PROCEEDINGS OF THE SOCIETY. 



89 



a considerable extension of the number of microscopical requisites now 

 available. 



Dry Stains. 



Axur I. (methylene azure). 

 Azur II. 

 Azur II. eosin. 

 Ammonia carmine. 

 Di-chloro-fluorescein. 

 Di-chloro-di-bromo-fluorescein. 

 Di-chloro-di-iodo-fluorescein . 

 Di-bromo-di-iodo-fluorescein. 

 Eosin yellow shade (tetra-bromo- 



fluorescein). 

 Eosin methylene blue. 

 Eosin orange (di-bromo-fluorescein). 

 Erythrosin A (tri-iodo-iiuorescein). 

 Erythrosin B (tetra-iodo-fluorescein). 



Erythrosin G (di-iodo-fluorescein). 



Fluorescein. 



Fluorescein sodium (soluble in water). 



Gienasa's stain. 



Haematein. 



Jenner's stain. 



Lithia carmine. 



Methylene blue polychrome. 



Methylene violet. 



Picro-carmine lithia. 



Picro-carmine soda. 



Tetra-chloro-fluorescein. 



Tri-bromo-fluorescein. 



Tri-chloro-fiuorescein. 



A colour-chart of fluorescein and its halogen derivatives was exhibited. 

 It had been prepared from equimolecular solutions of the dyes, and showed 

 that each increase in the molecular weight was accompanied by an 

 increase in the depth, and also a change in the colour of the dye. 



Staining Solutions and Reagents. 



Alum cochineal. 

 Carbol fuchsin. 

 Carbol methylene blue. 

 Carmine : — 



Beale's ammonia carmine. 



Grenacher's alum carmine. 

 ,, borax carmine. 



,, alcoholic borax carmine. 



Mayer's borax carmine. 



Orth's lithia carmine. 

 Carmalum (Mayer). 

 Edington's hsemacytometer solution. 

 Ehrlich's triacid stain. 

 ,, triple stain. 

 Eosin 2 p.c. 

 Erythrosin 0'5 p.c. 

 Gentian violet (aniline water). 

 Gram's iodine. 

 Gibbe's double stain. 

 Giemsa's stain. 



Hsemalum (Mayer). 

 Haematoxylin : — 



Delafield's htematoxylin. 



Ehrlich's hsematoxylin. 



,, ammoniated hsematoxylin 



Kleinberg's hgematoxylin. 



Bohmer's hsematoxylin. 

 Jenner's stain. 

 Leishman's stain. 

 LSffler's stain. 

 Malachite green. 

 Methyl violet (aniline water). 

 Phloroglucin. 

 Picro-aniline blue. 

 Picro-carmine ammonia. 

 Picro-carmine lithia. 

 Picro-fuchsin. 

 Schultze's solution. 

 Toison's solution. , 



Mounting Media. 



Alpha-bromonaphthalene. 

 Cedar-wood oil. 

 Canada balsam in benzene. 

 Canada balsam in xylene. 



Dammar varnish. 

 Dammar and mastic. 

 Glycerin jelly. 



Indicatohs in Solution and Solid Form. 



Azolitmin. 



Bromo-phenol-blue (tetra-bromo- 



phenol-sulphone-phthalein). 

 Di-methyl-amido-azo-benzene. 

 lodo-eosin (tetra-iod o-fluorescein) . 

 Lacmoid. 

 Methyl red. 



Phenol red (phenol - sulphone - 



phthalein). 

 Phenacetolin. 

 Thymol blue (thymol-sulphone- 



phthalein). 

 Thymol phthalein. 



