■ Sewage pollution of river?, nietlioil of de- Sorghum sufrar. '91. 31. 



tenninins. "iU. 40. f^ound. propagation of, etc.. '98. 82. 



Sexual organs, development of. in Cymato- Sounds. deerea:-e of intensity. '97, 84. 



gaster. '94, 1:58. Sounds. inten.«ity of teleplionie. 'VH, 84. 



Shaaf. .\lbert. "(W, 179, 181. South American cat fishes. '92, 72. 



Shaft friction. '9t). 79. South American Characinidae, '93, 22(1. 



Shannon, W. P., '92, 49; '94.53,107. 1.30; '9tj. Special senses of plants, the, '93, 205. 



(>5, 271. Species, description of. '91, 14. 



Sharp. I. yy ., '94. .33. Spectrum of cyanogen, '97, 97. 



Shaw, James Byrnie. '95. 59. Spectrum of electric arc, '97, 95. 



Shelby County earthquake. "91. 27. Sphagnaceae, '93. i)7. 



Shell, a gorget. "00. 81. Sphyraphicus varius, '91, lti7. 



Shell niouml. a Florida, '94, 48. Spinal cord, functions of. from clinical 



Shepherd. J. W.. "98. 160 ; '99, %. study, '94. 35. 



Shrews. Indiana. '91, 161, Spirogyra, '91. 18. 



Silurian. '93.185. ' Sporangium of Botrychium. '91.79. 



Silurian sections in Eastern Indiana, corre- Spreading adder, breeding hal)its. etc.. of, 



lation of. '94. 54. '91, 114. 



Silvanus surin amensis, '92. 91. Spring meetings — see field meetings. 



Simulium meredionale, '91, 158 ; '92. 87. Spy Run creek, abandoned meanders of, '00, 



Simulium pecuarium, '91. 1-58; '92,87. 181. 



Siphonophora a venal, '92, 90. Spy Run and Poinsett Lake bottoms. 'IK), 173. 



Siphonophora, cucurbitaphidis. '92, 90. Squeteague, life history of, '00. 166. 



Siphonoi)hores, '91, 28. Stagmomantis Carolina. '92. 8(5. 



Sistrusus. breeding habits, etc.. of. '91. 109. Staining in tolo of heads of Vernonia, 



Skew sui faces, thiid and fnurth degree. '95. method of. '94. 120. 



57. Starches, susceptibility of, '97, 74. 



Slick. E. E.. '92. 9i. 117. Starch in cereals. '91, 30. 



Slonaker, J. R.. '96. 304: '98.253; '99.146; State biological survey, report of progress of 



'00, 167. botanical division. '9t. M. 



Slopes, weathering of north and south, 'i'9. State flora, list of additions to. "94. 147. 



167. State library. botanical literature in. '95.102. 



Smart. R. A., 'no. loo. Station, biological, a new, ami its aim. '94, 



Smith. Alex.. '91. 46. 48 ; '93. 266. 3t. 



Smith, C. E.. '98. 101. Stauffer. E. P.. '9.5. 64. 



Smut, experiments with, '00,123. Steamer "Albatross." "91.20. 



Snake cactus. '91. 18. Steam pipe, value of, in smoke-box of the 



Snakes, breeding habits of. '91, 106. 120. locomotive. '93. 271. 



Snakes of Turkey Lake. '95. 261. Stellcrida. "91. 68. 



Snow. Benj. W.. '92. 20, 25. 26. Steno|ielmatinae. "92, 96. 140. 



Snow pumping engine, performance of. '98. Stereoisomerism, of the hydrazoins df l>en- 



147. zoin, '93. 266. 



Snyder. Lillian. '97. 150 ; '98, 186 ; 'M. 216. Stevens. M. C, '98. 147. 



Soap analysis, '91, 28. St. Joseph and Kankakee at South Bend, 



Soils, humus in, '92, 166. '98. 270.. 



Soil solvents, '96, KU. St. Lawrence, the, angling in. '94. 81. 



Solidago, '91, 25. . Stoniata developed by phylloxera, '91, 76. 



Solidago rigida. '92. 139. ' Stomatcs of Cyeas. '93. 254 ; '94.130. 



Some evolution among eaeti. '93. 262. Stone, building, '93, 170. 



Some new Indiana fossils. '94, 54. Stone. W. E.. '91. .57 ; '92, 165,168, 169: "91. 51 ; 



Some new laboratory appliances in cliemi.-- "97.74. 



try, '94, 51. Stoops. H. -M., '92, 51. 55 ; '94. .58. 



Some queries relative to .Solanuni dulca- Storeria dekayi. Iireetling habits, etc., of, 



mara. '93,232. '91. 114. 



Some suggestions to teachers of science or Strains induced in plant curvature, meas- 



mathematics in high schools. '91. 51. urement of. '94. 130. 



Soiners. A. X., '92. 29. 35. 51. Strains in steam machinery. "95. 75. 



