T RI 
Trees, items on the growth of, xiii, 
193. 
, longevity of, xxii, 379. 
of yew, xxix, 358; 
XXX1, 308. 
, dug up from a depth of forty 
feet, in Ohio, xvii, 398. 
, protected from hares, by 
means of fat, xxi, 159. 
, how protected from insects, 
x, 204. 
Trego, C. B., on the coal of Sav- 
age Mountain, xli, 186. 
Tremolite in Canada, vil, 69. 
in Connecticut, 1, 854 ; 11, 206, 
238; v, 363 vi, 225; vii, 258. 
in Delaware, x, 224. 
in Massachusetts, 1, 114; ii, 
236, 2373 vi, 2483 vii, 535 vill, 
46. 
— in New Hampshire, il, 241. 
in New Jersey, v, 30. 
in New York, vii, 57; ix, 40; 
Kix, 227; xxv, 847. 
in Pennsylvania, vill, 239; x, 
222.3 xive' 75 8, 1S: 
in Rhode Island, iv, 284, 285 ; 
vill, 226; x, 10. 
in Vermont, i, 76. 
Trevelyan, W. C., on the temple of 
Peestum, xxxvil, 866. 
Treviranus, L. C., Physiology of 
Plants, noticed, xxxix, 181. 
Triangles, expression of the sides 
of right-angled, by integral num- 
bers, D. Wilkie, xxiv, 68. 
Triarthrus, see Trilobites. 
Trigonometer, Bolles’s, ix, 401.f 
Trilobites, remarks on, A. Eaton, 
Xxli, 165. 
, notice of J. Green’s mono- 
graph on, xxiii, 395. 
, some new, J. Green, xxv, 
304, 
, structure of, &c., J. Green, 
xxiii, 396; xxxvil, 25; xxxvill,410. 
, genus Paradoxides of Brong- 
niart, and on the genus Triar- 
thrus: J. Green, xxxiii, 341. 
f Calymhene Rowii, J. Green, 
xxxill, 406. 
268 
TRO 
Trilobites, Calymene Bufo, J. Green, 
XXXVil, 825 xxxvill, 410. 
——, Asaphus polypleurus, J. 
Green, xxxiv, 360. 
» —— diurus, J. Green, xxxvit, 
40. 
——-, Calymene Bucklandii, J. G. 
Anthony, xxxvi, 106.f 
, Ceratocephala ceralepta, J. 
G. Anthony, xxxiv, 379.f 
——, Ceratocephala goniata, J. A. 
Wander. XXXIV, 377.f 
——., Paradoxides, J. Hall, xxxiii, 
139. 
, Calymene senaria, 7. A. 
Conrad, xlii, 230. 
, Ceraurus crosotus, J. Locke, 
xliv, 346f; xlv, 222.f 
, Isotelus megistos, J. Locke, 
xlii, 866.£ 
, in Canada, J. J. Bigsby, viii, 
83. 
,in Kentucky, J. Walter, 
xxxiv, 380. 
, in Ohio, xxxi, 72.f 
, in New York, xlvii, 363, 3686, 
370f; xlviii, 807, 309f, 311.f 
——,, from Staffordshire, xxiii,203.f 
» supposed recent, from the 
New South Shetlands, xxvii, 395. 
Trimmer, J., on marine shells in the 
Cefn cave, xxxv, 306. 
, Practical Geology and Mine- 
ralogy of, noticed, xiii, 191. 
Triphyline, a new mineral, xxviii, 
394. 
Trisection, curves of, iv, 343.f 
Troglodytes niger, xlvi, 411. 
Troost, G., amber at Cape Sable, 
Maryland, i, 8 
, minerals of Missouri, xil, 376, 
378, 379. 
, some remarks on the coal re- 
gions of Tennessee, xxx, 391. 
, Third Report on Tennessee, 
noticed, xxx, 391. 
, Fourth Report on Tennessee, 
notice of, xxxiv, 187. 
, Fifth Report, xli, 385. 
, analysis of a meteorite from 
Tennessee, xxxviil, 250. 
