365 
[Davis and Wood. 
General Meeting, Nov. 20, 1889. 
Vice-President, Prof. Geo. L. Goodale, in the chair. 
Mr. S. H. Scudder made a few remarks on the u Distribution 
of Insects in the Rocky Mountain Tertiaries, and the Discovery of 
New Localities for collecting Fossils of this Group.” 
Prof. W. M. Davis then read the following paper : 
THE GEOGRAPHIC DEVELOPMENT OF NORTHERN 
NEW JERSEY. 
BY WILLIAM MORRIS DAVIS AND J. WALTER WOOD, JR. 
CONTENTS. 
1. Preface. 
2. Introduction .' General scheme of geographic classification. 
3. Conception of systematic geography and geographic development. 
4. The geographic divisions of New Jersey. 
The Highlands. 
5. General account of the Highlands. 
6. Development of the Highlands. 
7. Origin of the old Highland peneplain. 
8. Difference between plains of subaerial and submarine origin. 
9. Value of contoured maps in geographic study. 
10. A restoration of the old Highland peneplain. 
11. Conclusions as to the origin of the Highland peneplain. 
12. The Schooley baselevel. 
13. Extent of the Schooley baselevel peneplain. 
14. The Watchung Mountains. 
15. Extension of the Schooley peneplain over the Triassic area. 
16. General conception of baselevels and baselevel plains. 
17. Correlation of geographic development and geologic time. 
18. Date of the Schooley baselevelling. 
19. Character of deposits overlying the Schooley peneplain. 
20. General drainage system of the Schooley cycle. 
The Central Plain and the Highland Valleys. 
21. Elevation of the Schooley peneplain and its consequences. 
22. The Central Triassic and Cretaceous plain on the Somerville 
baselevel. 
23. Date of the Somerville cycle. 
24. The Somerville cycle of drainage in the Highlands and in the 
Central area. 
