LIST OF ILLUSTRATIONS 
Phororhacos, a Patagonian Giant of the Miocene 
Trontions 
From a Drawing by Charles R. Knight i 
Fig. Page 
1. Diplomystus, an Ancient Member of the 
Shad Family : : 4 
From the fish-bed at Green River, Weiakag: pone a 
specimen in the United States National Museum. 
2. Bryozoa, from the Shore of the Devonian 
Sea that Covered Eastern New York . 10 
From a specimen in Yale University Museum, prepared 
- by Dr. Beecher. 
3. Skeleton of a Radiolarian Very ee En- 
larged . : : ; ; Pi Sag e 
4. Cephalaspis and Loricaria, an Ancient and _ 
a Modern Armored Fish : ; - 24 
Pterichthys, the Wing Fish__.. ; . 82 
Where a Dinosaur Sat Down . ; . 38 
7. Footprints of Dinosaurs on the Brownstone 
of the Connecticut Valley. . . 40 
From a slab in the museum of Amherst College. 
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