650 



S. J. Wallace : On the „Geodes" of the Keokuk Formation, and the genus 

 Biopalla: 366. 



S. T. Barrett: The Coralline, or Niagara Limestone of the Appalachian 

 System as represented at Nearpass's Cliff, New Jersey: 370. 



J. A. Allen : Description of a fossil Passerine Bird from the Insectbearing 

 Shales of Colorado: 381. 



0. J. Brush and E. S. Dana : Eosphorite, Triploidite and Dickinsonite : 398. 



0. C. Marsh: Notice of New Fossil Reptiles: 409. 



