32 



Index to Vols. I—X. 



Triassic Coal field in North Carolina, 

 ii, 225. 



Prince Edward's Island, ii, 223. 



Rocky Mountain Region, ii, 224, 



227. 



Tricholoma, vi, 65. 

 Trichophycus, vii, 158. 



lanosus, M. and D ■• i, 24. 

 vtnosum, S. A. M.* ii, 112. 

 Trifolium pratense, Variability of, 



vii, 70. 

 Triforis aniericanus, Aid.* viii, 151. 

 Trigonia stiebeli, S. A. M.* iv, 259. 

 Tridobites, Locomotory appendages 



of vi, 200. 

 Trinucleus bellulus, Ul.* i, 99. 

 Triodopsis iv, 329. (See Helix.) 

 Triton (Simpulum) conradianus. Aid.* 



viii, 148. 



subalveatum, ■■ viii, 154. 

 Trogia crispa, vi, 198. 

 Trophonia affinis, i, 91. 

 Tubaria, vi, 109. 

 1" urbinella (Car icella) reticulata. Aid.® 



viii, 147. 

 Turbonilla (Chemnitzia) trigemmata, 



X, 78. 

 Turritella bellifera. Aid.* viii, 150. 



eurynome, x, 81. 

 Twitchell, Oeo. B. Remarks on a 



variety of Nostoc pruniforme, ix, 



253- 



on fresh water sponges, x, 113. 



on microscopic work, x, 114. 



the life in the Tyler Davidson 



fountain, viii, 166. 

 some sponges of the Ohio river, 



X, 185. 

 Ulmus americana, Account of, x, I5i. 

 Ulrich, Edward O. American Pahie- 



ozoic Bryozoa, v, 121, 232; vi, 82, 



148, 245; vii, 24. 

 • Description of a new genus, and 



some new species of Bryozoans 



from the Cincinnati Group, ii, 1 19. 



Description of a Trilobite from 



the Niagara Group of Indiana, ii, 



131- 



Description of some new species 



of fossils, i, 92; ii, 8. 



Description of two new species 



of Crinoids, v, 175. 



Observations on Fossil Anneli- 

 ds, and description of some new 

 forms, i, 87. 



Unionidre o*" the Mississippi Valley, 

 Catalogue of, ix, 10, 



Upper Silurian, Remarks on, iv. 288. 



Ursus horribilis, Description of young 

 of, iv, 68. 



Utica Slate Group, iv, 285. 



Fossils from. (See Miller, S. A.) 



Fossils of, not found in the 



Hudson river and Trenton at Cin- 

 cinnati, ii, 9. 



Variability of Acorns of Quercus 



macrocarpa, iv, 320. 

 Veluteria expansa, x, 81. 

 Venericardia complexicosta, Mr. and 



Aid.® ix, (45) 109. 

 Vine, Geo. K. Criticism, on, vii, 36. 



on Arcanoporidre, vii, 36. 



Virginia, Triassic and Jurassic Coal 



Fields in, ii, 149. 

 Vitrinazonites latissima, iv, 328. 

 Vivipera contectoides, i)lanted at 



Madisonville, iv, 325. 

 Volvaria, vi, 97. 

 Walcottiarugosa, M and D.*i, 39, 88, 



Species of, probably not organic 



remains, viii, 161. 



Waldron Fossils, i, 130. 

 Warbler, Cincinnati,® iii, 1 19. 

 Warder, J. A., M.D. In Memoriam. 

 vi, 211. 



List of plants in bloom on April 



4, 1882, V, 65. 



ReulDen, H. Destruction of 



native birds, ix, 179. 



Water, Expansion of, in freezing, 



viii, 2. 

 Well at Oxford, Ohio. (See James, 



J. F.,x, 70.1 

 Wetherby, A. G. Description of a 



new family and genus of Lower 



Silurian Crustacea, i, 162. 



Description of Crinoids from 



the Upper Sub-Carboniferous of 

 Pulaski county, Ky., iii, 324. 



Description of new fossils from 



the Cincinnati Group and the Sub- 

 carboniferous, ii, 245; iv, 77, 177. 



Description of new species of 



Crinoids from the Kaskaskia Group 

 of the Sub-carboniferous, ii, 134. 



Directions for collecting and 



preserving land and fresh water 

 shells, V, 44. 



Note on Trenton Fossils of Mer- 

 cer county, Ky., iv, 84. 



Notes on some new or little- 

 known North American Limna'i- 

 dre, ii, 93. 



on the deformities of some Ten- 

 nessee Helices, i, 154. 



on the geographical distribution 



of certain fresh water mollusks of 

 North America, and the probable 

 causes of their variation. Part I., 

 iii, 317. Part II., iv, 156, 



