( 21 
Dats when Observations 
were made. 
January. 1918 
January-February, 1920 
February, 1919 
March, 1916 
March, 1918 
April, 1914 
April, 1915 
May, 1917 
May, 1920 
June-July, 1919 
August, 1919 
Augiist-September. 1916 
September, 1913 
September, 1915 
September, 1917 
September, 1918 
October, 1914 
October, 1920 
December, 1915 
January, 1915 
January, 1917 
January. 1918 
January -February, 1920 
March, 1916 
March, 1918 
April, 1914 
April, 1915 
April, 1919 
May, 1917 
May, 1920 
June- July, 1919 
August, 1919 
August-September, 1916 
September, 1915 
September, 1917 
September, 1918 
October, 1914 
October, 1920 
December, 1915 
January, 1915 
January, 1917 
January, 1918 
January-February, 1920 
February, 1919 
Number ot ^ ^^ Weight. 
Oysters 
Gmas. 
measured. 
30 
86- 67 
38 
115-66 
'.'. 139 
102-28 
Fourth Year. 
139 
107-86 
36 
87-08 
15 
105- 50 
47 
109-63 
149 
106- 09 
13 
97-50 
130 
116-88 
[ 139 
131-31 
238 
126- 10 
89 
122-28 
' 279 
133-38 
84 
132-61 
66 
133-19 
83 
137-86 
79 
135-41 
237 
144-46 
". 129 
150- 33 
83 
149-18 
54 
148- 68 
275 
155- 60 
Fijth Year. 
154 
157-37 
117 
168- 14 
148 
162-23 
23 
153-58 
120 
144- 12 
275 
162- 80 
64 
162-27 
128 
160-71 
105 
175-89 
fi 173 
174-89 
38 
193-55 
95 
172-19 
41 
181-64 
60 
197-50 
45 
198-05 
6 
216-67 
60 
210-50 
197 
187-55 
225 
192-96 
>0 176 
217-16 
id \J 
■; 63 
199-64 
