774 



INDEX 



Prokofieva, somatic divisions in 

 Drosophila, 638 

 Teleost chromosome preparations, 

 633 

 Pro-plastids, 1334 

 Proteins, tests for in plants, 1351 

 Protozoa, blood forms, cnllivation of, 

 1116 

 chromatin tests for, 1159 

 lixatives for, 1130 

 fixing and preserving for permanent 



preparations, 1126 

 free living forms, cultivation of, 



1109 

 intestinal, cultivation of, 1117 

 living, examination of, 1121 

 staining, double and triple, 1152 

 stains for, 1146 

 Prussian blue, aqueous mass, Ranvier, 

 543 

 colouring mass, Robin, 521 

 gelatin mass, Ranvier, 528 

 glycerin mass, Beale, 536 



Ranvier, 539 

 reactions on organic iron, 674 

 Pteridophyta, 1404 

 Pujiula, Mallory's triple stain, 1306 



])icric acid and fuchsin, 1300 

 Pulmonata, nervous system, 1172 

 Dreyer, 1172 

 B. deNobias, 1172 

 Purcell, araneida embryological 

 methods, 855 

 arthropods eyes, 1193 

 Purpurin, 420 

 Pusateri, method for nerve fibres, 



1013 

 Pyrenoids, 1335 

 Pyridin, fixative, 110 

 Pyrogallol and osmic acid, 413 

 Hermann, 413 

 Lee, 413 

 Pyronin method for pancreas, 904 

 plasma stain, 320 



Pappenheim, 320 

 Unna, 320 

 Pyrosin B. See Eosin. 

 Pyrrol blue, vital staining, 753 



Quick and Patty, clearing whole 

 organs, etc., of plants, 1267 



Quinolein blue, stain, fatty matters, 

 350 



Raadt-Romanowsky's stain, 878 

 RabI, chromo-formic acid, 46 



cochineal alum-carmine, 253 



coUodin for section mounting, 212 



crystalline lens, 940 



fixation of embryos, 798 



haematoxylin and safranin, 434 



picro-sublimate, 75 



platinum chloride, 80 



platinum-sublimate, 81 



Rabl-Ruckhard's salmonidae 

 embryological methods, 834 

 Racovitza, mucus glands, 1179 

 Raffaele, pelagic fish ova fixation, 837 

 Raja, electric organs, 947 

 Ramon-y-Cajal. See Cajal. 

 Rana, embryological methods, 828 

 Gatenby, 828 

 O. Hertwig, 828 

 H. D. King, 828 

 Morgan, 828 

 Schultze, 828 

 Rancken, plant chromosome fixative, 



1356 

 Randolph, modified Navashin fixative, 



1357 

 Ranke, neuroglia cell-body stain, 



1090 

 Ransom, method for nerve fibres, 



1013 

 Ranvier, alcohol, 109 

 ammonia-carmine, 262 

 carmine-gelatin mass, 522 

 cornea, 939 



decalcifying agent, 598 

 electric organs, 947 

 eleidin, 932 

 formic acid gold pre-impregnation, 



404 

 Golgi corpuscles, 950 

 innervation of frog's bladder, 955 

 lemon-juice gold pre-impregnation, 



405 

 macerating medium, 571 

 nerve endings, gold method, 943 



silver method, 944 

 picro-carmine, 267 

 preparation and sectioning non- 

 decalcified bone, 910 

 Prussian blue, aqueous mass, 543 

 gelatin mass, 528 

 glycerin mass, 539 

 retina fixation, 1101 

 on silver nitrate, 390, 391 

 vom Rath, 0., picro-platinic mixture, 

 106 

 picro-sublimate, 75 

 Rau, paraffin method for plants, 1244 

 Rawitz, artificial alizarin plasma 

 stain, 360 

 carmalum, 254 

 caustic soda bleaching, 619 

 cochineal alum-carmine, 253 

 glychsemalum, 291 

 hardening by chromic salts, 984 

 '■ inversion " plasma stains, 359 

 nervous system method, 997 

 phospho-tungstic solution, 52 

 Rayner, mycorrhiza, 1397 

 Razor blade holders, 168 

 Reagan, F. P., injection of embryos, 



809 

 V. Recklinghausen, silver nitrate, 391 

 reduction. 393 



