﻿268 



STRONG. 



Series 62 — Continued. 



Number. 



ii 



- o 

 c 



o 



o 



CD n 



•a 

 F- 



a 



O o 



Sg a 



o.S o 



to.-.— 

 O 



Vaccinated with — 



'3 



to <u 3 

 to S 



s!l 



•O 3-~ 

 C C K 



">g 



O^ =3 

 "2 CO K 



go>, 



8^ * 

 a.- -a 

 O 



'3 5 c 



CO +J*^ 

 - CO 



S^ = 



c o 



x|.S 



CD 1 * U< 



all 



p.- <-< 

 O 



e 

 '3 



CO 



u 

 o- 



* CD 



■§3 



C- 

 ■- > 



«! 



CJ+3 



G o 



coir 1 

 p.- 



o 



Human case 55 _ 



Human case 56 



Human case 58 _ 

 Human case 59 __ 

 Human case 60 — 

 Human case 61 __ 

 Human case 62 __ 

 Human case 64.. 

 Monkey 2666 



(vaccinated). 

 Monkey 2717 



(vaccinated). 

 Monkey 3061 



(normal). 

 Guinea pig 2634 



(vaccinated). 

 Guinea pig 2680 



(vaccinated). 

 Guinea pig 3062 



(normal). 

 Guinea pig 2636 



(vaccinated). 

 Guinea pig 2648 



(vaccinated). 

 Guinea pig 2639 



(vaccinated). 

 Guinea pig 3053 



(normal). 

 Guinea pig 2231 



(normal). 

 Guinea pig 1975 



(vaccinated). 

 Guinea pig 1976 



(vaccinated). 



0.4 

 .48 

 .89 

 .64 

 .4 

 .52 



1.2 



4.6 

 .34 



.64 

 1. 



.42 



.6 



.5 



.48 



.6 



.43 



.51 

 1.8 

 1.4 

 2 



One 24-hour agar culture "Pest A virulent" __ 

 do. _ 



2 

 .7 

 .8 



1.7 



1.4 

 .9 



5.8 

 . 7 



2 



.8 



1.8 



1.7 

 . 7 

 .4 



2.4 

 .9 

 .4 



2 



4.3 



3.1 











. ..do . _ 







do .... 







do . . 







do . 







do ... _ . _ . 







__ do 







1 culture killed "Pest Virulent." 



munity tested later. 

 One 24-hour culture "Pest Avirulent." 



munity later tested. 



Im- 

 Im- 















One 24-hour culture "Pest Avirulent." 



munity tested later. 

 1 culture of killed "Pest Virulent." 



munity tested later. 



Im- 

 Im- 















One 24-hour culture "Pest Avirulent." 



munity tested later. 

 One 24-hour culture of "Maassen Alt." 



munity tested later. 

 One 24-hour culture "Pest Avirulent." 



munity not tested. 



Im- 

 Im- 

 Im- 



1 



3.2 



1.2 



.46 



5.4 

 1.8 

 1 

 .62 





Two 24-hour cultures "Pest Avirulent." 



Immunity tested later. 

 do _ . 

















Series 63. — Experiments relating to the mechanism of the action of plague 



immune serum. 



Guinea pigs numbered 2152 and 2153 which had been immunized by plague 

 vaccination and numbers 2757 and 2758, which were not immunized, all received 

 intraperitoneally 1 full oese of the strain "Pest Virulent" suspended in 1 cubic 

 centimeter of saline solution. Guinea pigs numbered 2152, 2153, and 2757 each 

 also received intraperitoneally, at the same time, 1 cubic centimeter of pest 

 immune serum, and guinea pig number 2758, 1 cubic centimeter of saline solution. 

 Drops of exudate were taken from the abdominal cavity at intervals of from 

 twenty minutes to one and one-half hours' after inoculation. Some of these 



