53 
Case m, Sect. 4, and a fine fin with its connecting bones in 
Alcove Case 10. Also pavement teeth of Cestraciont and Hy- 
bodont sharks in Case M, Sect. 12 ; Case n, Sects. 4 and 9. A few 
small fishes, from the Coal Measures, Case o, Sect. 11. Under 
the Triassic, Case o, Sects. 12 and 13, and Alcove Case 13, 
will be found a fine collection of fishes from the Connecticut 
Valley slates. A beautiful series of bony fishes may be seen under 
Fig. 40.— Priscacara cypha, Cope Fossil fish from the Eocene of Wyoming (sec Case 1', Sect. 
12), reduced. (After Cope. ) 
the Eocene, in Case P, Sect. 12 from Wyoming; in these the 
structure is beautifully preserved. Also a few nodules with fishes 
from the Post Pliocene in Case Q, Sect. 12. And a large collection 
of shark teeth from the Eocene of South Carolina in Alcove Case 
14. In the foreign series there are many beautiful examples of 
fishes from Solenhofen, Bavaria, in Case R, Sect. 12, and some 
fine Ganoids in other parts of the Case. 
REPTILES. 
This group of animals is represented under the Triassic epoch 
of America, by tracks in red sandstone from the Connecticut Valley. 
One large slab of great beauty, showing six consecutive tracks of 
the same individual of Brontozoum giganteum, is placed on the 
