ephemeral existence of, [426];

extinction by peat growth, [429-430];

extinction of, in desert regions, [430];

fresh water, [401];

glacier lobe, [411];

glint, [408], [409];

ground water, [424];

ice dam, [410], [411];

intramorainal, about continental glaciers, [279], [280];

karst, [422];