MUSEUM OF COMPARATIVE ZOOLOGY. 87 



EXPLANATION OF PLATES. 



PLATE L 



Fig. 1. Outline map of southern New England, showing the Triassic area of the 

 lower Connecticut Valley (dotted), and the area described in this paper (black 

 square). 



Fig. 2. Sketch map for first and third day's excursions around Lamentation 

 Mountain. 



PLATE IL 



Fig. 3. Sketch map for second day's excursion around Shuttle Meadow 

 Reservoir. 



Figs. 4 to 7. Diagrams illustrating the topographic displacement produced by 

 faults running at divers angles with the strike of the faulted beds. 



Fig. 8. View of fault gap in the anterior trap ridge, southwest of Shuttle 

 Meadow Reservoir. 



Fig. 9. Diagram illustrating the general scheme of interpretation of the faulted 

 Triassic monocline about Meriden. 



PLATE III 



Fig. 10 a. Sketch map for fourth day's excursion from Lamentation to Higby 

 Mountain. 



Fig. 10 b. Distant view of Lamentation and Higby Mountains from the north. 



PLATE IV. 

 Fig. 11. Sketch map for the fifth day's excursion in the Hanging Hills. 



PLATE V. 



Fig. 12. Generalized section of the Quarry ridge, near Meriden. 



Fig. 13. Sketch map for the sixth day's excursion, from Cook's Gap to Short 

 Mountain. 



Fig. 14. Section of fault with heave on the northwest. 



Fig. 15. Section of fault with heave, as usual, on the southeast. 



Fig. 16. General map of trap ridges in the Meriden-New Britain district ; the 

 several sketch maps already referred to being located by rectangles numbered from 

 1 to 5. 



Fig. 17. Generalized cross-section of the Meriden-New Britain district. 



