Experimental induction of the breeding season in a xerophilous bird.

Still the flora outside the Hills and the submontane tract is predominantly of the desert type, being xerophilous or drought-resisting.

Xerophilous: applied to species living in dry places.

In this connexion it is noteworthy that so many of the higher forms are adapted as bulbous geophytes, or as aerophytes to special xerophilous conditions.