Notes on the Self-pruning of Trees 29
_John H. Schaffner and Fred. J. Tyler_
Plant Names Commemorative of Ohio Botanists 33
_Clara Armstrong_
The Maximum Height of Plants II. 39
_John H. Schaffner_
Campus Birds 40
_Robert F. Griggs_
Minor Plant Notes No. 1 46
_W. A. Kellerman_