- 

 sippi delta in the light of some ob- 

 servations on Old World deltas. 

 298. 



*The mud lumps at the mouths of 



the Mississippi. 221. 



Shantz, H. L. *Indicator significance 

 of vegetation in Tooele Valley, 

 Utah. 228. 



Reviewed paper by Sir Francis 



Darwin, on stomatal adjustment. 

 262. 

 *The water requirements of plants. 



I. Investigations in the Great 

 Plains in 1910 and 1911. 6. 



*The water requirement of plants. 



II. A review of the literature. 7. 



Shedd, J. C. *The history of Ohm's 

 law. 72. 



Shoemaker, D. N. Some Chinese hor- 

 ticultural Brassica species. 85. 



Shrader, J. H. The reactions of pro- 

 pyliodide with both the ions and 

 the molecules of sodium phenolate. 

 332. 



SiEvERS, A. F. *Individual variation 

 in the alkaloidal content of bella- 

 donna plants. 118. 



Simpson, H. E. *Underground water 

 resources of Iowa. 196. 



Smith, N. R. Bacterial precipitation 

 of calcium carbonate. 400. 



Smith, Philip S. *The Noatak-Kobuk 

 region, Alaska. 161. 



Smith, W. H. The iodine number of 

 linseed and petroleum oils. 316. 



Snyder, John Otterbein. The fishes 

 of the Lahontan drainage system 

 of Nevada and their relation to the 

 geology of the region. 299. 



SosMAN, R. B. AUotropy from the 

 physico-chemical standpoint. 235. 



A method for determining the e.\- 



pansion of liquid metals. 88. 



Spalding, P. Present status of the 

 white pine blister rust. 262. 



Spencer, G. B. Goettingen. 36. 



Standley, Paul C. *Descriptions of 

 new plants, preliminary to a report 

 upon the flora of New Mexico. 64. 



*Plants of the Alpine Club expedi- 

 tion to the Mount Robson Region. 

 74. 



The genus Arthrocnemum in North 



America. 398. 



Stebinger, Eugene. Stratigraphy of 

 the Montana group (Upper Cre- 

 taceous) in northwestern Montana 

 and its relation to the Belly River 

 beds and Judith River formation. 

 383. 



Steiger, George. The relative abun- 

 dance of several metallic elements. 

 58. 



Stephenson, L. W. The Cretaceous- 

 Eocene contact in the Atlantic and 

 Gulf Coastal Plain. 11. 



Stockberger, W. W. The social ob- 

 ligations of the botanist. 261. 



Surface, Henry E. *Effect of vary- 

 ing certain cooking conditions in 

 producing soda pulp from aspen. 

 501. 



• Abstracts. 



