BULLETIN Ot- TMt GEOLOGICAL SOCIETY OF AMERICA 

 Vol. 29, pp. 119-166 March 31, 1918 



PROCEEDINGS OF THE PALEONTOLOGICAL SOCIETY 



PROCEEPINGS OF THE NINTH ANNUAL MEETING OF THE 

 PALEONTOLOGICAL SOCIETY, HELD AT PITTSBURGH, 

 PENNSYLVANIA, DECEMBER 31, 1917, AND JANUARY 1 



AND 2, 1918. 



R. S. Bassler, Secretary , 



CONTENTS 



Page 



Session of Monday, December 31 122 



Report of the Council 123 



Secretary's report 123 



Treasurer's report 124 



Appointment of Auditing Committee 125 



Election of officers and members 125 



Election of new members 126 



Presentation of papers on paleontology and stratigraphy 127 



Paleozoic deposits and fossils on the Piedmont of Maryland and 



Virginia [abstract] ; by R. S. Bassler 127 



Significance of the Sherburne bar in the Upper Devonic stratig- 

 raphy [abstract] ; by Amadeus W. Grabau 127 



Algal limestone on the Belcher Islands, Hudson Bay [abstract] ; 



by E. S. Moore 128 



Symposium on problems in history of faunal and floral relationships 

 in the Antillean-Isthmian region and their bearing on biologic rela- 

 tionships of North and South America 129 



Relations between the Paleozoic floras of North and South Amer- 

 ica ; by David White 129 



Relations between the Mesozoic floras of North and South Amer- 

 ica ; by F. H. Knowlton 129 



Paleogeographic significance of the Cenozoic floras of equatorial 



America and the adjacent regions; by E. W. Berry 129 



Bearing of the distribution of the existing flora of Central Amer- 

 ica and the Antilles on former land connections: by William 



Trelease , . ; 129 



l*aleozoic history of Central America and the West Indies ; by 



R. S. Bassler 129 



Presidential address by J. C. Merriam : An outline of progress in 



paleontologic research on the Pacific coast ^ 129 



Smoker to the Society 130 



X— Bull. Geol. Soc. Am.. Vol. 20, 1017 (119) 



