tessellated from soil flow, [154].

Pavlow, A. P., cited, [108].

Peale, A. C., cited, [195], [196].

Peary, R. E., cited, [17], [283], [289], [295], [296].

Peat, [465];

formation of, [429], [430].

Peat bogs, [429].

“Pelé’s Hair”, [107].

Pelé, spine of, [148].

Penck, A., cited, [294], [399], [414].