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Show 1938] Index to Authors and Subjects 153 Page New Subspecies of Worm Snake from Utah=-Vasco M. Tanner Notes on Berry Insects of Utah-G. F. Knowlton and Leonard L. Hansen Notes on Food Habits of the Thick-billed Red-winged Blackbirds in Utah-Jean H. Linford Notes on the Sandhill Crane Near Tremonton, Utah-William H. Marshall and Lee Kay Pea Aphid Investigations-G. F. Knowlton, C. F. Smith, and P. C. . . . Harmston . Plumb, H. T. Light Sensitive Devices Presnall, C. C. A Survey of the Deer Situation in Zion Canyon, Utah Reliability of Short Obj ective Tests-Joseph Sudweeks Reliability of Various Film Speed Ratings in Determining Correct Exposure- Wayne B. Hales and Arlo Richardson Richardson, Arlo and Wayne B. Hales. Reliability of Various Film Speed Ratings in Determining Correct Exposure Seasonal Variation in Soil Algae in Some Virgin Utah Soils-Thomas L. . .. . . . Martin and Edna Snow . Smith, C. F., G. F. Knowlton, and F. C. Harmston. Pea Aphid Investigations Snow, Edna and Thomas L. Martin. Seasonal Variation in Soil Algae in Some Virgin Utah Soils Social Security Program of the Mormon People Under Joseph Smith and Brigham Young-F. Y. Fox . . ' ; . Some Helminth Parasites of Utah Birds-Datus M. Hammond and Linden Leatham................ Some Preliminary Experiments on the Snail, Discus alternatus (Say)David T. Jones Sorensen, A. N. Literature in a Modern World Sorenson, C. J. and G. F. Knowlton. Utah Grasshoppers of 1937 Sorenson, C. J. and H. F. Thornley. Mormon Crickets and Their Control in Utah Since 1923 Strauser, Ethel and B. F. Larsen. Donald Beauregard Stanford, J. S. Annotated List of the Birds in the U.S.A.C. Zoological Museum Sudweeks, Joseph. Reliability of Short Obj ective Tests Survey of the Deer Situation in Zion Canyon, Utah-Co C. Presnall Tanner, Vasco M. New Weevil in the Genus Dyslobus, Study No. II Tanner, Vasco M. New Subspecies of Worm Snake from Utah Thornley, H. F. and C. ]. Sorenson. Mormon Crickets and Their Control in Utah Since 1923 Utah Asilidae-George F. Knowlton and Fred C. Harmston Utah Grasshoppers of 1937-G. F. Knowlton and C. J. Sorenson Utah Source Material for Literature-Maurice L. Howe Variation of Color Sensitivity of a Photographic Emulsion by Treatrnent with Various Sensitizers-Wayne B. Hales and Reed Biddulph Variation of Radio Signal Strengths-Milton Marshall and Theron Lambert Waker, R. H. Factorial Designs in Agricultural Experiments Walking-Sticks Found in Utah-W. W. Henderson and Alexander Levi Watson, R. D. and H. L. Blood. Modification of the Tobacco Mosaic Virus No. I Occurring in Datura Meteloides 149 127 91 89 71 43 107 39 51 51 5 71 5 59 - . . . . . . . . . . .. . . . . . . . . 131 111 31 81 63 7 135 39 107 147 149 63 123 81 29 47 45 1 93 15 |
