ILLUSTRATIONS 



Vll 



Figures 



HOBBS : Page 



Figure 1 — Map of the (Farmington) Still river and vicinity 18 



" 2 — Stages in the development of the (Farmington) Still river. . . 21 



" 3 — Map of the (Housatonic) Still river and vicinity 23 



Todd: 



Figure 1 — Hydrographic conditions of South Dakota for the epochs 



indicated 29 



" 2 — Hydrographic conditions in South Dakota in pre- Wisconsin 



Pleistocene 34 



" 3 — Hydrographic conditions in South Dakota in early Wiscon- 

 sin epoch 37 



Branner: 



Figure 1 — Right dentary of Cimolichthys n.'sp 45 



" 2 — Ponta de Pedras, Pernambuco, looking southwest 46 



" 3 — Reef of Tertiary sandstone, south of Jacuma 48 



" 4 — General view of Tertiary sandstone reef 49 



' ' 5 — Cabo Branco 50 



" 6 — Geological section on the Conde d'Eu railway . 52 



" 7 — Idealized section from Cabo Branco to frontier of Ceard. ... 57 



" 8— Geology on south side of Cobo Santo Agostinho 60 



" 9 — Exfoliated blocks of biotite-granite on Pedra do Conde beach . 65 



" 10— Profile of the hills south of Glycerio 71 



" 11 — Outline of the hills south of railway between Garanhuns and 



Soa Joao 72 



" 12— Profile of the hills at Areias 77 



" 13— Apparent relation of schists and granites east of Caruam. . . 81 



" 14 — Looking- west from Antonio Olyntho 83 



" 15 — Jointed and metamorphosed rhyolite tuff near Antonio 



Olyntho 84 



" 16 — Section on the railway between Pao d'Alho and Carpi na. . . 88 



" 17 — Section on the railway near Barauna 89 



" 18 — The hills west and southwest of Timbauba 90 



" 19 — Ancient sand dunes capping the bluffs at Pipa 94 



Wright : 



Figure 1 — Route traveled 128 



Hobbs : 



Figure 1 — Area occupied by the Newark system 141 



" 2— Sketch map of southern part of Newark area of Connecticut 



valley 143 



" 3 — Sketch map of Newark area of Pomperaug valley, Connecti- 

 cut 143 



" 4 — Sketch map of Newark area of New York and New Jersey. . 144 

 " 5 — Sketch map of Newark area of Richmond basin 144 



