304 



INDEX. 



Lens, pocket, simple, 2. 



simple, with long focus de- 

 sirable, 4, 5. 



Lens, pocket, simple, to focus, 8. 



watchmaker's, 6. 



Lepisma saccharina. scales from, 



269. 



Lichens, 274. 

 Light, importance of modifying the, 



22. 



Lily, the white water, 50. 

 Limnetis, 246, 255. 

 Limnms, 208, 214. 



annul ata, 215. 



ZtmnocAara, 267, 270. 

 Linden, 290. 



Lingual ribbons of mollusks, 283. 

 Lobelia cardinalis, seeds of, 287. 

 Lorica of infusoria, 133, 134. 

 Loxodcs, 140, 154. 

 Lumbriculus, 188, 191. 



M. 



Macrobiolm, 266, 267. 



Americanm, 268. 

 Magazines, American Microscopical, 



46. 



Mallow, common, 289. 

 Malva rotund/folia, sphseraphides in, 



289. 

 "Manual of Microscopic Mounting," 



Martin's, 46. 

 " Manual of the Vertebrates," Jor- 



dan's, x. 

 Maple, 290. 



Measuring the object, 43. 

 Megalotrocha, 208, 215. 

 Afc/teerto, 208, 212. 

 Meridian, 93, 94. 



circulare, 94. 

 Mermaid weed, 52. 

 Micrasterias, 74, 80. 



areuata, 82. 



dichotoma, 82. 



key to species of, 80. 



KUduttii, 83. 



latictps, 83. 



oscilans, 83. 



radiosa, 81. 



truncata, 82. 



Micrometer, stage, 43. 



to ascertain magnifying power 

 by use of, 44. 



Micrometer, to use, 44. 



Microscope, books relating to optical 



construction of, 46. 

 Microscope, boy's vertical, 18. 



compound, 2, 8. 



Craig, 5. 



Excelsior, 5. 



" Microscope, How to See with the," 



by J. E. Smith, 46. 

 " Microscope, How to Use the," by 



J. Phinn, 46. 

 " Microscope, How to Work with 



the," by Dr. L. S. Beale," 46. 

 Microscope, parts of the, 1. 



simple, 1. 

 action of, 2. 



"Microscope, the, and its Revela- 

 tions," by Dr. W. B. Carpenter, 46. 

 Microscope, to adjust for use, 24. 



use of, not injurious to eye- 

 _sight, 23. 



Microscope, vertical, 18. 

 Microscopical Society of London, The 



Royal, 12. 

 Mimulus ringens. crvstal prisms in, 



290. 



Mirror of microscope stand, 23, 24. 

 Mollusks, lingual ribbon of, 283. 

 Monkey flower, crystal prisms in, 290. 

 Mosquito, scales from, 278. 

 Moth, common clothes, scales from, 



278. 

 Mounting, microscopical, 25, 33. 



books relating to, 46. 



Myriophyllum, 48, 51. 



Nais, 164, 188, 198. 

 Names of specimens, the desire to 

 know, ix. 



Natural history, pleasure of study- 

 ing, 277. 

 Navicula, 94, 98. 



cuspidata, 98. 

 Needles, dissecting, 33. 

 Nerium Oleander, stomata of, 285. 



sphseraphides in, 286. 



Note-book, importance of, 41. 



