18 The Ohio Journal of Science [Vol. XXI, No. 1, 



45. Observations on Eruptive Phenomena in the Valley of Ten Thousand 



Smokes. 15 min. (Lantern) Robert F. Griggs 



46. Diastrophism Still Continuing in the Great Lakes Region. 15 min 



E. L. MOSELEY 



47. Clarion and Vanport Members in Ohio. 30 min Wilder Stout 



48. A Pre-somite Human Embryo. 10 min. (Opaque projection) . . .C. L. Turner 



49. Relation of Catalase to Activity. 5 min R. J. Seymour 



,50. Some Features of Industrial Fatigue. 15 min E. R. Hayhurst 



51. Epidemic Encephalitis. 15 min. (Lantern) Ernest Scott 



52. Measurement of Blood Pressure by Resistance of Carbon Discs. F. P. Durrant 



53. Educative Characteristics of First Grade Children. 15 min. . .Mary E. Miller 



54. A Study of the Lowest Five Percent of College Students as Determined 



by the Army Alpha Examinations. 10 min Helen Marshall 



55. A Study of the Highest Five Percent of College Students as Determined 



by the Army Alpha Examinations. 10 min Earl R. Gabler 



56. Experimentation in the Psychology of Music. 15 min. . .Esther L. Gatewood 



57. Mental and Educational Tests of the Deaf. 10 min Jeannette Reamer 



58. Syphilis and Delinquency. 15 min Florence Mateer 



Demonstrations. 



(a) Black Tumor of the Catfish R. C. Osburn 



(b) Some Interesting Tropical Hemiptera Herbert Osborn 



(c) Caddis Cases Covered with Sponges F. H. Krecker 



(d) Wax Models of 8 mm. and 12 mm. Chondrocrania of Syngnathus 



J. E. Kindred 



(e) Models of Pre-somite (Mateer) Human Embryo C. L. Turner 



(f) Specimens from the Valley of Ten Thousand Smokes Robert F. Griggs 



(g) Wireless Telephone , R. A. Brown 



