Water, loss of and lowering of temperature, 99 running, effect on productivity of fish, 101 standing, effect on productivity of fish, 101 Weights and measures, 69 Wild life, photography, 61 study, 61 Windermere, Lake, 90 Wisdom, blindness of, 103 Wistar Institute, style brief, 68 Wood borers, 77 Woodcraft, 61 Woodland, ants, 149 associations of ants, 149 atmospheric conditions about, 91 birds as protectors, 124 Woodland trees, insects affecting, 74 Woodpecker, red-headed, 117 Woodpeckers, food, 126 Worms, eyes, 110 Yucca, moth, 142 pollination, 142 Zoölogical Record, 70 Zoölogist, economic, 29 Zoölogy, experimental, 96 _Zostera marina_, ecology in Danish waters, 89 Zygoptera, life histories, 76 INDEX TO NAMES Adams, Chas. C., 21, 22, 86, 91, 94, 99, 124, 133, 145 Adler, H., 143 Aldrich, J. M., 71 Allbutt, T. C., 66 Allee, W. C., 106, 118, 140 Andrews, E. A., 108 Antipa, G., 145 Appel, O., 141, 142 Bachmetjew, P., 96 Baker, F. C., 108, 137 Baker, H. B., 145 Baldwin, E. L., 112 Balfour, I. B., 89 Bancroft, W. D., 85 Banks, N., 58, 65, 71 Banta, A. M., 108, 143 Baskerville, C., 97 Bates, 23, 42 Beal, F. E. L., 126 Belding, D. L., 108 Belt, 23 Bendire, C., 109 Bethune, C. J. S., 72 Betten, C., 75 Beutenmüller, W., 72, 143 Birge, E. A., 87 Blackman, 94, 98 Blackwall, J., 108 Blatchley, W. S., 144 Boas, F., 56 Bohn, G., 107 Bouvier, E. L., 141 Böving, A. G., 109 Brandt, K., 87 Bretscher, K., 58 Brooks, W. K., 3, 17, 36, 42, 79, 82, 122, 123 Brues, C. T., 134 Brunner, J., 58 Buffon, 20 Burdon-Sanderson, J. K., 1, 18 Burns, F. L., 59 Buttel-Reepen, H. von, 109 Calkins, M. W., 109 Carpenter, F. W., 109 Case, E. C., 21 Cassell, 53 Casteel, D. B., 109 Caudell, A. N., 73 Chamberlin, T. C., 55, 86 Chapman, F. M., 39, 59, 61, 126, 145 Chittenden, F. H., 72 Clarke, W. E., 109 Clements, F. E., 21, 59, 61, 88 Clessin, S., 100 Coker, R. E., 110 Cole, L. J., 110 Cole, L. W., 110 Colton, H. S., 100, 110 Comstock, J. H., 43, 59, 72 Congdon, E. D., 107 Cook, M. T., 143 Cook, O. F., 30, 90 Coquillett, D. W., 73 Coues, E., 107 Cowles, H. C., 88 Craig, W., 106, 110, 134 Cramer, F., 56 Crampton, C. B., 88 Cresson, E. T., 73 Currie, R. P., 73 Curtis, W. C., 114 Cushman, R. A., 125 Dahl, F., 18, 59, 61, 125, 135, 137, 139, 146 Darwin, Charles, 2, 20, 23, 41, 56, 122, 123 Davenport, C. B., 60, 95, 136 Davis, H. B., 111 Davis, W. M., 67, 86 Dawson, J., 110 Dean, B., 111 Dearborn, N., 130 Dendy, A., 144 De Vinne, T. L., 68 Diem, K., 144 Dimmock, G., 73 Dimon, A. C., 111 Dodge, C. R., 73 Dyar, H. G., 73 Edwards, H., 73 Eichelbaum, E., 126 Embody, G. C., 111