188 



INDEX 



Sunflower, zinc necessary for, 3 

 Swanback, T. R., 107-9, 121 

 Swayback, 139-42 

 Swede, boron deficiency in, 82, 85-6 

 Swine, selenium poisoning in, 127-9 



Talibli, G. A., 116 



Teart lands, 127, 131-5 



Tea-plant yellows, 56 



Thatcher, R. W., 97-9, 101, 109, 113 



Theorell, H„ 43 



Thomas, H. E., 6, 90-3 



Thomson, R. H. K., 89 



Thornton, H. G., 81 



Thyreoglobulin, 142, 150 



Thyroid gland, 142-3 



Thyroxine, 142, 150 



Timothy, effect of trace elements on 



growth of, 11 

 Tin in animals, 125 



Titration, electrometric, of boron, 47-8 

 Tobacco, boron deficiency in, 81, 88 

 calcium -boron balance in, 121 

 effect of boron on absorption of 



calcium by, 121 

 effect of manganese on absorption of 

 potassium and calcium by, 107-9 

 Tomato, boron deficiency in, 81 

 copper necessary for, 6 

 effect of boron on metabolism of, 



121-2 

 effect of calcium and potassium on 

 absorption of boron by, 119-20 

 molybdenum deficiency in, 96 



necessary for, 6 

 zinc deficiency in, 69-70 

 Top sickness of tobacco, 88 

 Tottingham, W. E., 103 

 Translocation quotient, 108 

 Trelease, S. F., 131 



Trichophyton inter digitate, micro-nu- 

 trients for, 8 

 Truog, E., 36 

 Tung, bronzing of, 77-8 



frenching of, 67-8 

 Tungsten, effect of, on growth of 



Penicillium Javanicum, 7, 20 

 Turnip, boron deficiency in, 85—6 

 Twyman, E. S., 11, 36 

 Twyman, F., 30 



Undenas, S., 94 

 Underhill, F. P., 49 

 Underwood, E. J., 146-7 



Urochordata, elements present in, 124-5 



Vanadium in animals, 125 

 Van Schreven, D. A., 81, 100 

 Vanselow, A. P., 38 

 Vicia Faba, see Bean, broad 

 Vinquish, 145-50 

 Vitamin B and manganese, 143 



Waddell, J., 136 



Wadleigh, C. H., 122 



Wain, R. L., 65-6 



Waksman, S. A., 8 



Walker, J. C, 81-2, 84 



Walkley, A., 38, 40 



Wallace, T., 51, 58, 64, 84-5, 152 



Walnut, zinc deficiency in, 74, 77 



Walsh, T., 61 



Wann, F. B., 23 



Warington, K.,3, 80-1, 100, 115-17, 120 



Warner, J. D., 3, 79-80 



Water culture, 1 



Water-relations of protoplasm, effect 



of boron on, 113-14 

 Watson, S. J., 132 135 

 Webb, D. A., 124-6 

 Wells, H., 141 

 Wet ashing, 32 

 Wheat, copper deficiency in, 96 



effect of iron-manganese ratio on 

 growth of, 103 



manganese deficiency in, 61 



selenium content of, 128 



roots, effect of manganese on nitrogen 

 assimilation of, 102-3 

 effect of manganese on respiration 

 of, 102 

 White, W., 128 



White-bud of maize, 3, 75, 79-80 

 Wickens, G. W., 91 

 Wiese, A. C, 37, 144 

 Wilcox, J. C, 87 

 Wilcox, L. V., 47 

 Wilgus, H. S., 143 

 Williams, K. T., 128-9 

 Williams, L. C, 38-9 

 Williams, R. J., 8 

 Williams, W. R. L., 89 

 Wingard, A., 61-2 

 Wither tip, 93 

 Wolff, L. K., 7 

 Wood, A. A., 27 

 Woodbridge, C. G., 87 

 Woodward, J., 1 



