It does not seem to lie in peculiarities of temperature or of precipitation; for trees thrive where they are properly planted on the prairies; every town and farm to-day has its avenues and groves of trees; but it should be noted that west of the Mississippi river increasing aridity becomes an important factor, and is the chief cause of the treelessness of the Great Plains (see below).   anvd [Please select]

The aridity of the hills of Sérignan is unfavourable to them.   anvd [Please select]

] Interglacial ages were characterized by warmth and aridity as compared to the glacial ages.   anvd [Please select]

The Indians were not the only primitive people who were driven from central Asia by aridity.   anvd [Please select]

Subsequent aridity restricted its range on the Pacific lowlands to the Golfo Dulce region.   anvd [Please select]

And as he didn't, neither did I, and the aridity of that house.'   anvd [Please select]

The increased aridity on the Pacific lowlands eliminated the _microcephala_-stock from southern Honduras and northwestern Nicaragua and in so doing left an isolated population on the lowlands of Chiapasand Guatemala, which differentiated into _robertmertensi_.   anvd [Please select]

For a few moments the Queen spoke in turn to each one of her guests; and during these short uneasy colloquies the aridity of royalty was apt to become painfully evident.   anvd [Please select]