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CONTENTS OP VOLUME V. 



No. 1.— The Dakota-Permian Contact in Northern Kansas. . . F. C. Greene. 

 2.— Further Notes on the Pueblo Ruins of Scott County, H. T. Martin. 

 3. — ^The Influence of Magnesium Sulphate on the Motor Cells of 



the Cerebral Cortex — H. F. Hyndman and W. E. Mitchner. 

 4.— A Study of the "Respiratory and Cardiac Activities of the 

 Skate following Intravenous Injection of Salt Solution. . . 



Ida Hyde. 

 5.— Nutrition of the Embryo Sac and Embryo in Certain Labiatae, 



F. H. Billings. 

 6.— Mitosis in the Root Tips of Podophyllum peltatum, Aute Richards. 



7. — Koeberlinia spinosa Zucc. : An Ecological Study of the 



Anatomy of the Stem and some other parts. . Miriam Sheldon. 



8. —A Case of Absolute Tone Memory Archibald Hogg. 



9.— The Hackberry Psylla, Pachypsylla celtidis-mammae Riley: 



A Study in Comparative Insect Morphology H. B. Stowe. 



10.— Investigations Regarding the Phloem and Food Conduction 



in Plants Frank U. G. Agrelius. 



11.— Histology of Townsendia exscapa and Lesquerella spathulata, 



Lillian Bunton. 



12. —Cell Changes in the Alveoli of a Carcinoma of the Mamma, 



Earl F. Clark. 



13. —The Temnospondylous Amphibia and a New Species of Eryops 



from the Permian of Oklahoma Roy L. Moodie. 



14 —An Armored Dinosaur from the Cretaceous of Wyoming 



Roy L. Moodie. 



15.— A Contribution to the Soft Anatomy of Cretaceous Fishes, 

 and a New Promitive Herring-like fish from the Texas 

 Cretaceous Roy L. Moodie. 



16. —A New Species of Holotrich Nadine Nowlin. 



17.— Orthoptera from the Santa Rita Mountains, Arizona, collected 



by the University of Kansas Expedition Jas. A. G. Rehn. 



18.— Observations on the Gryllidae: III. Notes of the Classifica- 

 tion and Some Habits of Certain Crickets, W. J. Baumgartner. 



19. —Observations on the Gryllidae: IV. Copulation, W. J. Baumgartner. 



20.— An Examination of the Chromosomes of Anasa tristis 



C. E. McClung and Edith Pinney. 



21. —Foundations of Arithmetic Arthur Bolles Frisell. 



