viii CONTENTS OF VOLUME XIX 



PAGE 



Editorial. T. C. C. . 660 



Reviews ........... 661 



Recent Publications ......... 669 



NUMBER VIII 



The Bearings of Radioactivity on Geology. T. C. Chamberlin 673 

 The Wing-Finger of Pterodactyls, with Restoration of 



Nyctosaurus. S. W. Williston . . . ... . 696 



The Terrestrial Deposits of Owens Valley, California. Arthur 



C. Trowbridge ......... 706 



On Corundum-Syenite (Uralose) from Montana. Austin F. 



Rogers . . . . . . . . . . 748 



A Drawing-Board with Revolving Disk for Stereographic 



Projection. Albert Johannsen . . . . ... 752 



Reviews 756 



Index to Vol. XIX . . ...... 759 



