126 TYPICAL QUEENSLAND LAGOON 
APPENDIX LV. 
TEMPERATURE OF WATER IN THE LAGOON. 
DEGREES FAHRENHEIT. 
Average Daily 1903-1904. 1904-1905. 
Temperature per Month. Surface. Bottom. Surface. Bottom. 
June a se 58.2 56.5 58.7 58.1 
July < - a 57.8 56.8 56.4 54.2 
August .. es S 59.9 57.1 59.3 55.2 
September - at 65.0 59.9 64.4 56.2 
October .. ay bi 69.9 58.0 71.0 57.3 
November ae nc fBjel 58.9 77.0 58.6 
December ce Ae 79.0 59.9 78.0 59.0 
January .. as is 78.7 60.6 78.7 59.6 
February.. oe re 17.2 61.0 78.8 59.2 
March .. us a 75.9 61.4 717.2 60.5 
April i) 2: eB et 69.8 62.0 72.6 61.0 
May a Be ad 65.6 61.8 65.9 58.2 
Maximum temperature 
for above period .. 83.0 63.5 86 62 
Date: ssc ae Me 21/1/04 May’04 3/1/05 April, 04, 
Minimum temperature 
for above period .. 53.0 55.0 54.0 54.0 
Date .. - -- 16/7/03 June,’03 4/7/05 ~— July, ’04, 
APPENDIX V. 
TABLE SHOWING THE BACTERIAL CONTENTS OF THE SURFACE 
LAGOON WATER ON DIFFERENT DATES DURING 
1904-1905. 
Date of Analysis. Bacteria per C.C. 
28th November, 1904 3% ee Lt oe 130 
5th December, 1904 bee a Be e 150 
12th December, 1904 de ae Ne oe 170 
19th December, 1904 = ing ar ad 130 
2nd February, 1905 és rE a iA 1100 
8th February, 1905 se a os BA 375 
16th February, 1905 Hs é3 - t 350 
2lst February, 1905 ) contained scum from 270,000 
3rd March, 1905 J surface { 8775 
8th March, 1905... sf e. ae? oe 600 
30th May, 1905... oe A es Be 275 
15th June, 1905... a. Sc “ 5% 110 
23rd: June, 1905 .. po ie ae He 550 
27th June, 1905... a5 de ae Sr 100 
12th July, 1905... 170 
Estimations made in Petri Dishes at Laboratory Temperature. 
Medium used 1.5 % Neutral Agar, with Beef Extract. 
N.B.—Optimum reaction with this water = Neutral 
