INDEX. 



I 49 



Spirochaeta pallida associated 

 with bacillus fusiformis, 



43 



change of form in, 30 



conjugation in, 37 



cultivation, 32, 33, 53, in 



description, 108 



developmental form of a 

 bacillus, 42 



division in, 34 



effect of anisyphilitic treat- 

 ment on, 54 

 of phagocytosis on, 56 

 of syphilitic virus on, 54 



encystment in, 39 



in chancre, 51 



in congenital syphilis, 56 



in fetus, 56 



in gumma, 51 



in lesions artificially pro- 

 duced by inoculation of 

 lower animals with 

 spyhilis, 52 



in non-syphilitic condi- 

 tions, 49 



living, staining of, 67 



loop in, 29 



movement in, 25 



nodules in, 28 



objections to, as cause of 

 syphilis, 49 



ovoid bodies in, 40 



relationship of, to actual 

 lesions of syphilis, 50 



rod-shaped bodies asso- 

 ciated with, 41 



sexual cycle, no 



sheath in, 2 6 



spirochaetes resembling, 

 in ulcerative granu- 

 loma of pudenda, 52 

 in yaws, 52 



staining, 63, 64 



variability of form, 49 

 pallidula, 112 



Spirochaeta pectinis, 86 

 pelamydis, 99 

 pertenuis, 53, 57, 112 



associated with bacillus 

 fusiformis, 43 



description, 112 



loop in, 29 



nodule in, 28 



ovoid bodies in, 40 



pinnae, 79, 84 



description, 84 

 pitheci, 90 

 plicatilis, n, 73 



description, 73 



in water, 31 



shape of, 18 



structure, 17, 23 

 polyspira, 31, 86 

 pseudopallida, 104 

 recurrentis, 12, 86 

 refringens, 106 



associated with bacillus 

 fusiformis, 43 



cultivation, 32 



description, 106 



undulating membrane in, 



26 



schaudinni, 103 

 spiculifera, 19, 8 1 

 stenogyrata, 116 

 suis, 95 

 tapetos, 84 

 theileri, 94 



description, 94 

 vesperuginis, 61, 93 



description, 93 



division in, 34 



undulating membrane in, 



26 

 vincenti, 102 



description, 102 



euglenoid movement in, 



25 

 Spirochaetes, associated forms, 



3 



