ILLUSTRATIONS IX 



Page 

 Branner : 



Figure 19 — Typical section from the Archean in the interior to the 



ocean on the coast of Rio Grande do Norte 304 



" 20 — Section across the State of Sergipe from Simao Dias to 



the ocean 322 



Savage and van Tuyl : 



Figure 1 — Generalized map of North America during deposition of 



Shammattawa and Stony Mountain limestone 354 



" 2 — Generalized map of North America during period of 

 deposition of the Port Nelson and Severn River lime- 

 stone 369 



" 3 — Generalized map of North America during period of 

 deposition of Ekwan River and Attawapiskat lime- 

 stones 371 



" 4 — Generalized map of North America during period of 



deposition of Abitibi River limestone 376 



BUBWASH : 



Figure 1 — Map of northern France 390 



" 2 — Diagrammatic section of Chalk Valley and subterranean 



Stream 395 



Bate MAN : 



Figure 1 — Light plane-table with camera tripod 407 



" 2 — Steel alidade v^^ith fixed arms and saw-cut slots 408 



" 3 — "Slope Card" to replace slope board 409 



" 4 — Method of dividing a line of irregular length into a given 



number of equal parts to obtain proper units of strides 410 



*' 5 — Slope scale (B) on same ruler as stride scale (A) 412 



Stoller : 



Figure 1 — The course of the Iroquois-Mohawk River 410 



" 2 — The terraces at Mechanicsville 418 



Grabau : 



Figure 1 — Diagram showing relationships of Sherburne sands (S) 

 to Genesee shales (G) and Tully limestone (T) in the 



vicinity of Sherburne village 425 



" 2 — East and west section across New York State 464 



Shimer : 



Figure 1 — Sketch map of northwestern Oregon and southern Utah 474 

 SwARTZ, Price, and Bassler: 



Figure 1 — Map of the coal basins of Maryland 569 



Fairchild : 



Figure 1 — Post-Glacial uplift of northeastern America 614 



" 2 — Isobases of post-Glacial land uplift of southern New Eng- 

 land 616 



" 3 — Post-Glacial marine submergence of southern New Eng- 

 land 617 



(15 plates; 40 figures.) 



