Offline — reading from this device
- Umbilicus of shell, 547
- Underfeeding, effect of, 106
- Undulatory membrane, 266
- Unduloid, 218, 222, 229, 246, 256
- Unio, 341
- Univalve shells, 553
- Urechinus, 664
- Vaginicola, 248
- Vallisneri, Ant., 138
- Van Iterson, G., 595
- Van Rees, R., 374
- Vanãt Hoff, J. H., 1, 110, 433
- Variability, 78, 103
- Venation of wings, 385
- Verhaeren, Emile, 778
- Verworn, M., 198, 211, 467, 605
- Vesque, J., 412
- Vierordt, K., 73
- Villi, 32
- Vincent, J. H., 323
- Vines, S. H., 502
- Virchow, R., 200, 286
- Vital phenomena, 14, 417, etc.
- Vitruvius, 740
- Volkmann, A. W., 669
- Voltaire, 4, 146
- Vorticella, 237, 246, 291
- Wager, H. W. T., 259
- Walking, 30
- Wallace, A. R., 5, 432, 549
- Wallich-Martius, 77
- Warburg, O., 161
- Warburton, C., 233
- Ward, H. Marshall, 133
858