Parallax of the star 61 Cygni, xxxvi, 200.
Paralysis, cured by lightning, iii, 100.
Paramorphine and Pseudomorphine, xxx, 179.
Parasite tree, G. W. Long, xxvi, 106.f
— of the honey bee, xxv, 213.
— of the eggs of the canker worm, xxxviii, 385; xl, 211.
Parasitical plants, xii, 21.
Parhelion, singular, with theory of halos, E. S. Snell, xlix, 73.f
Pargasite, in Massachusetts, x, 11.
—, in New York, xxv, 347.