Proceedings of the Ohio Academy of Science 
Notes on the Protista:—(a) A New Species of Eutreptia; (b) A New 
@lassificationjon GhesPropista. slOmmim=st: |e en ee L. B. WALTON 
The Remains of the Porcupine found in an Ohio Prehistoric Village 
SUR ke) S02 Ta aN PNP TIE SS ny Be SONS ROS ile oe Bt eae ¥ Wy. C. MILLs 
Indians of Licking County and Earthworks. 10 min.......... H. A. ALBYN 
Suggestions for the Making of a Key to the Seeds and Seed-like Fruits 
Gi Olio iene UOinwiies Pe oeecs cocseo nodes sos enne JOHN H. SCHAFFNER 
Ravaebracherdsrol Conifers’ sxdatiiiian eer ee ee te ea FREDA DETMERS 
The Nature of Sexual Hereditary Expression in the Sporophyte. 10 min. 
JOHN H. SCHAFFNER 
The Correlation of the Niagara Formations of Ohio, Indiana and Ken- 
buckeye yO bmiaeee SEYs e a ei SR CR e ns eee eee AuG. F. FOERSTE 
Pottsville and Allegheny Limestones in Muskingum County, Ohio. 
iS ieas LOUDON cre cer ca rhea et iceNe Cue Ser AeA Oe & bia ior teas woken aisle WILBER STOUT 
Further Data on the Maxville Limestone. 5 min.............. G. F. LAMB 
Bearing of the Glacial Period on Theories of Evolution. 10 min. 
G. FREDERICK WRIGHT 
some Glacial) Features: in Central @hio, 5 mins .f) es.) G. F. Lams 
Some Segments of the Maumee Shoreline near Columbus Grove, Ohio. 
1Oimim.. > (vamterm))r: Ss ete See ee et ore yee cna de FRANK CARNEY 
A Physiographic Map of North America. 15 min........... W. N. THAYER 
The Nature of Beatricea undulata.» | mim. ..2.5..5 eae W. H. SHIDELER 
Symposium on Modern Physics:— 
A. Hall Effects in Metals and Alloys, 
PROFESSOR A. W. SMITH, Ohio State University 
B. Magnetostriction and its Bearing on Magnetic Theories, 
PROFESSOR SAMUEL R. WILLIAMS, Oberlin College 
C. A Review of Recent Work in X-Rays, 
PROFESSOR S. J. M. ALLEN, University of Cincinnati 
Spermatogenesis of Branchipus vernalis. 7 min............ Roto C. BAKER 
Origin of Pre-Auditory Ganglia in Rana. 7 min........ RaLtpH A. KNOUFF 
The Origin of Cartilage from Ectoderm in the Urodeles. 10 min. 
F. L. LANDACRE 
AmphibianyvBlood.Pranstusion, “AQimm. 928.) ue. ooo a, R. A. BUDINGTON 
Observation on the Cytology of the Exudation seen in Lacunar Tonsilitis. 
IU ie cen Ae MoE eRe Ng Ene lil PEAR ae ate ee a ean TA Re HazeL C. CAMERON 
A Contribution to the Origin of the Macrophages seen in the Exudation in 
Pneumonia accompanying Typhoid Fever. 10 min...CARL CLARON HUGGER 
The Occurrence of Eosinophilic Leucocytes and the Granule Cells of 
Paneth in the Vermiform Appendix of Man. 5 min...... JAMEs H. WARREN 
A Study of the Incidence of Pathological Conditions of the Thyroid 
Gland among Dogs in the City of Columbus. 10 min. (Lantern), 
C. I. REED 
Nephroblastic Tumors in Rabbits. 10 min. (Lantern)..... ERNEST SCOTT 
Notes on the Formation of Giant Cells in Tumors. 5 min. 
JONATHAN FORMAN 
Mudballs and Mudflows in the Ordovician Rocks in the Vicinity of 
Cinemmati, TO nama (anitern)..-.c S08. +. es hee WALTER H. BUCHER 
