Geol.— Vol. I.] TURNER— ORIGIN OF YOSEMITE VALLEY. 321 



TABLE OF ILLUSTRATIONS. 



Plate XXXI. 

 Plate XXXII. 

 Plate XXXIII. 



Plate XXXIV. 

 Plate XXXV. 



Plate XXXVI-^. 

 Plate XXXVI-^. 

 Plate XXXVI-C 



Plate XXXVI -/?. 

 Plate XXXVII. 



Plate XXXVI 1 1. 

 Plate XXXIX. 



Tenaya Canyon looking northeasterly from near Glacier 



Point. 

 Cathedral Rocks spur from the east, showing erosion 



along vertical joints. 

 The Three Brothers, showing inclined surfaces formed 



by erosion along inclined joints. Photograph by 



Fiske. 

 Lake Washburn, a rock basin dug out by a glacier. 



From a photograph by Theo. S. Solomons. 

 Wall of glacial amphitheater or cirque at the northeast 



base of Merced Peak. Photograph by Theo. S. 



Solomons. 

 Section across Deep Canyon and Tuolumne Canyon at 



Pate Valley. 

 Section across the canyon of the Merced River at 



Big Meadow. 

 Section across the canyon of the Middle Fork of the 



Stanislaus, 2.8 miles up-stream from Baker's 



Crossing. 

 Section across Yosemite Valley through Sentinel Dome 



and Eagle Peak. 

 Fairview Dome, south of Tuolumne Meadows, showing 



the shelling off or exfoliation of the granite in huge 



scales. Photograph by Theo. S. Solomons. 

 Vertically jointed cliffs on the south side of Sawmill 



Canyon. 

 Rock basin three feet in diameter, formed by the 



unequal weathering of granite. 



