FIG. 
100. 
IOI. 
102. 
103. 
104. 
105. 
ILLUSTRATIONS XXV 
PAGE 
. THE Eartiest KNowN Picture OF CELLS, FROM HOoKE’s Micro- 
graphia (1665), . 238 
. SKETCH FROM MALPIGHI’s TREATISE ON THE ANATOMY OF PLANTS 
(1670), 239 
. THEODOR SCHWANN, 1810-1882, 245 
. M. SCHLEIDEN, 1804-1881, 246 
. THE Ecc AND Earry StacEs IN Irs DEVELOPMENT (AFTER GE- 
GENBAUR), 253 
. An Ear iy STAGE IN THE DEVELOPMENT OF THE Ecc or A Rock 
LIMPET (AFTER CONKLIN), 254 
. Hicary MaGniriep TiIssuE-CELLS FROM THE SKIN OF A SALA- 
MANDER (AFTER WILSON), 255 
. DIAGRAM OF THE CHIEF STEPS IN CELL-DIVISION (AFTER PARKER), 256 
. DIAGRAM OF A CELL (MODIFIED AFTER WILSON), 257 
. (4) RoTATION OF PROTOPLASM IN CELLS OF NiTELLa. (B) HicH- 
LY MAGNIFIED CELLS OF A TRADESCANTIA PLANT, SHOWING 
CIRCULATION OF PROTOPLASM (AFTER SEDGWICK AND WILSON), 261 
. FéLrx DujaRDIN, 1801-1860, 265 
. PURKINJE, 1787-1869, 207 
. Cart NAGELI, 1817-1891, 268 
. Huco von Mout, 1805-1872, 269 
. FERDINAND COHN, 1828-1898, 271 
. HernricH ANTON Der Bary, 1831-1888, 272 
. Max SCHULTZE, 1825-1874, 273 
. FRANCESCO REDI, 1626-1697, 280 
. Lazzaro SPALLANZANI, 1729-1799, 283, 
. APPARATUS OF TYNDALL FOR EXPERIMENTING ON SPONTANEOUS 
GENERATION, 290 
. Louis PastEuR (1822-1895) AND His GRANDDAUGHTER, 295 
. ROBERT KOCH, BORN 1843, 301 
. Str JosepH LISTER, BORN 1827, 302 
. GREGOR MENDEL, 1822-1884, 315 
. FRANCIS GALTON, BORN 1822, 317 
. CHARLES LYELL, 1797-1875, 331 
. PROFESSOR OWEN AND THE Extinct Fossit Bird or NEw ZEA- 
LAND, 333 
. Lourts Acassiz, 1807-1873, 334 
E. D. Corr, 1840-1897, 336 
O. C. Marsa, 1831-1899, 337 
KARL VON ZITTEL, 1839-1904, 339 
TRANSMUTATIONS OF PALUDINA (AFTER NEUMAYER), 352 
PLANORBIS SHELLS FROM STEINHEIM (AFTER Hyar7), . 353 
BONES OF THE FORELEG OF A Horse, 350 
