There has been an increasing awareness of the importance of ethological data and of their usefulness in systematics.
At present we continue our study of the possible aspects of systematics.
The systematics of this genus is currently under study by Ronald H. Pine.
And what would be the logical aspect of systematics in either case?
Thus the problem of systematics remains, no matter whether the theory of descent be right or wrong.
Consequently, the systematics of these amphibians is on a fairly substantial basis.
Intention movements of flight in certain passerines, and their use in systematics.
A few words should be devoted to the relations between history and systematics in biology.
And what would that assert about the character of systematics?
systematics is a mere catalogue, not at present only, but for ever, by the very nature of the organisms.