atlakutlek = 8 x 20.
180.

ts'owakutlek = 9 x 20.
200.

haiuk = 10 x 20.
This scale is quinary-vigesimal, with no apparent decimal element in its composition.

But the derivation of some of the terms used is detected with difficulty.

In the following scale the vigesimal structure is still more obscure.
TSIMSHIAN.[361] 10.