IV 



Table ok Contents. 



XIII. The Hyoitl Bone in Mastodon Americanus. By W. J 



Holland 



XIV. Additions and Corrections to the List of the Vascular 



Flora of Allegheny, Pa. By Otto E. Jennings 



.W. A New Species of Kneiffia. By Otto E. Jennings . 



X\'I. A Note on the Occurrence of Triglochin Palustris Lin 



nitnis in Pennsylvania. By Otto E. Jennings . 



XVII. A New Species of Ibidiuni (Gyrostachys). By Otto E 



Jennings ....... 



XVIII. The Agate Spring Fossil (J^arry. By O. A. Peterson 

 Xl.\. Description of Two New Birds from British East Africa 

 By Harry C. Oberholser. .... 



XX. The Chazy Formation and its Fauna. By Percy E. Ray 

 mond ........ 



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

 E. Raymond ....... 



Index ......... 



464-467 



473- 

 480- 



40j- 

 487- 



495- 

 498. 



599- 

 605 



-479 

 -481 



482 



-486 

 -494 



-497 

 -598 



604 

 -623 



