ILLUSTRATIONS IX 



Arnold : Page 



Figure 3 — Section along eastern end of Crescent bay 460 



" 4 — Section of small promontory on coast 2 miles west of Clallam . 466 



Dresser : 



Figure 1 — Lots 13, 14, 15, ranges xn and xin, township of Quebec 508 



Watson : 



Figure 1 — Contact of hornblende-biotite gneiss with granite . 



' ' 2 — Contacts between the gray and blue granites 533 



" 3 — Eelations of the blue to the gray granite 534 



' ' 4 — Banded aplite-pegmatite intersecting the blue granite 536 



" 5 — Contact between blue and gray granite • 537 



" 6 — Faulted pegmatite intersecting blue granite 538 



" 7 — Pegmatite cutting across the schistosity of the granite-gneiss.. 539 



Darton : 



Figure 1 — Typical section across Bighorn mountains 543 



" 2— Ideal section showing stratigraphic relations in southern part 



of Bighorn mountains 548 



' ' 3 — Cross-section of Butte near summit of Bighorn mountains, 23 



miles west of Mayo worth, Wyoming 551 



" 4 — Sketch map showing distribution of Ordovician rocks in the 



Canyon City region, Colorado 55S 



' ' 5 — Sketch map of Manitou embayment, west of Colorado Springs, 



Colorado 562 



" (5— Map of portion of the northwest, showing distribution of 



Ordovician 504 



(4 rabau : 



Figure 1 — Diagram illustrating progressive ( transgressive ) overlap 570 



" 2 — Comparison of section at Smith sound and Manuels brook, 



Newfoundland 572 



" 3 — Diagrammatic comparison of Irish and English cretacic 592 



" 4 — Diagrammatic view of the relationship of the Black shale of 



southern Missouri and northern Arkansas in the overlying 



formations 598 



" 5 — Diagram of Cumberland ridge showing relationship of interior 



sea to oceanic channel 610 



" 6 — Diagram showing planes of sedimentation and relationship of 



seashore bed 614 



" 7 — Diagrammatic illustration of compound overlap, actual rela- 

 tionship 616 



" 8 — Diagrammatic illustration of compound overlap, showing the 



hiatus 616 



" 9 — Relationship of the Arbuckle and Simpson and the Stones 



River and Magnesian formations, and position of the Saint 



Peter sandstone 619 



' ' 10 — Non-marine progressive overlap 628 



" 11 — Marine progressive overlap 628 



" 12 — Overlap relation of marine and non-marine beds 629 



