CONTENTS. 



Pages. 



Editorial Notes 469-472 



XIV Additions and Corrections to the List of the Vas- 

 cular Flora of Allegheny County, Pa. P.y 



Otto E. Jennings . 473-479 



XV A New Species of Kneiffia. By Otto E. 



Jennings 480-481 



XVI A Note on the Occurrence of Triglochin palustris 

 Linnaeus in Pennsylvania. 15y Otto E. 



Jennings 482 



XVII A New Species of Ibidium (Gyrostachys). By 



Oi'To E. Jennings 483-486 



XVIII The Agate Spring Fossil Quarry. By O. A. 



Peterson 487-494 



XIX Description of Two New Birds from British East 



Africa. Harry C. Oherholser 495-497 



XX The Chazy Formation and its Fauna. By Percy 



E. Raymond 498-59S 



XXI A New American Cybele. By J. E. Narraway 



and Percy E. Raymond 599-604 



Index 605-623 



Plates XIX-XXV. 



h 



