CONTENTS. Xlll 



Plate-Glass and Shallow Cells, . . . . . .237 



Deep and Built-up Cells, . . 239 



Mounting Objects in Cells, ....... 240 



Importance of Cleanliness, . . . . . . 242 



Labelling and Preserving of Objects, ..... 242 



Collection of Objects, ....... 243 



CHAPTER VI. 



MICROSCOPIC FORMS OF VEGETABLE LIFE. PROTOPHYTES. 



Boundary between Animal and Vegetable Kingdoms, . . . 247 



Characters of Vegetable Cell, 248 



Life-History of Simplest Protophytes, . . . . .251 



Volvocineae, ........ 259 



Desmidiaceae, . . 265 



Diatomacese, ........ 277 



Palmellacere, . . . . . . . .307 



Ulvacete, ......... 309 



Oscillatoriacese, . . . . . . . .311 



Siphonaceae, . . . 313 



Confervaceae, . .317 



Conjugateaa, . . . . . ' 319 



Chaetophoraceae, ...... . . 321 



Batrachospermeae, . . . . . . * '; 321 



Characea3, * . . .322 



CHAPTER VII. 



MICROSCOPIC STRUCTURE OF HIGHER CRYPTOGAMIA. 



Alg33, 327 



Lichens, ......... 333 



Fungi, ......... 334 



Hepaticae, ........ 344 



Mosses, ......... 348 



Ferns, ......... 352 



Equisetaceae, . . . . . . .<;*- . 358 



CHAPTER VIII. 



MICROSCOPIC STRUCTURE OF PHANEROGAMIC PLANTS. 



Elementary Tissues, ........ 360 



Structure of Stem and Root, . . . . . 376 



Structure of Cuticle and Leaves, ...... 388 



Structure of Flowers, ....... 395 



CHAPTER IX. 



MICROSCOPIC FORMS OF ANIMAL LIFE: PROTOZOA; ANIMALCULES. 



Protozoa, ......... 404 



Rhizopoda, ........ 410 



Infusoria, ......... 412 



Rotifera, ......... 426 



