302 



INDEX. 



Entomostraca, habitats of, 241. 



heart, 240. 



Herrick, C. L., on, 242. 



literature, 259. 



reproduction, 240. 



usefulness of, 242. 

 .Epidermis of leaves, 284. 



Epistylis, 138, 142. 

 Epit hernia, 93, 97. 



turgida, 97. 

 Equuetum spores, 288. 

 Eriyeron, sphaeraphides in, 289. 

 Estkeria, 246, 256. 

 Euastrum, 74, 83. 



ansatum, 84. 



crassum, 83. 

 -- didelta, 84. 



Euglena, 139, 149. 

 Euglyplia, 116,128. 



alveolata, 129. 



ciliata, 129. 



cristata, 129. 

 Eunolia, 94, 97. 



tetraodon, 97. 

 Euplotes, 140, 152. 

 Evaporation from beneath cover- 

 glass, 37. 



Excelsior microscope, 5. 

 Eye-pieces, construction of, 11. 



different powers of, 12. 



eye-glass of, 11. 



field-glass of, 11. 



why so named, 10. 

 Eyes of insects, 279. 



of spiders, 280. 

 Eylais, 267, 269. 



F. 



Feet of insects, 279. 

 Field of view, 18. 

 Fish, scales of, 282. 



small, captured by Utricularia, 

 55. 



Flagella of infusoria, 135. 

 Fleabane, 289. 

 Floscularia, 200, 207, 210. 

 Flower-de-luce, 290. 

 Focus, objects out of, 20. 



of compound objective, 19. 



of pocket-lens, 4, 5, 8. 

 Foot of microscope stand, 10. 



Fragelaria, 93, 95. 



capucina, 95. 

 Fredericella, 229, 232. 



G. 



Gallic acid crystals, 291. 

 Geranium, seeds of, 287. 



sphjeraphides in, 289. 

 Gizzard of insects, 281. 

 Gladiolus, crystal prisms in, 290. 

 Glass, thin cover, 27, 28. 



thickness of the three kinds of 

 thin cover, 29. 



Glass, to clean thin cover, 29. 

 Gnats, scales from, 278. 

 Golden-club, 289. 

 Gomphonema, 93, 96. 



acuminata, 96. 



Gray's " How Plants Grow," x. 

 Growing-slide, a simple, 38, 39. 



H. 



Hairs, animal, 282. 



Anthrenus larva, 283. 



plant, 286. 



stellate, in stems of water-lilv, 

 50. 



Hairs, stellate, in stems of Nuphar, 



51. 



Hawkweed, 290. 

 Herrick, C. L., on Eniomostraca, 242, 



259. 



Hervey's " Sea-mosses," x. 

 Hibiscus, sphffiraphides in, 289. 

 Hieratium, crystal prisms in, 290. 

 Himantidium, 93, 96. 



peciinalc, 96. 



Hitchcock's " Synopsis of the Rhizo- 



pods," x., 130. 

 Hollyhock, 287. 

 " How to See with the Microscope," 



by J. E. Smith, 46. 

 "How to Use the Microscope," by 



J. Phinn, 46. 

 " How to Work with the Microscope," 



by Dr. L. S. Bcale, 46. 

 Ifyalotheca, 74, 76. 



dissilims, 76. 



Hyatt, Prof. Alphens, on Polyzoa, 



226, 237. 

 Hydra, 60, 155. 



