INDEX. 



333 



Reflex illuminator, Wenham's, 71 

 Refraction of light, 97 

 Refractive indices, Table of, 98 

 Relative power of oculars, 43 

 Resolving power of objectives, 103, 117 

 Revolving table, 90 

 Rezner's mechanical finger, 294 

 Rhinoceros horn, 244 

 Rhomb of Iceland spar, 240 

 Rhopalocanium ornatum, 155 

 Rhopalomyces pallidus, 144 

 Ringing varnishes, 323 

 Rings in biaxial crystal, 246 

 Rock-sections, cutting, 199 



mounting of, 297 



Rosewood slips, 274 

 Ross, early objectives, 46 



model, II 



stands, 10, 12 



Zentmayer's stand, 27 



Rotatoria, 145 



Rotifer trap, 83 



Rutherford's microtome, 185, 194 



SAFETY cage, 89 

 Salpina redunca, 134 

 Saws of saw-fly, 174 

 Scale of Podura, no 

 Sciopticon, 212, 228 

 Scissors, 169 



Scolopendrium vulgare, 142 

 Sea-anemones, 160 

 Section-cutter, common, 184 



Haile's, 184 



Hoggan's, 201 



Matthews', 202 



Rutherford's, 185, 194 



Swift's, 1 86 



Section-knives, 187 



lifter, 184 



Sections, animal, 193 



bleaching, 260 



bone, cutting, 201 



coal, cutting, 200 



cutting, 182 



bedding agents for, 188 



Echinus spine, 112, 113, 200 



frog's lung, 115 



Sections, horse-chestnut, 108 



human liver, 117 



lichens, 190 



mounting, 308 



pine wood, 1 10 



rocks, 199 



teeth, 20 1 



vegetable, 1 89 



wood, 156 



Selection of objectives, 49 

 Selenite films, 241 



Barker's, 241 



stage, 241 



Sending slides by post, 310 

 Separating diatoms, 294 



objectives, 48 



Short-mounted objectives, 52 



Side reflectors, 80 



Siphonoptera, 146 



Size, 267 



Slags, 151 



Slide box, Stokes's, 309 



centerer, 274, 275 



sending by post, 310 



Slips, 97 

 Slitter, 195 



charging with diamond dust, 196 



Slitting and polishing bench, 195 



Smith's mounting instrument, 308 



Soda, 313 



Softening agents, 312 



Solar heat, 215 



Solvents, 316 



Sorby's wedge cell, 25 1 



Spectra of various substances, 253 



Spectroscope, 249, 256 



Spectroscopic maps, 257 



Spencer's early objectives, 46 



Spicer's fluid, 319 



Spine, Echinus, section of, 112, 113, 200 



Sporocybe alternat,a, 144 



Spot lens, 77 



Spring clips, 300 



scissors, 169 



Stachybotrys lobulata, 144 



atra, 144 



Stage-forceps, 81 



rotating, 82 



Staining and injecting, 259 



