INDEX. 



407 



The numbers refer to the Paragraphs, not to the Pages. 



Orseillin, 95, 104. 



OETH, methyl violet, 107 ; lithium- 

 carmine, 153; picro-lithium car- 

 mine, 228. 



OSBOBN, embryology of Triton, 565 ; 

 brain of Urodela, 672, 681 ; serial 

 sections, 667. 



Osmic acid, for fixing, 2629; for 

 hardening, 75, 661, 669 ; for mace- 

 rating, 513 ; for impregnation, 28, 

 222 ; blackening of preparations 

 with, 28, 36, 542; how to keep 

 solutions, 26, 35, 36 ; KOLOSSOW'S 

 solution, 28 ; osmic acid and 

 alcohol, 29 ; and chromic acid 

 mixture, 34, 72 ; and chromic and 

 acetic acid mixture, 35, 36 ; acetic 

 acid mixture, 28, 514 ; osmic and 

 oxalic acid stain, 222. 



Osmium-blackened fat, 36. 



Osmium-carmine, 161. 



Osmosis, to avoid, 4. 



Ostracoda, 714. 



Ova, pelagic, 83, 575. 



OVIATT, injection method, 473. 



Ovum, maturation of, 609, 611; and 

 see Cytological methods. 



Ovum of Ascaris, 52, 611 ; other ova, 

 see Embryology. 



OWEN, preservative liquid, 367. 



Oxalic acid for maceration, 519. 



Oxygenated water, 547. 



P. 



PACINI, corpuscles of, 619; preserva- 

 tive liquids, 364. 



PAGENSTECHEE, fixing fluid, 44b. 



PAL, haematoxylin stain, 651 ; staining 

 nervous centres, 673. 



Palladium chloride, 48, 84, 755. 



Palythoa, 741. 



PANETH, making Weigert's haema- 

 toxylin, 650 ; goblet-cells, 699. 



PANSCH, injection-mass, 491. 



Paper, imbedding method, 266 ; paper 

 trays, to make, ibid. ; paper cells, 

 409. 



Papilla) foliatae, 623. 



Paraffin, imbedding processes, 267 et 



seq. ; review of, 277 ; paraffin 



masses, 278280; solvents of, 269, 



276 ; ovens, 270. 

 Paris green, 105. 

 Paris violet, 107. 

 PAEKEE, turpentine cement, 420. 

 Parma blue, 95, 108, 126. 

 PAETSCH, cochineal stain, 169. 

 PATTEN, embryology of Phryganida 



and Blattida, 584 ; eyes of Molluscs 



and Arthropods, 711a ; maceration 



of Mollusca, 712. 

 PATTLSEN, goblet cells, 699. 

 Pecten, eyes of, 71 la. 

 Pedicellina, 202. 

 Pelagic ova, 83, 575. 

 Pentacrinus, 740. 

 Perchloride of iron, for fixing, 50 ; for 



impregnation, 214. 

 PEEEMESCHKO, cytological methods, 



599. 



PEEENYI, fixing fluids, 39. 

 PEEGENS, picro-carmine, 147. 

 Periplaneta, ova of, 582, 715. 

 PEEL, soluble carmine, 162. 

 Permanganate of potash, 44c, 506, 625. 

 Peroxide of hydrogen, 547. 

 PETEONE, cerebro-spinal nerves, 652. 

 PFITZEE, imbedding mass, 285. 

 PFITZNEE, safranin solution, 103 ; 



gold chloride and safranin, 262; 



damar solution, 399 ; Opalina, 



752 ; cytological methods, 606. 

 Phalangida, 721 ; ova of, 589, 590. 

 Phascolosoma, 731. 

 Phenicienne, la, 106. 

 Phenylen brown, 106. 

 Phoroglucin, 540. 

 Phoronis, 731. 



Phryganida, embryology of, 584. 

 Phyllosoma, 714. 

 Physiological salt solution, 345. 

 Physophora, 747. 

 Picric acid, fixing fluids, 54 59; 



hardening ditto, 86; staining with, 



118, 125227; decalcification 



with, 583. 

 Picro-anilin green stain, 124. 



