130 
Analyses characteristic of certain natural conditions in water—contd, 



























Cee 
ime et ee | 
fl a eels a 
o Us | 
re sOcikie. 
(7) SAMPLE II.—DoDABETTA =e [o| lo} | : 
LowER RESERVOIR— sje) | | 18! eH | aiiciors: 
> [Silslelaigie| | 
| s leis eS 25 Ss | 
(a) Total colonies on ree Baar AIS Le | So) 2 | 
agar at 37°—5,040.] | SHS, oh lae CS ib ga) 
(b) Bile salt lactose, [|— ot ae 
medium— r{..). 2 /+/-|+/-|+| | IV] B. Lactis erogenes 
1 tube 20 c.c. of | ke ike) or capsulatus. 
water taken. 21 <= | fea op oil eae Do. 
2 tubes 10 c.c. of Pe Rat es ; 
water taken. ree ee +) ?)=|bi> |. TE | No. G7, 
4 tubes 5 c.c. of 
water taken.” 5 )..9 -4:/%| “(+> ies EEE |) Bo. 
5 tubes I c.c. of iis eae , 
water taken. |: : 5 |*|~|+]/-|+/-| IV | B. Lactis zrogenes 
3 tubes ‘1 c.c. of i | or capsulatus. 
water taken. | 6 |+ i ak ica a be WL Do. 
5 tubes ‘ol c.c. of | | i 4 
water taken. ZV 4—|=|ei-|] 18 B. Neapolitanus. 
| 8 |4+/-|-|-|+}l-] Iv | B. Cloacee. 
(c) Fecal bacilli in 1 ¢.c. and | : 
upwards. Bi % eae i Ti>1 7 TV 
d)Sporogenes milk test— ae b 
a eee SE as 5 aed a elie I\ 
(8) SAMPLE I.—CHANNEL AT WEST] x | + i (es IV | B. Cloace. 
END OF RED Hit1rs LAkKE— Ae 
2 |+)/—|—-|-| +} +! IV | Do. 
(a) Total colonies on | | 3 |+/-/—|—|+/4+ Iv | Do. 
gar at ax 78. (tl) a [lela] Ty uae es 
(6) Bile salt glucose, i] hd 
medium— I—|—F¥_ og |+/—|—|-!+|—] IV | Do. 
i tube’ 20 €.c. of | 1| ry (ee ee Se Do. 
water taken. fa ah De a } 
2 tubes icc.c.of |2|..f 7 |+/—|-|--|4/+|/ IV] Do. . 
watertaken. = toa ae 
stabs See Gt NaN oe al Pete ee awd Do. 
water taken. | | eo] ie ae | | ] 
5 tubes 1c.c.of [5]... 9 |+/—|—/-|+|/+] IV Do. 
water taken. ; 4 ren 
5 tubes “zc.c.of | 3/2] 10 |4)~|—|—|+/+| Iv] Do 
water taken. | | | 
5 Hines MECC GE fi.) 5a 15 12} eave ie IV Do : 
water taken. | | 
I2 }+/—|-—|-|+/+] IV Do. 
(c) Fecal bacilli in -1 c.c. 13 |+/-|—|-|+/-| Iv] Do. 
(d) Sporogenes milk test | | 
doubtfulin 20 c.c. 14 |+/—|—|-/4+/-| Iv] Do 
15 fal ed oe IV Do 




(7) Fair lake water; note, mixture mostly cloace and lactis e«rogenes, in 
classes II and III. 
(8) A lake very low, otherwise not very objectionable, lactose fermenters too 
many numerically. 
