188 INDEX. 
LACTOSE, 56 
Lamprocystaceze, 42 
Lamprocystis, 42 
Leprosy, 152 
Leptothrix buccalis, 176 
Lichenes, 40 
Lichens, 40 
Liebig’s extract of beef, 55 
Life-history of a species, 83 
Liquefying ferment, 80 
Litmus milk, 58 
Liverworts, 40 
L6ffler's blood-serum, 58 
method for flagella, 27 
modification of, 29 
methylene-blue, 171 
Lophotrichous, 25 
MALARIA, 159 
Malarial hematozoon, 159 
Measurement of bacteria, 11, 163 
Meat-extracts, 55 
Meat-sugar, 56 
Media, culture-, 51 
Merismopedia, 22 
flava varians, 180 
fragilis, 179 
goodsiri, 181 
mesenterica corrugata, 179 
mollis, 179 
ventriculi, 181 
Methylene-blue, 18, 170 
Kiihne’s, 171 
Léffler’s, 171 
Unna's polychrome, 172 
Mica, 69 
Micrococci, form of, 22 
reproduction of, 34 
species of, 96 
Micrococcus, 39, 96 
albicans amplus, 178 
amylovorus, 175 
aureus, 124, 125 
cerasinus siccus, 181 
citreus, 125, 181 
conglomeratus, 179 
cumulatus tenuis, 180 
endocarditidis rugatus, 179 
flavus conjunctive, 179 
desidens, 179 
tardigradus, 179 
gonorrhoeze, 129 
lacteus faviformis, 179 
lucens, 179 
pfliigeri, 179 
Micrococcus prodigiosus, 176 
pyzmiz cuniculorum, 179 
pyogenes, 125, 178 
albus, 179 
aureus, 178 
tenuis, 180 
tetragenus, 125 
subflavus, 179 
ureze liquefaciens, 179 
Micrometer, eyepiece, 12 
stage, I2 
Micromillimeter, 12 
Micron, 12 
Microscope, Ir 
simple, for counting colonies, 116 
Microspira, 41, 106, 111 
comma, 27, 64, 180 
finkleri, 65 
metschnikovi, 65 
Migula, 39, 95 
Milk, analysis, 120 
classification of bacteria in, 112, 
I2I 
culture-medium, 58 
litmus, 58 
tubercle bacteria in, 157 
Mirror, I1 
Monas prodigiosa, 176 
Monotrichous, 25 
Mordant, 25, 27, 29 
Morphologic characters of a species, 
83, 84 
Morphology of a species, 83 
of bacteria, 22 
Mosses, 40 
Motility, test for, go 
Motion, 24, 90 
Moulds, 165 
cultures of, 166 
examination of, 166 
identification of, 168 
staining, 166 
Mouse-holder, 129 
Movement, Brownian, 24, 25 
Mucor racemosus, 165, 166 
Museum preparations, 76 
Mycoderma aceti, 176 
Myconostoc gregarium, 181 
Mycoprotein, 19 
Mykobacterium tuberculosis, 178 
avium, 178 
Myxomycetes, 40 
NAME, determination of, 95 
Needle, platinum, 14 
