142 31 A BINE MAMMALS OF THE NORTH-WESTERN COAST. 
when the season begins, and very lean when the season is over, which changes 
the animal's appearance considerably from its former robust condition. When in 
full flesh, the adult females weigh about eighty -five pounds. 
Following are measurements of five female Fur Seals, taken at the mouth 
of the Strait of San Juan de Fuca, in the spring of 1869 : 
No. 1. No. 2. 
Length of animal from tip of nose to tip of tail 4 4 7 
Length of tail 1£ 2 
Length of posterior flippers 1 4 1 6 
Extreme width of posterior flippers when expanded 8 8 
From end of posterior flippers to nails or claws on same .... 6 
Length of nails or claws Of 
From tip of nose to ear 6J 6J 
Length of each ear \\ 1£ 
Length of under jaw 2 2J 
From tip of nose to eye 2^ 2f 
Length of fissure between the eyelids 1^ 
From tip of nose to pectorals 1 11 2 
Length of each pectoral 1 2 1 2 
"Width of each pectoral 5 5 
Circumference of body just behind pectorals 2 7 3 
No. *. 
Length of animal from tip of nose to tip of tail 4 9 
Length of tail 2 
Length of posterior flippers 1 5 
Breadth of posterior flippers when expanded 
From end of posterior flippers to nails 3 
Length of nails on posterior flippers Of 
From tip of nose to pectorals 
Length of pectorals 1 2 
"Width of pectorals 5 
From tip of nose to ear 
Length of each ear 
From tip of nose to eye 
Length of under jaw 
Circumference of body just behind pectorals 3 1 
The succeeding figures afford a general illustration of the forms, or proportions, 
of the animals, when in various attitudes. The zincograph (No. 1) of the full -aged 
male gives a good representation of the animal's anterior figure, as well as imparting, 
No 
3. 
4 


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1 
4 

7 

6 

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6 

n 

2 

n 
1 
10 
1 
2 

4* 
2 
5 
No 
. 5. 
3 
6 

li 
1 
3 

7 
l 
4 
l 
1 

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6 

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2 
2 
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