20 E. L. RICE Vol. XXII, No. 1 



58. A preliminary report on retroactive inhibition (with particular reference 



to two conditions). (20 min.) E. B. Skaggs 



59. The measurement of psychological effects of fatigue and low oxygen. 



(20 min. (Lantern) C. F. Dockeray 



60. Discussion of the legal status of psychology in Ohio State. 



Discussion led by H. Austin Aikins 



DEMONSTRATIONS. 



(a) Chromosomal complexes of Anisolabis S. I. Kornhauser 



(b) Geographic distribution maps for the Opalinidae and their hosts, 



Maynard M. Metcalf 



(c) New models of development of the heart in the chick Bradley M. Patten 



(d) Chart and data relating to an interesting case of stature inheritance, 



A. B. Plowman 



(e) Multiple ova in Graafian follicles of cat Edward L. Rice 



(f) Sulphur dioxide injury to vegetation A. E. Waller 



(g) Illustrations of euglenoids L. B. Walton 



