Vision, notice of a peculiarity in C. E. Goodrich, xiv, 264.f
— with the head inverted, D. Brewster, xl, 343.
Vitality of matter, xv, 54.
Vœlkel, analysis of guano, xlviii, 60.
Vogel, obituary of, xliii, 215.
Vogt, C., Embryologie des Salmones, noticed, xlv, 211.f
Voice and its modification, R. Tolefree, xxvi, 76.
Volatile oils, adulteration of, xix 77.
— —, see farther under [Oils.]
Volborthite, xlii, 387.