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Gymnasium at New Haven, xiii,||Hail storms, A. Jones, xxiii, 35. 
885; xiv, 400. 
Gymnastic science in France, x,1'76. 
Gymnastics in Switzerland, v, 191. 
Gypsies, essay on, xxiv, 342. 
—— in America, xxvi, 189. 
Gypsum, action of, as a manure, 
xxvi, 181. 
, experiments on the solidifica- 
tion of, J. P. Emmet, xxiii, 209. 
, fertilizing properties of, xxii, 
350. 
, origin of, L. Vanuxem, xii, 92. 
, curved, mammoth cave, Ky., 
xlii, 206.f 
of the basin of mines, Nova 
Scotia, xv, 146. 
, localities of, in New York, i, 
243; iv, 36; v, 39,40; xvi, 377; 
xxxvi, 38. 
j , in Maryland, xxvii, 8. 
, in Ohio, iv, 51, 52; v, 
39; vii, 48; xvi, 158. 
—, , in Canada, viii, 71. 
—, , in Michigan, vii, 47. 
——, , in Virginia, i, 62; iv, 
52. : 
A , Prince Regent’s Inlet, 
xvii, 10. 
, in Nova Scotia, xiv, 
229 ; xv, 146. 
; in the Hartz, xix, 111. 
—— » in Sicily, vill, 204. 
—, , in Africa, iv, 33. 
—— and accompanying marine 
limestones, in Nova Scotia, age 
and position of, C. Lyell, xlv, 356. 
Gyropodium coccineum, ix, 56.! 
Ee 
Hematoxylin, O. L. Erdman, xliv, 
357. 
Hail, formation of, xix, 396. 
Hail storms, cause of, in warm 
weather, B. Hallowell, xv, 361. 
» phenomena and causes 
of, D. Olmsted, xviii, 1.f 
, reply to A. T. Christie 
on, by D. Olmsted, xx, 373. 
, A. T. Christie's views 
on, Xx, 373. 
,remarkson, W.C. Red- 
field, xxxiil, 55. 
in Louisiana, W. M. 
Carpenter, xxvii, 171. 
, rods a protectionagainst, 
x, 196. 
Hail-rods, in France, x, 196; xii, 
398. 
—_ — _,, , efficacy of, xiv, 
37. 
Haile, A. B., observations on the 
magnetic disturbance during an 
Aurora, Nov., 1837, xxxiv, 270. 
Hailstones, structure of, xxiii, 36.f 
at Clermont, France, large, 
xxxi, 191. 
Haldeman, S. S., on the Melanians 
of Lamarck, xli, 21; xlii, 216. 
, notice of the zoological writ- 
ings of the late C. S. Rafinesque, 
xlii, 280. 
species of mollusca common to 
Europe and America, xlvii, 412. 
Hale, M., geological notice of Troy, 
Inept 
Hall, F., notice of, xlvii, 189. 
, notes on a tour in France, 
Italy and Elba, xxxil, 74. 
,0n some minerals from Pal- 
estine, 1x, 337. 
, notice of oriental minerals, 
Xxxill, 249. 
, ores of iron and manganese 
in Vermont, iil, 57. 
, waterfall, in the Green Mts., 
and an excavation in the rocks, 
vi, 252. 
Hail, James, on the crinoidea, xlv, 
349. 
, fossils of U. States, general 
remarks on the distribution of, 
xlv, 1573; xlvii, 117. 
——-,Paradoxides, species of, xxxiil, 
139.f 
, tipple marks and casts of fur- 
rows, xlv, 148. 
, sections at Portage, N. Y., 
xlv, 329. 
, shells, microscopic, from a 
marl slate, Cincinnati, xlviil, 292. 
