134 
The Philippine Journal of Science 
1915 
TABLE IX.—Same arrangement as Table VIII. Plates inoculated after six 
hours’ and eighteen hours’ incubation—Continued. 
EIGHTEEN HOURS’ INCUBATION. 














Enrichment. oe 
; Rene Con- | Lac- Dieu- | Remarks: 
Medium. ean centra-| tose |donné’s 
tion. | agar. | agar. | 
Per ct 
Pep tonets seen sees Nitro Ysa eee. | eee es | Red colonies exclusively; no cholera. 
Dow eee ei OE 29 | a 7a | eee More than a few cholera colonies, pure. 
IDO eae ODN eee = ih ah aes Same as +0. 5. 
Do eee Sal eee 3 a eee Numerous cholera colonies, pure. 
Dobe ene S2in eeeee Ape fd esaeees More than a few cholera colonies; few 
small white colonies. 
ea lenerer es No growth. 
cee Few small white and yellow colonies; 
no cholera. 
Age yas Seam Few cholera colonies; same number of 
small white colonies. 
2 Coe oe ee Same as 10 per cent. 
= \lweosese Few yellow colonies; no cholera. 
has Ste No growth. 
eee = Do. 
ae ia Numerous cholera colonies, pure. 
Bee eae + Very numerous cholera colonies, pure. 
LO ae rea + | Numerous cholera colonies, pure. 
pees et = No growth. | 
teed = Do. 
ee Lise ae More than a few cholera colonies, pure. 
<i Same as 10 per cent. 
= No growth. 


TABLE X.—Same arrangement as Table 
IX. Plates inoculated six hours 
and eighteen hours after incubation. 
SIX HOURS’ INCUBATION. 





Enrichment. Growth | . 
= Sara =, on plates. / 
Medium. _{Reaction,| Concen- | Lactose ca | 
Per cent. | 
peptone sa-e n-nonane Sti | eee eetae = No growth. 
Dove oo ee ces ee =FOSb? oo aceene ne = Numerous red colonies; no cholera. 
Doren te —0.5 | ee + Numerous cholera colonies; more than a 
few red ones. 
DO eens —1 Pe Sass ope oe + | Very numerous cholera colonies; more 
than a few red colonies. 
Dowrenceasceerecs idl Nae wee ea at Numerous cholera colonies; few red colo- 
nies. 
= No growth. 
= Do. 





More than a few cholera colonies, pure. 
Numerous cholera colonies; same num- 
ber of red ones. 
No growth. 
