INDEX TO VOL. I. 5 
Entyloma Physalidis, 5, 35. 
polysporum, 5, 36. 
Thalictri, 5, 35. 
Eolian clays, 4, 21. 
Epidote, composition of, 4, 40. 
Epipyxis, 2, 21. 
Epistylis, 2, 63, 64. 
Epsomite, composition of, 4, 40. 
Eruptive rocks, composition of, 
4, 17. 
Ervilia, 2, 42. 
Estuaries, black mud accumu- 
lating in, 4, 28. 
Estuarine clays, 4, 20, 57, 58, 70. 
Eudorina, 2, 34. 
Euglena, 2, 25, 26. 
Euglenoidina, 2, 20, 24. 
Euglypha, 2, 13, 16. 
Euplotes, 2, 57. 
European fire-clays, 4, 36. 
Eutreptia, 2, 25, 27. 
Evidence of readvance of ice 
in Connecticut, 4, 26. 
Exfoliation of brick, 4, 80. 
si ee of carbon dioxide, 4, 
38. 
of quartz, 4, 30. 
of steam, 4, 37. 
Fairfield County, 4, 15. 
Fancy brick, 4, 86 
Fat clay, 4, 44. 
Faults in Connecticut clay, 4, 
27. 
Favolus, 3, 54, 60. 
Feel of clay, 4, 41, 42. 
Feeling the clay, 4, 80. 
_ Feldspar, addition of, to china 
clays, 4, 51. 
alumina in, 4, 31. 
as source of alkalies, 4, 36. 
composition of, 4, 40. 
decomposition of, 4, 17. 
in Connecticut brick clays, 
4, 59, 60, 62, 63. 
in West Cornwall kaolin, 4, 
87. 
lime in, 4, 34. 
mining of, in 
4, 71, 72. . 
specific gravity of, 4, 42. 
Feldspathic quartzite, kaolin 
from, 4, 57. 
Ferric oxide, 4, 17, 32, 33- |. 
Ferromagnesian minerals, lime 
in, 4, 31, 34, 59. 
Ferrous oxide, 4, 32, 33. 
Fineness of grain in clays, 4, 
41, 43, 48, 49; 50, 55, 57, 63. 
Connecticut, 
Fire-clay, 4, 15, 20, 51. 
Fistulina, 3, 54, 55. 
_ Flagellata, 2, 19. 
Flammula, 3, 19, 44. 
Flint clays, 4, 30, 42. 
Floating ice, stones carried by, 
4, 28. 
Flood plain, 4, 19, 28. 
Fluxes, effect of, on fusibility of 
clays, 4, 48, 50. 
in brick clays, 4, 54, 61. 
in kaolin, 4, 51, 57. 
in slip clays, 4, 55. 
in vitrifying clays, 4, 53. 
ratio of, to density, 4, 43. 
Fluxing agent, alkalies as, 4, 36. 
iron as, 4, 33. 
lime as, 4, 34. 
titanic oxide as, 4, 37. 
Fomes, 3, 55, 63. 
Fresh-water Protozoa of Con- 
necticut, 2. 
Front brick, manufacture of, 4, 
79. 
Frontonia, 2, 41, 47. ; 
Frost, effect of, on green brick, 
4, 83. 
Fuel for burning brick, 4, 84. 
Fuller’s earth, 4, 56. 
Fungi, 3, 5. 
Fusibility factor, 4, 49. 
Fusibility of clays, 4, 48, 49, 50, 
51, 53, 55, 58, 62, 64. 
of kaolin from West Corn- 
wall, 4, 58. 
of silica, 4, 39. 
Galera, 3, 19, 45. 
Garnet in Connecticut brick 
clay, 4, 59, 60. 
Gas bubbles in burning clay, 4, 
49. 
Gastrostyla, 2, 57. 
Geological and Natural History 
Survey of Connecticut, 1. 
Geological history of Connecti- 
cut clays, 4, 22. 
Gerda, 2, 62. 
German clays imported, 4, 52. 
Glacial clay, 4, 18, 20, 57. 
Glacier, advance and retreat of, 
, 23. 
Glass, pares shipped for manu- 
facture of, 4, 72. 
Glass-pot clays, 4, 51, 52. 
Glaucoma, 2, 41, 49. 
Glaze from salt on stoneware, 
4, 89. 
