He inserts in the primary circuit of the alternating FIG.
The coast-line consists of a succession of great promontories alternating with deep inlets.
31 have felsitic bands alternating with others which are purely glassy.
Usually it occurs in compact beds of alternating bright and dark bands in which impressions of leaves, woody fibre and other vegetable remains are commonly found.
Continue alternating sides as you twist your body from right to left.