CONTENTS 



Editorial Notes 137 



IV. The Fauna of the Upper Devonian in Montana 



By Percy E. Raymond 141 

 V. Description of a New Species of Procamelus from the 

 Upper Miocene from Montana, with Notes upon 

 Procamelus madisonius Douglass. 



By Earl Douglass 159 

 VI. Some Sections in the Conemaugh Series Between 

 Pittsburgh and Latrobe, Pennsylvania. 



By Percy E. Raymond 166 

 VII. A Preliminary List of the Unionidae of Western 

 Pennsylvania, with New Localities for Species 

 from Eastern Pennsylvania. By Dr.A.E.Ortmann 178 



VIII. A Geological Reconnaissance in North Dakota, Mon- 

 tana, and Idaho, with Notes on Mesozoic and 

 Cenozoic Geology. By Earl Douglass . .211 



IX. A Botanical Survey of Presque Isle, Erie County.* 



Pennsylvania. By Otto E. Jennings . . 289 



X. Catalog of Relics and Objects, many of Them Pertain- 

 ing to the Early History of Pittsburgh, exhibited 

 at the Carnegie Museum upon the Occasion of the 

 Sesqui-Centennial Celebration of the Founding of 

 Pittsburgh, September 27-November 25, 1908. 



By Douglas Stewart 422 



