LIST OF ILLUSTRATIONS. 



Page. 



Common Mould Cplate) i 



Eye of the Crav-fish (plate) 25 



Zeiss Microscope Stand B, medium size (plate) . 49 



Zeiss Achromatic Condenser (figure) . 51 



Zeiss Heating Oven (figure) 51 



Zeiss Sliding Objective Changer (figure) 52 



Zentmayer's Abbe Condenser (figure) 60 



Desmids (plate) 73 



King Microtome (figure) 83 



Bacteria (plate) 97 



Zeiss Photo-micrographic Apparatus (plate) 121 



Zeiss Photo-micrographic Apparatus for Vertical Microscope (figure) .... 122 



Tentacle-bearing Animalcule (plate) 145 



Spores of Plant Rusts (plate) 169 



Inferior Side of Barberry Leaf (figure) 173 



Section of ^^^cidium Fruit of ^Ecidium hepaticarum (figure) 176 



Section of Liver Containing Eggs of a Worm (plate) . . .• 193 



Apparatus for Examining Blood (plate) 217 



Apparatus for Examining Blood (plate) 241 



Frog-plate and Irrigating Apparatus (figure) 244 



Thoma's Apparatus for Studying Circulation of the Blood (figure) 245 



Lighton's Dark-field Illumination (plate) 265 



Griffith's Fine Adjustment (figures) 272 



