133 
Analyses characteristic of certain natural conditions in water—contd. 




















(13) SAMPLE I.—FROM THE RE- ; i 
SERVOIR AT— z BS | 
= = i 
(a) Total colonies on | 5 12 = ‘us 
agar at 37°—69 ibe fe ; a Bacillus. 
unfiltered. | e elslala|/ sia) a 
{b) Bile salt glucose, OT STS hore ees) Sa! 
medium— Sis ras =| 8 = iS & 
mtape- 20 ¢.c. of | 1 |’.. : a e | 
water taken. ira 
2 tubes 1oc.c.of |2|..J I |—|-|—|/-|+/-| IV |B. Cloace. 
water taken. | el ve) 
Atubes 5 ¢.c.0f j4)0.§ 2 |)—|=)5)4/— TV} Do. 
water taken. part 3 |+/-|-|-|+\/- ENS Do. 
5 babes 1 'C.c: Of lesa + | 
water taken. | 4/+|-—|—|-| |-| IV Do. 
R tubes =i C.c. Of 22 [enemy Ot ta 
water taken. | ca fu all Vee feces ule me a Do. 
S LUDES OL-C.c. OF |'25| 3 ele abut 
water taken. | | On al ee Ev Do. 
7 |\+\|-|-|-|+/-| IV Do. 
(¢)-Peecal bacilli in 1 c¢.c. and Weal at 
upwards 8 i+)-|-)-|4+ Poole Seton Do. 
(z2) Sporogenes milk _ test 9 |+\-|-;-|+/+| IV] Do. 
doubtful in 20 c.c. BO) a te IV | Do. 
EE >| sa i+j—| IV Do. 
12 |e || =| —|+|— rv Do 
ea ee 
{14) SAMPLE I.—FROM THE RIVER- helo ncaa ee! | 
pED— ne) De OS Ee ee 
(a) Fotal colonies on [ [ ato di. ay puri a 
geek 37°—Count-| 5 F | | # mba ape EMG es. Cloaca. 
fess (in, E cc.): imo) Laelasth at | ia 
(b) Bile salt lactose, | | 2 ia fe otc te IV | Do. 
medium— —— | | 2, 
fewer 20 C.C..Ol 1 Tey 3 i#i-|~|-i-|l—| IV |B. Coscoroba. 
water taken LDMait ree A a 
2 tubes toc.c.of | 2 | Abii ta aot I | B. Grunthal. 
water taken. | hae] 
4tubes 5c.c.of j4|..J 5 |+/+/+/+/-|—| III | No. 69. 
water taken (4) Letra . 
Bebubes i CiGNOt *|:5-|), 6 +/- —|—|—|—| IV |B. Coscoroba. 
water taken bl eaten lea 
Ses i eee.0b) Wee 7 tel eae i 8 i Oh BS Oxytocus Perni- 
water taken eo | ler] ~  closus. 
5 tubes‘o1c.c.of |1/4] 3% |—|—|-|-|-|- I | B. Grunthal. 
water taken 
: 9 —|—);—|-—!| -|—- J E Do. 
(c) Fecal bacilli in 1 c.c. and | 10 |4+/—|—|--/—|—| IV | B. Coscoroba. 
upwards > | 
(zd) Sporogenes milk test— 
in 20°C.c. | - | 








(13) Lake—Very low indeed ; no rain for 8 months. Organisms rather too 
numerous. : i 
(14) Typical bad mixtures in river water; note, prevalence of class 1 and 
mixtures of organisms. 
