114 INDEX 



" Critical Light " in photomicrography, 5 

 Culture tubes, how photographed, 9 



D 



" Davis " diaphragm, 6 



Developer and development of negatives, 8 



Diplobacillus, 16 



Diplococci, 13 



Diplococcus Pneumoniae Frankel, 66 



agar culture of, 67, 68 



size and shape of, 67, 68 



E 



Edwards's isochromatic plates, 6 

 Endospores, 20 



formation of, 2 1 

 Exposure in photomicrography, 6 

 Eye-pieces, projection, 2 



F 



Figuke-of-eight bacilli (Pasteur), 16 

 Filaments, leptothrix, 1 7 



streptothrix, 17 

 Fission, multiplication by, 20 

 Flagellated organisms, 19 

 Focussing in photomicrography, 4 

 Fr'ankel's pneumococcus, 66 



agar culture of, 67, 68 



size and shape of, 67 

 Friedlander's pneumobacillus, 69 



gelatine stab culture of, 70 

 Fungi and fission fungi, 10 



