12 - CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 
Steam i burning clay, 4, 33, 37, 
38. 
Steam shovel, 4, 73. 
Steam-drying, 4, 82, 83. 
Stentor, 2, 54, 55. 
Stephanosphera, 2, 34. 
Stereum, 3, 70, 72. - 
Stichotricha, 2, 56, 58. 
Stokes, A. C., 2, 5. 
Stones in clay, elimination of, 
4, 75. 
Stoneware, glaze on, 4, 55. 
manufacture of, 4, 34, 89. 
Stoneware clays, 4, 51, 52, 53. 
Straw, clay mixed with, 4, 56. 
Strobilomyces, 3, 54, 56. 
Strombidium, 2, 57, 62. 
Strong clay, alternation of, with 
quicksand, 4, 62. 
definition of, 4, 44. 
influence of quartz on, 4, 30. 
mixed with lean, 4, 75. 
Stropharia, 3, 19, 49. 
Structure, of clay, 4, 41, 62. 
of kaolin, 4, 41. 
of non-plastic clays, 4, 44. 
platy, 4, 38, 44, 45, 46. 
Stylochrysalis, 2, 33. 
Stylonychia, 2, 57, 60. 
Subsidence of land, 4, 23, 24. 
Suctoria, 2, 11, 65. 
Sulphate of barium, 4, 35. 
of iron, 4, 33, 34. 
of lime, 4, 35. 
Sulphates, efflorescence of, 4, 38. 
formation of, 4, 33. 
soluble, 4, 35, 40. 
sulphur dioxide from, 4, 38. 
Sulphide of iron, 4, 33. 
Sulphides, sulphur dioxide from, 
4, 38. 
Sulphur balls, 4, 33. 
Sulphur dioxide, 4, 38. 
Sulphuric acid, 4, 33, 34, 38. 
Superficial clays, density of,. 4, 
43. 
Surface loam, clay tempered 
with, 4, 75. 
Swelled brick, 4, 37, 38, 49, 86. 
Syncrypta, 2, 34. 
Synura, 2, 34, 37. 
Taste of clay, 4, 46, 63. 
Taste of iron sulphate, 4, 34. 
Tempering of clay, 4, 75. 
Tensile strength of clays, 4, 44. 
Terminal moraine, 4, 69. 
Terraces in clay deposits, 4, 28, 
71. 
Terra-cotta clays, 4, 53, 54- 
Tetramitus, 2, 33. 
Tetraselmis, 2, 33. 
Thelephora, 3, 70. 
Thelephoracez, 3, 12, 69. 
key to the genera of, 3, 70. 
Thom, Charles, 3, 6. 
Thompsonville, 4, 11, 12. 
Tile, manufacture of, 4, 79. 
Till, 4, 18, 19, 23, 26, 57. 
Tilletia, 5, 28. 
Anthoxanthi, 5, 29. 
Maclagani, 5, 29. 
Tilletiacez, 5, 28. 
Tintinnidium, 2, 54. 
Tintinnus, 2, 54. 
Titanic oxide, 4, 30, 37. 
Tolyposporium, 5, 27. 
bullatum, 5, 28. 
Trachelius, 2, 40, 46. 
Trachelomonas, 2, 25, 27. 
Trachelophyllum, 2, 40, 45. 
Tracya, 5, 40. 
Lemne, 5, 40. 
Trametes, 3, 55, 61. 
Transported clays, 4, 18, 20, 70. 
Trap rock, 4, 13, 22, 23. 
Tree roots, undulations in clay 
caused by, 4, 27. 
Trenton, N. J., 4, 71. 
Trepomonas, 2, 32, 35. 
ee area of Connecticut, 4, 
26. 
Triassic era, 4, 22. 
Triassic trap, bowlders of, 4, 23. 
Trichodina, 2, 62, 63. 
Trichogaster, 2, 56. 
Tricholoma, 3, 17, 26. 
Trichomastix, 2, 33, 36. 
Trichophrya, 2, 65. 
Trinema, 2, 13. 
Trochilia, 2, 42. 
Trogia, 3, 18, 39. 
Tropidoscyphus, 2, 26. 
Underburned brick, lime car- 
bonate in, 4, 35. 
wearing of, 4, 85, 86. 
Underwood, L. M., 3, 5. 
Undulations in clay, 4, 13, 26, 27. 
Up-draft kiln, permanent, 4, 85. 
temporary, 4, 83. 
Urceolopsis, 2, 25. 
Urceolus, 2, 25, 28. 
Urnula, 2, 65. 
