30 THE ROYAL SOCIETY OF CANADA 
pie | £ ee ee ee 
River Water. = | Al © A) | 
ee. oS ie ss lee SUIS Bok] 
Month |No. per No. per |B. coli 2°) 2138] = | Ea! = | 
| e.c. at | c.c. at | per | oN| 6 [F3 = =e! 8 | 
| 37°C. | 20°C. | 5c.c. jeg.) à [eae] Weal 
| 450) 110 | 28 i ree 24 
May, 1910) 500 | 130 22 — *1| as SF 
| 600 | 80 ror, eee t+ | + Er 
800 | 500 a | + | + 
300 50 10 | — + + 
500 390 45 —— Sept Fe aie ar 
June, “ 500 | 100 2 | — a + 
400 10 5 Sasa CEA 5 ee ell thats call A cn ta chan 
ign) Oe, een ae Wee ee one 
É 20 2 NÉS imate 
July, 6 200 50 30 EE eee) ee mee S| EE UN EL OA 
75 12 19 = SF sea SAS ccalbe 
70 75 36 A a dee sete CAES PA 1 LR: 
60 15 35 Bua cl Waster ta hoerecnt Bo lesions 
Aug) 500 14 0 an || Se || Gr AE - 
65 50 37 =|. Se NE ai LR Be 
35 20 15, | 4e) + tn 
KOO MIDS NBS! a As ard A ee LS D 
| TON MON NEA sen EME Mss 
575 000 AO ARR © DA EE RCE RP RAR AN VAT: at 
40 80 80 AE ane Pl ee 
80 | 70 A (NE a APE SN AE 
60 55 DOME ee el ote Eh SON ERA 
Oct.» 4% EU 68 MACON Able a seins yee Lee 
100 | 60 GONE AR EU ASTM EAN OR ER 
150 30 7A EME PAIEMENT sane: 
200 40 SOL Pasi RE inte Us ues 
Nov... 400 | 50 28 le Al AE eats a 
550 25 13 ul QE es ec a a 
390 39 10 Een Le CU OMA OEM ERA 
800 35 rT Me EE Re aren ae PLUS Say ea à 
1800 25 30 Se ae ne ose Weise ANSE 
DEC nf 100 15 30 AUS PE LE ah eae oc 
1200 50 7 Se A Ele Uke of 
700 20 BB ae Se) a a) ed oe 
1300 35 10 Reals oles ASE 
Jan., 1911] 1700 12 DA ER ae + 
1600 20 20 = NME ME #3 
1400 100 3 = |L- ball AP dae 
100 30 28 — 56 Ze 
650 16 12 == ai FT 
Feb, >“ Liq. 10 3 eT dees des CRISE 
400 17 10 | — =e 
150 8 DA AN A Ke F 
500 30 À nda) Vea Wea ir, oA DRAP 
Marae 500 10 Bi Wiser fade 7 
1000 20 i Ah re shake ah EE Yea ally Gu 
400 15 Dsl screed siahersl à See da he sl At 
500 9 EAN POS REA APE, ARR PE Li PAS 
REMARKS. 
B. janthinus. 
River frozen 
over. 
St. Lawrence 
river water. 
St. Lawrence 
river water. 
St. Lawrence 
river water. 
St. Lawrence 
river water. 
St. Lawrence 
river water. 
St. Lawrence 
river water. 
St. Lawrence 
river water. 
St. Lawrence 
river water. 
St. Lawrence 
river water. 
