— and microscopical observations, notice of, xli, 205.
Microscopic life, see [Infusoria], and [Zoology.]
Migration of birds, note on, x, 192.
— —, of North America, J. Bachman, xxx, 81.
Mildew, prevention of, iii, 385.
Milk, mode of preserving indefinitely, xviii, 152.
—, use of, in dropsy, xxiv, 209.
—, facts from Barruel respecting the milk sold in Paris, xvii, 378.
Milk tree of Venezuela, xix, 373.