TXDICX. 273 



Pasc. P ,gp. 



Clatisificatidn — continued. OniNs-inociiluliun^ iRi'i 



watcr-liaclcria 20,^ Ci-( iss-lcvcl T40 



Win-^low & Kciijcrs 265 Cr\ stal^, 



with reference U> nitrn^en-nntriliLin 175 fnrnialinn of, in inilk-cullures 40 



Cleaning, .glassware 100, 22('i, 22"/ in oM cnllures ()(\ 



Cleaning nnxtnre, cbroniic acid 2no prevent making thin secliems 122 



Clostridinni pastenrianum, separation hy heat. 106 Cncnniher, natnr.il infection in 02,17^,215 



Cloth, impervious to light 14,^ Cidlural characters. 



Clouding, A'alne nf T/S 



nature of, in culture-lluids 42 \ari.ations in, due to en\ironnieut 7^2,1^3 



rapidity of, in culture-tlnids 42 Cullurc-lluids, 



Coccaceae, rewision of 2(1,^ cold slerili/.atiou of 4,^,, 52 



Coccohacteria septica 176 e.xannnatiou of. hcfoi-e inoculation 42 



Coconut-water, as a culture-medium 41 growth in, char.actcrs (.f, to lie noted 42 



Cocothrix 172 non-synthetic 795 



Cohn, synthetic 197 



Bacillus of i,=;S tune required for clouihng 42 



Bacterium of idd Culture-medi.a 22,'', 



nutrient solution of 1117 .agar-nutrieiU ,?i, to.t 



rise of temperature in cotton- wool waste. . . 248 heef-hroth 45, 19,5 



Collections, the making of 117 hlood-seriun 4S 



Cidlodion, containing sn.gars, sterilization of oS 



sac-method fcir study of antagonism 73 cooked vegetaMes for 40 



sacks, preparation of, for dialyzing },/, 22t) 1 )unham's solution 195 



Colonies, egg-alliumen 48 



acid-forming, special a.gar for detection of. 51 egg-yolk 49 



characters to he noted on si.did media 20 for luminous h.acteri.i tio, 108 



counting of :-,t> gelatin 2(|, Kit. 



effect of physical conditicius on appearance hydr( .chloric acid in ')>< 



of 182, 183 litmus milk 48, 19I1 



measiu'ement of nS milk 40 



photographing of T34 non-synthetic 195 



Color-scales, plant juices used as 41 



importance of 109 preparation and care of 97 



kinds recommended 2f<3 protection from light 53 



Comma hacillus, faw, ]. reparation ol 41 



classification of ^7.^ record-hook for 109 



Koch's paper on 212 silicatc-jelly 3''. 198 



Conditions which are unfavorahle, niHueiiee special, for dillerential imrposes 220 



on cell-unions ^^ starch-jelly 50, 196 



Conrad, fermentation of sauerkraut 257 sterilization ot, in autoclave 98 



Constancy of characters ''"^^ storage of 90 



Contact-irritation 



Contamination, how to avoid 103 



viithctic 107 



itration of do 



Contr6I-plants, proper behavior ..f 15. 16 Culture-rooms 104 



Coplin's staining jar 1I9 Cultures, 



Copper-chrom-hlter -'oi electi\-e jo(, 



Copper salts, germicidal value of ^51 involution forms in 23 



Copper sulphate "4 method of keeping notes on 1 1 3 



Corallm test for slime derived from starch. . 221 methods of testing purit\- 184, 1X5 



Cotton, 



plate, stall and streak -9. 30 



dry heating in bulk 99. loi preservation of, in museums 20. 



natural infection m 95 storage ..f stock 123, 203 



surgeons' absorbent, sterilizati.m of loi treatment ..f spilled 107 



was°te for laboratory use 107 Cyanophyceae, cilia on side walls of 211 



Counting-plates, ruled. . ._. 36, 227 Cystobacter 10,5, 218 



Cover-glasses, cleaning of 227 Cytase 07 



Caver-o'lass preparations 20,28 Dallinger, measurement of unstained flagella. 



Covers, discarded, care of 107 ^ 170, -'19 



Cramer resistance of sp(..res to dry heat, Dallinger & Drysdale, Bacterium termo, fla- 



cause of -18 gella of 20 



Crenothrix ^^2 Dangeard, green bacteria 2.^7 



Cristiani, bacteria in upper air 255 Dannappel, spores sensitive to heat 22. 24O 



