ZOLOGY JOURNAL CLUB Rebstock 313 4:00 p.m. November 17, 1942 NARCOTIC, TEMPERATURE, AND PRESSURE EFFECTS ON CELLULAR REACTIONS (LUMINESCENCE), AND THE RELATION BETWEEN LUMINESCENCE AND RESPIRATION. G. Wellford Taylor The A. A. A. S. prize-winning paper by Johnson, Brown and Marsland purporting to show that temperature, narcotics, and pressure exert their effects on cellular reactions by affecting the state of the enzymes involved will be dis- cussed. Since this work was done on the bacterial luminescent reaction, this reaction and its relation to cellular respiration will be briefly described.