Remains, there¬ fore, a very queer thing.

2‘/2+2*/2=5 1 6 lV,+3=4‘/* 4 18 3 12 240% D 1 71/, l1/. 9 9 3 41/, 60% D l 21/2+2l/a=5 1 6 I1/, 9 2 8 1+7 C 1 5 1 6 s. D. 7 0 s. D.

Is advanced; it ap¬ pears as an accompaniment of and external form.