376 



INDEX. 



Polariser and analyser, 18 



I'ollcn grains, examination of, 164 



Portal vein, 139 



Position of an object, marking the, 41 



Potash, solution of, 205 



,, and soda, solutions of, in gly- 

 cerine, 297 

 POUCHET, M., investigations upon minute 



organisms, 282 



POWELL and LEALAND, MESSRS., their 

 binocular microscope, 12 



,, ,, ,, folding 



microscope, 1 1 



,, ,, ,, highest 



powers, 284 



Powers, magnifying, 5, 280 

 Precautions to be observed in working 



at the microscope, 73 

 Preservation of crystals, as permanent 

 objects, 215 



,, ,, soft tissues, general di- 



rections, 117 



Preparers of microscopic objects, 363 

 Preparations, keeping them in cabinets, 



186 



Preserving specimens in glycerine, 54 

 ,, ,, Canada balsam, 76 



,, ,, the dry, 75 



,, vegetable tissues permanently, 

 167 



Preservative fluids, 53 

 Pressing down the thin glass covers of 

 specimens while cement is drying, ar- 

 rangements for, 51 



Pressure required in making an injec- 

 tion, loo 



PRICE'S glycerine, 55 

 Primary or vital movements occurring in 



living beings, 170 

 Primordial utricle, 317 

 Prints, photographic, mounting, 2/4 

 Printers, 363 



Properties, hardening, of different chemi- 

 cal solutions, 216 



, , of living matter, 311 

 Protoplasm, 310 



Prussian blue, advantages ofemploying, 92 

 ,, ,, the injecting fluid, 93 



,, ,, new form of, 97 



QUEKETT, PROF., his achromatic con- 

 denser, 24 



RAMSDEN'S positive eye-piece, 5 

 RANSOM, DR., method of applying heat 

 and cold to objects, while under mi- 

 croscopical examination, 157 

 Rat, mode of injecting, 99 

 Razor for cutting thin sections, 45 

 READE, REV. J. B., his hemispherical 



condenser, 24 



Reaction of substances, 199 

 Re-agents, production of membranes and 

 fibres by, artificially, 193 



Re-agents used in microscopical investi- 

 gations, 201 



Acetic acid, 203 

 Alcohol, 202 

 Ammonia, 205 

 Chromic acid, 203 

 Distilled water, 201 

 Ether, chloroform, 202 

 Hydrochloric acid, 203 

 Iodine solutions, 207 

 Nitrate of barytes, 206 



,, silver, 207 



Nitric acid, 202 

 Oxalate of ammonia, 207 

 Potash, solutions of, 205 

 Soda, solutions of, 205 

 Sulphuric acid, 202 

 ,, uses of, 198 



Recording results of microscopical ob- 

 servations, 190 

 Reflected light, 1 8 

 Reflector, annular, 21 



,, concave, metallic, 21 

 ,, neutral tint, 27 

 ,, parabolic, 21 



Removing deposits with the pipette, 85 

 Results of microscopical observations, of 



recording, 190 



Reviewing, medical and scientific, 312 

 Retort stands, 43 

 Rings to diminish the size of the aperture 



over water bath, 44 



ROBERTSON, DR., his table for conver- 

 sion of British and foreign lineal mea- 

 surements, 39 



,, MR., his plan of injecting 



the snail, 104 



Rocks and crystals and fossils, examina- 

 tion of, 174 



,, ,, ,, making 



sections, 179 

 Ross, MR., his improvements in the 



compound microscope, 4 

 Round cells, 66 



RUTHERFORD, MR. L. W., his micro- 

 scopical photographs, 23 



Salivary glands, examination, 137 



Sarcolemma of muscular fibre, 1 23 



Scale, importance of appending to draw- 

 ings of microscopical objects, 34 



Scales, examination, 158 



Scalpels, 44 



SCHULTZE, MAX, his iodine solution, 208 

 ,, ,, stage for heating 



objects, 157 



Scissars, for minute dissections, 45 



Sea dredging, 146 



Sealing-wax varnish, 48 



Secondary movements occurring in living 

 beings, 172 



Section knife, 44 



Sections, cutting under the microscope, So 

 ,, thin, obtaining of, 80 



