
—— , - = aie ; ae ee tes . 2 
a ax mu a a _ x - My : fe 2 ane 5 = 
Figure 5.--In 1956 this outdoor cage was built around a bathing trough 
and sea water was pumped into it for several hours daily. Fur con- 
dition deteriorated in about 3 weeks and with frequent infections of 
extremities few animals survived more than a month. (KWK 56-17-36) 

a 
ig a — °. ~ 4 hit : ~ 
ane eT on iin ah ed . = a. — 
La 
Figure 6.--In 1957 this enclosure, including a pool, a continuous supply 
of fresh running water, and clean dry areas, was built. No difficulty 
is encountered in holding otters indefinitely under the conditions 
offered. (KWK 57-27-12) 
28 
