I N DEX. 



Page. P-iet'- 



Alilie camera 130 AcTir-Miick mrtlioil tV.r ^tuil>- of antafionisin. . 73 



Alistracts, making of 114 Agar-[)latcs, fi>r (k'tcctiijii nf aciikformmg 



Acclimatization to high temperatures 222 ecihjnies 51 



Acetic alcohok Agfa-intensifier 142 



as a fixing fluid 202 Air, 



with mercuric chloride 202 hacteria infrequent in Arctic 255 



Acetone, for use in fermentation-tubes 52 hacteria rare in upper str.ata of 255 



Aeul-fast hacteria 188 of mountains, hacteria rare in 255 



Acid-forming hacteria, demonstration hy plate over the sea, hacteria rare in 255 



cultures 5i.^,?3 \ir-currents, .langer of 103, 106 



Acid gelatin, effect on growth ^o Air-shaft, for \entilation of ilark-room 149 



Acid, ^ Alliumen, eeg, 



hydrochloric, in cidture-meiha 98 Ma\er's IIO 



xalic, actively gernncidal 249 preparation of, f,,r culture-medium 48 



Acids, 



action on enzymes 68 



effect on bacteria 249 



formation of, in milk-cultures 46 



\Icoh..l, 



as a fixing lluid 8, 202 



ctli\l, for Use in fermentation-tubes 52 



r . . . , , ^ metlnl, fur use in fermentation-tubes q2 



method of estimating 111 plants, when n^t - -i i .- c ^-, 



r weak gernncidal action rit 2^2 



free 20/ - 



spilled, neutralization of 107 -•^n-.iiies 



/ , .■ flit -,i,fr, action on enz\nies do 



toleration of. In' liacteria /0, 249 ^ . . -. , , 



, , , ■" • ,1- I „ ,, ^,.:. ,-, Ar, formation ot, lu cultures or 



vegetable, sensitiveness ot hacteria to 09 . . ' , . , 



( , " ,■ ,/:, sensiliveness 01 hacteria to 09 



Achromatium 102 ,,,_,• 1 1 ^ ■ 



Acrolein, germicidal action of. 



ti]ler,ition nf, by bacteria 70 



, , ,. , • , • .\ I kali lie niellnlene blue 18S 



Achromatic objectives, . .,■ ■ ' i . 1 o ti 1 ■ o ■ /-,<-, 



,. , J. , ,„ Amar\lhs, inoculated with k!. hvacmthi on 



disadvantages of 140 > ■ b 1 . ■ " ,^. 



. , ,r I J c ■.- ofi- .\nudii-bacteria 17=; 



with excellent dehmtion 2Do ,■.,,- ,- 



.Vmins, test t^r f'l.i. 



Amnicinia-bacteria 175; 



Ammonia, 



oxidation of, by bacteria 64 



test for 64 



Aerobe, Pasteur's definition of 230 



Agar-agar, 



combined with bouillon and sugars 33.51 



commercial, source of 3 k --5 



composition of 3-. 223 



cultures on, for flagella staining 20 Ammonium, 



filtration of 33, -^-M. -^^5 citrate, relation to pigment-production 65 



"-lycerinated W, 196 lactate, relation to pigment-production 65 



fitmus lactose 196 ^--^-'late, solvent of middle lamella 67 



melting point of 3^ salts, oxidation ot, by bacteria. . 64 



methods of making 223. 224, 225 salts, sterilization without loss of ammonia. 52 



nutrient, centrifuging of 225 succinate, relation to pignient-produetion . . . (r, 



nutrient, temperature at wduch poured 105 Anioebohacter _ 1(13 



per cent used for media 35 -^"aerobe, Pasteur s definition ot 230 



rate of diffusion in 224 Anaerobes 51 



roll-cultures of 3'' Arcns' method of cultivating 231 



softening of, by bacteria 3^ Buchner's method for growing 23 t 



solidification of 3- 



source of 3 1 



standard nutrient, preparation of 33.195 Hesse s method 



Bulloch's method of oljtaining 228 



Heim's method 231 



,0 



sterilization of...' 98,99 Klein's apparatus for 232 



variatiLin on of same organism 180 on culture-media m hydrogen, etc 57 



with neutral' red 230 present in milk 4O 



without nutrients 229 \A^-ight s methods ot cultivating 228 



