FUR-SEAL FISHERIES OF ALASKA, 1909. 
35 
This represents, as has been stated, an average harem based on the 
entire count of pups made. The average harems on the individual 
rookeries vary greatly. The average harem on Zapadni Reef is 29, 
while that on Lagoon is 59.5. Tolstoi Cliffs, on which 1,452 pups 
were found, had an average harem of 58. For convenience, the aver- 
age harem on each rookery on which pups were counted is given below : 
Average Harems on Rookeries on St. Paul Island. 
Rookery. 
Live and 
dead 
pups. 
Harems. 
Average 
harem. 
Ketovi and Amphitheater 
1,979 
715 
58 
34. 1 
Lagoon 
12 
59.5 
Tolstoi Cliffs 
1,452 
319 
25 
58.0 
7.a.r> n.dni Rppf 
11 
29.0 
Total 
4,465 
106 
42.1 
On St. Paul in 1908 the pups on Ketovi and Amphitheater only 
were counted. For this reason, comparison between the counts in 
1908 and 1909 can be made only for these rookeries. Such compari- 
son shows : 
Comparison of Counts of Pups, St. Paul, 1908 and 1909. 
Year. 
Rookery. 
Live 
pups. 
Dead 
pups. 
Total. 
1908 
Ketovi and Amphitheater 
1,877 
1,915 
83 
1,960 
1,979 
1909 
do 
64 
Increase 
19 
The difference between the number of pups embraced in these two 
counts is 19, representing an increase in 1909. This indicates that 
practically no change has occurred in the numbers of cows on this 
rookery between the years 1908 and 1909. 
St. George Island . — A count of pups was made in 1909 on North 
rookery on St. George as has been done for several years. 
Counts of Pups on St. George Island, 1908 and 1909. 
Year. 
Rookery. 
Live 
pups. 
Dead 
pups. 
Total. 
1909.... 
1908 
North 
3,679 
3,969 
105 
154 
3,784 
4,123 
do 
Decrease 
339 
The count for 1909 shows that a decrease has occurred in the number 
of pups on that rookery since 1908 amounting to 339, or 8 per cent. 
