274 INDEX 
Philosophy, Matter from the Point of Vi f isti 
by W. H. Chamberlain... Oe Fer ee 128 
Photographic Plates, Reversals in (abstract), by C. Arthur Smith 34 
Photographic Plate Taking Reversal into Account, An Equation 
of the Density Exposure Curve of a, by Orin Tugman ........ 36 
Pittman, D. W.: The Relation of the Method of Analyzing 
Alkali Soils ‘to the Limits of: Toxieity a 95 
Plant Pests, Some Uncommon, by A. L. Matthews .........002...-0.0...-. 41 
Plants, Detection of Overgrazing by Means of Indicator, by 
HEB Al A 6 i Eh | 0): eM a i RO aa DL ua soon ster NC EAs el 56 
Plants, Distilled Water as a Means for Growing, by M. C. Merrill 75 
Plummer, Dr. Charles G.: The Quest of the Student of Nature .... 29 
Possibilities of Oil and Gas in Salt Lake and Cache Valleys, by 
PPVTiUIMN (Beh nender cere ices eres ee Eee eee oe aang 38 
Potassium Cyanide and Sodium Cyanide on Alkyl Halides, Com- 
parison of the Action of, by W. D. Kline and W. D. Bonner 174 
Powell, John W., Personal Reminiscences of, by Francis M. 
A E71} 010) 1 PRP abla hucete) hiv ithe 0h 6 2 Aon hubhen aan lap Ween, fa Bape pam onmee. WE 2 16 
Program of the Eleventh Annual Convention of the Utah 
Academy ef | Sci@nees i202). 02 ok ee et ad Se eae 15 
Program of the Twelfth Annual Convention of the Utah 
Aeademy of Seiences.: i.cuiesihecstets ee ke 46 
Program of the Thirteenth Annual Convention of the Utah 
Academy of Sciences <.e0! oak a ear 118 
Program of the Fourteenth Annual Convention of the Utah 
Academy of. Selences \iieisieus. ccc te ee 175 
Pyrometallurgy and its Future Possibilities, by John C. Morgan 150 
Quest of the Student of Nature, The, by Dr. Chas. G. Plummer.. 29 
Relation of Chemistry to Metallurgy, by Edward P. Barrett ...... 155 
Relation of Precipitation to Height Growth of Forest Tree 
Sapintes, The; by .C. Fi Rorstian oo ee ee eae ape caae ease 260 
Reptiles and Insects, Cases of Exceptional Growth of Certain 
Species of Mammals, (abstract), by L. Moth Iverson ............ 28 
Reversals in Photographic Plates, (abstract), by C. Arthur Smith 34 
Roster: Of Welt bersni. 23.0 Legg lc NUE Ee eet Dee ea See aa 6 
Sehneiler: Ey rity: Wertionece: Ae yeh es na ceeeee 5 
Schneider, Hyrum: Mid-Tertiary Deformation of Western 
INGEN JA PASI Ce ec tin lhe einai oS SN aT abe NGL Lee Ne le Been em gee 159 
Schneider, Hyrum: Possibilities of Oil and Gas in Salt Lake 
and Cache Valley <i 00 e228 ty a ue ON itbiaa tee aeeeeeee 38 
Shackell, L. F.: Is Disinfection a Reaction of the First Order? .. 162 
Shale-Oil, The Analytical Distillation of, by M. J. Gavin .......... 198 
Smith, Cl. AT tnurs IGRLIONEU tes. ccc eu Ne Sta Nae Way Wee ea 4, 5 
Smith, C. Arthur: Reversals in Photographic Plates (abstract) .... 34 
Smith, C. Arthur: Some Problems in Daylight Illumination ........ 167 
Smith, Orson: Intensity and Distribution of Illumination from 
Automobile Heaglivhts (abstract) oo eee oe 37 
SHoddy, Gee. Suz MENON see eee ee dann 5 
