18 



FREDERICK EBERSON 



lowing table is given so as to show the lack of uniformity in Hodgkin's strains 

 which our study has so far illustrated. 



A glance at Table 1 shows that the strains isolated from Hodgkin's cases 

 not only differ among themselves, but are not to be distinguished from organ- 

 isms obtained from widely varying sources. The study of Hodgkin's disease 

 is to be the subject of another report. Until the etiology of Hodgkin's disease 

 is more definitely ascertained, it is suggested that C. Hodgkinii should not be 

 retained as a valid species inasmuch as the two C. Hodgkinii (Rosenow) strains 

 are widely differem in cultural characters. In view of the fact that other 

 organisms which are in no way related to this disease or any adenopathy 

 resembling it, are culturally and morphologically identical with this organism, 

 the name Hodgkinii serves no purpose and leads to confusion. 



TABLE 1 

 SHOWING THE LACK OF UNIFORMITY IN ACID PRODUCTION IN HODGKIN'S STKAINS 



DISTRIBUTION OF DIPHTHEROIDS 



At this point it seems convenient to tabulate the diphtheroids which 

 have been found in glands and tissues and arrange the several species 

 which have not been classified heretofore. 



DIPHTHEROIDS IN GLANDS AND TISSUES 



The following signs indicate acid production : , 0.1 to 0.5 N/20 NaOH 

 required for neutralization ; +, 0.6 to 1.0 N/20 NaOH required for neutral- 

 ization ; ++, 1.1 to 2.5 N/20 NaOH required for neutralization ; + + +, 2.6 

 to 4.Q N/20 NaOH required for neutralization ; , no acid ; alk, weakly alkaline. 



Sugar broths were prepared as follows: 1% by weight of each of the carbo- 

 hydrates were added to meat infusion broth prepared according to standard 

 methods. The carbohydrates used were Merck's C. P. lactose, saccharose, 

 maltose, mannite and raffinose and Kahlbaum's dextrose and dextrin. Difco 

 peptone was used in preparation of broth. To the mediums (sterilized in 

 Arnold for 20 minutes on 3 successive days and immediately cooled) was 



