no.157

OF THE

AMERICAN PHILOSOPHICAL SOCIETY

HELD AT PHILADELPHIA

FOR

PROMOTING USEFUL KNOWLEDGE.

VOL. XXXVII.

JANUARY TO DECEMBER, 1898.

PHILADELPHIA:
THE AMERICAN PHILOSOPHICAL SOCIETY.

1898,

AMERICAN PHILOSOPHICAL

SOCIETY

'I 22 1898

HÉLD AT PHILADELPHITA FOR PROMOTİNG USEFUL KNOWLEDGE.

VOL. XXXVII.

JULY, 1898.

Wo. 157.

CONTENTS.

PAGE

3

54 -

Stated Meeting, January 7, 1898....

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

CLEVELAND A BBE..

4

Stated Meeting, January 21, 1898.

7

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

sis of the Genus. By HARRIET RICHARDSON.

8

Specializations of the Lepidopterous Wing; the Pieri-Nym-

phalidæ (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. Sacuse.

45

Stated Meeting, February 4, 1898.

51

Stated Meeting, February 18, 1898..

52

Stated Meeting, March 4, 1898..

53

Stated Meeting, March 18, 1898..

54

Initiation Ceremonies of Australian Tribes (with plate).

By R. H. MATHEWS, L.S

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 Prof. 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 Hays, M.D. 88

The Genesis of Bitumens as Related to Chemical Geology.

By S. F. PECKHAM.

108

Herpetological Notes. By JouN VAN DENBURGH

139

Stated Meeting, April 15, 1898..

142

A Journal Kept During the Siege of Fort William Henry,

August, 1757. By I. Minis HAYS, M.D...

143

Divisions of Australian Tribes. By R. II. MATHEWS, L.S.. 151

Stated Meeting, May 6, 1898.....

154

Adjourned Meeting, May 13, 1898

155

Stated Meeting, May 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

PHILADELPUTA:

THE AMERICAN PHILOSOPHICAL SOCIETY,

104 South Fifth Street,

1898.