INDEX 



Entomology, 192. Glucose, 151. 



Euclid, 17. Gluten strings, 273. 



Euglena Viridis, 88, Glycerine jelly, 301. 



Eyepiece, 56; choice of, Gordon, 17. 



292; Huygens, 63. Gossypium, 262. 



Fallen stars, 94. n^^^'-}^\^^ 



Feathered hair of bees, ^1-^,1!%,^ 



Feathers, 118. Grasshopper, 205. 



Feelers of beetles, 198; r^'^'T'^o. 



gnats, 198; moths, 198. ^^^^^^^' ^^'^' 



Ferments, 154. Hair, 101, 261, 267; root. 



Finger prints, 33. 103. 



Flax, 262. Hardness of glass, 286. 



Fleas, 23, 31, 37; water, Harvestmen, 115. 



79. Hay Bacillus, 160. 



Flint, 129. Hemp, 264. 



Flour, 272. Hodiema, 24. 



Flowers, grass, 106. Honey, 149. 



Focus of lens, 275. Hooke, 19, 29, 35, 215, 216. 



Food adulteration, 137. Horsetails, 110, 136. 



Foot of butterfly, 197; House fly, 25, 195, 198. 



fly, 31, 198; louse, 198. Human blood, 169. 



Foraminifera, 30, 135. Humboldt, 39. 



Formic acid, 258. Hydra, 37, 69, 135, 209, 



Fossils, 39, 130, 134. 215. 



Fringe wings, 207. Hydrodictyon Reticula- 



Fruits of burdock. 111; ^um, 93. 



dandelion, 111; goose- Image, inverted, 56; real, 



grass, 111; groundsel, 52, 55; virtual, 52, 53, 



111; thistle. 111. 55. 



Fusion tests, 253. Infection, 26. 



Galileo, 21, 22. Infusorians, 36. 



Geology 125. Insect transformation, 34. 



Germination, 32. Insectivorous plants, 104. 



Glass, 282; Bohemian, Insectorum Theatrum, 84. 



283; crown, 285; flint, Intestmal enteromorpha, 



283, 285; Jena, 285; 228. 



optical, 284; plate, 283. Jute, 264. 



311 



