Sentence Examples with the word Intercrossing

Some of these are very beautiful, and render it probable that by intercrossing with the older species still further difficulties will be presented in the way of identification.

The river breaks up into an intricate network of channels, dividing and subdividing, and intercrossing not only with each other but with the branches of other streams, so that it is exceedingly difficult to say where the Niger delta ends and another river system begins.