30 PRIMITIVE ART 
animals are not found as often as the two here named; but ina 
number of patterns exhibited in the turning-frame on the north 
wall of the hall, combinations of a variety of animals may be 
found. In one of these, illustrated below, are represented four 
musk-deer (a), two frogs (c) and a number of fish (0). 
While many of these forms are fairly realistic, in other cases 
the animal form is so highly conventionalized that it can be recog- 
nized only because it is known to the natives as a symbol of the 
particular animal. Thus the spirals in a birch-bark basket 
(Case 16 e) are explained as two cocks which stand back to back; 
the point marked a, in the illustration beyond, being the beak of 
