OKLAHOMA ACADEMY OF SCIENCE 21 



hoard of health lahnrcitory L. A. Turlcy 



Relation of ionization of the toxicity of disinfectants Oscar Harder 



Present state of Canadian kive'r D. W. Ohern 



A rapid method of the estimation of salts in butter G. Y. Williams 



A new rapid modification of the iron-haematoxylin-orange G 



method for nerve sections A. M. Alden 



Observations on the sputum of turberculous patients--A. M. Alden 



Application of astronomy to historical research Henry Meier 



Physical characteristics of the negro A. C. Hirschfield 



PROGRAM OF THE SECOND ANNUAL MEETING 



Edm.ond, Oklahoma 

 December 1-2, 1911. 



TITLES OF PAPERS : 



Permeability of seed coats Wright A. Gardier 



A study of conductivity in formic acid solutions R. P. Calvert 



The electron theory of valence R. P. Calvert 



A rapid method of staining blood by a modification of Van 



Gcasans stain C. D. Blachly 



Technique in demonstrating unstained micro-organism.s by the 



India ink method C. D. Blachly 



Exper.imcntal study of the grov/th and migration of the un- 



ionidae F. B. Isely 



Uses to be made of the orthoptera in "Beginning courses in 



Zoology" 1 F. B. Isely 



Unionidae of the Oklahoma portion of the Arkansas River 



drainage system F. B. Isely 



Geographic forms of certain Asiatic deserts' W. J. Yeatnn 



A classification of land forms W. J. Yeaton 



Pure line cultures of Gastrostyla Steinii H. LI. Lane 



Physiography of northeastern Oklahoma D. W. Ohern 



Results of glaciation in Indiana C. W. Shannon 



Supposed glacial boulders in the Carboniferous rocks of eastern 



Oklahoma C. N. Gould 



A contribution to the stratigraphy of the pre-Pennsylvanian 



of northeastern Oklahoma L. C. Snider 



Ancient beachmarks in the Arbiickle mountains Chas. H. Taylor 



A titration method for the determination of vanillin in van- 

 illa extracts H. I. Jones 



Some organic catylases H. I. Jones 



