346 M. M. Mercaur 
Appendix. Staining reaction 
Basal Kctosare E 
Stains and Reagents Cilia Pellicula granules of | films and cLOsate 
Ci; 1 spherules 
Vilia granules 
Intra vitam. 
1 Neutral red O O O O dark red 
2 Methylen blue O O O O blue 
3 Toluidin blue O O O O blue 
4 Congo red O O O O O 
5 Indigo-carmine O O O O | O 
6 Methyl violet O O O O | O 
7 Dahlia O O O O | O 
8 Bismarck brown O O oO | O | O 
9 Gentian violet O O O O | O 
10 Thionin O | O O O | O 
After fixation with 
corosive-sublimate- 
acetic acid. 
11 Methylen blue O faint blue green green green 
12 Methyl violet violet very pale violet violet | pale violet 
violet | 
13 Gentian violet pale violet | pale violet dark violet | violet violet, the 
smaller are 
darker. 
14 Thionin O O green green green 
15 Dahlia very faint | very faint purple | purple purple 
purple purplish | 
gray. 
16 Fuchsin pale red good red pale red films faint yellow with 
pink, granu-| faint pink 
les yellow | flush 
with faint | 
pink flush. 
17 Rubin 8. pale red red red red pale red 
18 Orange G. yellow yellow yellow yellow yellow 
19 Bismarck brown brown brown brown brown brown 
20 Kernschwarz brown brown brown brown brown 
21 Safranin red red red red red 
22 Safranin and light green green green green green green 
23 Ehrlich’s triacid mixture |? very faint green blue blue 
24 Biondi-Ehrlich-Heiden- 
hain’s mixture ? very faint green blue blue O 
25 Borax carmine faint red |? very faint red red O 
26 Paracarmine faint red |? very faint red red O 
27 Delafield’s haematoxylin blue blue gray blue blue muddy 
yellow, i. e. 
unstained. 
28 Heidenhain’s iron-haema- O O black | black larger, gray; 
toxylin ‘smaller, black. 
29 Ehrlich’s indulin-aurantia- blue blue very faint O 
eosin blue, almost 
unstained 
: 
