9 



However, so fai' as DiuTck's case Xo. 11 is eoiu-cnicd. there is 

 some suspicion tliat what this author describes as a hactcria! injec- 

 tion of the vessels may indeed be a hyaline throndjosis. Sucli 

 thrombi, in sections stained intensely witli alkaline methylene blue, 

 retain tlic bhic and might, if densely fibrous in structure, he mis- 

 taken for crowded masses of bact(>ria. 



ANALYSIS OF OUR 31 CASES. 



An analysis of the ol cases of plague examined l)y us shows that 

 the total number comprises — 



Group I. Primary uncomplicated l)ul)()iiic plague. llJ 



I[. Primary hulionic |ilajiiif' with secondary |)lap:uc sc|)ti(()- 



])yfmia 7 



III. Primary bubonic ])lague with secondary plague pncmnonia.. 1 



IV. Priniiuy vnu-om|)licated jilague pneumonia .3 



\'. Primary juu-umonia with secondary septico-pyemia 1 



\'I. IMimaiy ]ilagiie se|)tica'mia 2 



Total -.U 



Twenty-five of these were of the bubonic, four of the pneumonic, 

 and two of the primary septic type. Of the bubonic cases there 

 were — 



Inguinal buboes 10 



Axillary buboes 1 



Cervical buboes .') 



Of the total nund)('r of -M cases there occurred in — 



Native Filipinos I!> 



Chinese 1 1 



Caucasians ( nati\e-boin .\merican I 1 



Males 24 



Females 7 



According t<i ai;c the di>t rihut ion is as follows: 



From 1 to 10 years 3 



From 11 to 20 years 



i-Kim 21 to :{() y<'ars 1 1 



I'lom '.'>] to 40 years •'» 



I'lom 41 to .■)() years I 



Fiom 'i\ to (>0 years 1 



From (il tf) 70 years 1 



TotMl „ 31 



