The furrows between his eyes deepened as his brows drew down further.
Numerous old river valleys and furrows entrenched in.
The furrows between his brows deepened.
Rapidly leaping the furrows, he fled across the field with the impetuosity he used to show at catchplay, now and then turning his good-natured, pale, young face to look back.
The dark portions represent supporting and conducting tissue; the upper face bears furrows, at the bottom of each of which are seen the motor cells m.
