EISr OF ILLUSTRATIONS: 
Double-stained Wood Sections. 
Infusoria upon Anacharis. 
Micro-fungi. Plate II., 25 
Melicerta ringens. 
Spheeria herbarum. 
Proboscis of Fly. 
Atmospheric Spores. 
A 
Apothecia of Lichen, 102 | 
Apparatus for keeping Raulin’s Fluid, | 
299 
B 
Botterill’s Life Slide, 202 
Botterill’s Trough, 143 
Cc 
Cloeon, Nymph of, 289 
Crystal of Sanidine, 34 
D 
Dipping Tubes, 301 
Diptheria bacteria, 234 
Dissecting Microscope, 131 | 
Dytiscus Marginalis, 150 | 
Internal Organs | 
of, 158 
Larva of, 158 
Proleg of, 153 
Spiracle of, 153 
Trachea of, 151 
E 
Ephemera danica, 288 
Ephemera, Nymph of, 289 
39 39 
Frontispiece, Wood Sections, 267 
G 
Glass Crystals, 12 
1b 
Lecanora cerina, 89 
Lepisma saccharina, 178 
M 
Marsh’s Section Spoon, 130 
Micro-fungi, 25 
FRONTISPIECE, 267 
Plates. 
Plate III., 49 
Plate IV., 50 
Plate iV. 
lateness 25 
3 13 
Mosquito, 205 
+5 206 
1 
Parasite of Vorticella, 214 
Parkes’ Lamp, 213 
Photo-Micrographic Apparatus, 75 
Pitchstone, Section of, 34 
Podura plumbea, 69 
Pond Scoop, 196 
Proboscis of Fly, 81 
Pycnideés of Lichens, 105 
R 
Razor Guards, 162 
S 
Section Cutter, 31 
Section Cutter (Hailes’), 131 
Section-cutting Machine, 261 
Spermogones of Lichens, 105 
Spheeria herbarum, 50 
Spring clip, 131 
Substage Illumination, 189 
190 
39 329 
ar 
Thallus of Lichen, 102 
Trichina Spiralis, 83 
Turntable, Armstrong’s, 183 
Aylward’s, 211 
33 
10} 
Usnea barbata, 88 
V 
Valves of Diatoms, 218, 219, 220 
221,222 
W 
Watson’s Patent Microscope, 133 
Working Microscope, 216 
