PROCEEDINGS 



OF THE 



AMERICAN PHILOSOPHICAL SOCIETY 



Ij-HHf 



Mil) AT PHILADELPHIA FOE PROMOTING USEFUL RIWIEDGE. 



Vol. XXXVII. JuLr, 1898. No. 15T. 



CONTENTS. 



PAGE 



Stated Meeting^ January 7, 1898 3 



The Altitude of the Aurora above the Earth's Surface. By 



Cleveland A bbe 4 



Stated Meeting, January 21^ 1898 T 



Description of Four New Species of Bocinela, with a Synop- 

 sis of the Genus. By Harriet Richardson 8 



Specializations of the Lepidopterous Wing ; the Pieri-Nym- 



phalid8e(with plates). By A. Radcliffe Grote, A.M.. 17 

 An Old Broadside, with a Reference to the Throne of Con- 

 gress (with plate). By Julius F. Sachse 45 



Stated Meeting^ February ^, 1898 51 



Stated Meeting, February 18, 1898 52 



Stated Meeting, 3Iarch 4, 1898 53 



Stated Meeting, March 18, 1898 54 



Initiation Ceremonies of Australian Tribes (with plate). 



By R. H. Mathews, L.S 54 



Preliminary Note on the Selenodont Artiodactyls of the 



Uinta Formation. By W. B. Scott ^ 73 



Stated Meeting, April 1, 1898 81 



Notes on Kansan Drift in Pennsylvania. By Prop. Ed- 

 ward H. Williams, Jr 84 



A Note on the History of the Jefferson Manuscript Draught 

 of the Declaration of Independence in the Library of the 

 American Philosophical Society. By I. Minis Ha^s, M.D. 88 

 The Genesis of Bitumens as Related to Chemical Geology. 



By S. F. Peckham 108 



Herpetological Notes. By John Van Denburgh 139 



Stated Meeting, April 15, 1898 142 



A Journal Kept During the Siege of Fort William Henry, 



August, 1757. By I. Mknis Hays, M.D 143 



Divisions of Australian Tribes. By R. H. Mathews, L.S . . 151 



Stated Meeting, May 6, 1898 1 54 



Adjourned Meeting, May 13, 1898 155 



Stated Meeting, 3Iay 20, 1898 , 162 



The Production of an Asphalt Resembling Gilsonite by the 

 Distillation of a Mixture of Fish and Wood (with plate). 

 By William C. Day 171 



philadelphia : 



The American Philosophical Society, 



104 South Fifth Street, 



1898. 



