PART I 
Rockland formation, 7, 8, 9, 13, 17, 18, 19, 
20, 22, 24, 26, 27, 30, 33, 36, 52, 59, 70, 
102, IIO, 125 
Rock Levee formation, 110, 113, 114 
Rockwood formation, 54 
Rodman member of Nealmont formation, 79, 
82, 87, 88, 89 
Rostricellula zone of Lenoir formation, 72, 94 
Row Park formation, 76, 80, 88, 89 
Rysedorf conglomerate, 15, 34 
S 
St. Clair facies of Murfreesboro forma- 
tion, 88 
St. Lawrence Valley, 10, 13 
St. Luke member (facies) of Edinburg 
formation, 71, 87, 89 
St. Martin formation (member) of Aylmer 
formation, 14, 16, 17, 72 
St. Paul group, 89 
St. Peter sandstone, 106, 108, 114, 117 
Salona formation, 59, 70, 77, 81, 87, 88, 
89, 113 
Sandstones (facies), 38 
Selby member of Rockland formation, 22, 
24, 25 
Sevier formation (= facies), 38, 30, 47, 67, 
78, 90, 93, 94 
Shadow Lake formation, 23, 25 
Shales (facies), 38 
Shannondale member of Benbolt 
tion, 46, 90 
Sherman Fall formation, 18, 22, 113 
Shippensburg formation, 43, 46, 52, 57, 59, 
63, 69, 71, 79, 9X 
Shrock, R. R., 3 
Sillery formation, 15 
Simpson group, 118 
Sinclair, G. W., 3 
Sinuites zone, 78 
Snyder member of Benner formation, 48, 
68, 91 
Sowerbyites zone, 120 
Spechts Ferry member of Decorah forma- 
tion, I1O, III, 116, 125 
Speers Ferry formation, 91 
Stictoporella bed, 110 
Stinchar-Balclatchie formations, 8, 43, 75, 82 
Stones River group, 52, 55, 91, 92, 100 
Stose, G. W., 2 
Stover member of Benner limestone, 48, 92 
Strasburg formation, 92 
Stringtown formation, 125 
forma- 
INDEX 
1023 
Surgener formation, 38, 40, 93 
Swan Peak quartzite, 130 
Swift Current formation, 26, 27 
+ 
Table Head series, 6, 8, 11, 12, 15, 28, 31, 
36, 126, 127, 129 
Tank Hill formation, 129 
Tellico (sandstone) formation, 15, 38, 41, 43, 
83, 90, 93, 94 
Tetradium cellulosum, 7, 26, 34, 35, 54, 58, 
65, 69, 102 
Thompson Valley formation, 94, 95 
Toqua formation, 94 
Toquima Range, Nevada, 126 
Trenton stage, I, 9, 13, 22, 27, 35, 52, 54, 55, 
83; 107, 123; 124, 125, 326 
Tulip Creek formation, 118, 120 
Tumbez formation, 72, 77, 94 
Tyrone formation, 27, 105, 106 
U 
Ulrich, E. ©., 1,.3; 5,7 
Utah, formations in, I1, 130 
V 
V alcourea-Mimella zone of Lenoir forma- 
tion, 72 
Valcour formation, 8, 14, 16, 18, 29, 32, 72, 
74, 87, 88 
Valentine member of Curtin formation, 57, 
80, 94 
Valley View member of Curtin formation, 
57, 94 
Vestal marble, 94 
Viola formation, 123 
WwW 
Wahwah limestone, 130 
Walker Mountain sandstone of Moccasin 
formation, 95 
Wappinger (limestone), 35 
Wappinger Creek belt, 35 
Ward Cove formation, 46, 53, 56, 50, 66, 67, 
69, 73, 77; 83, 85, 87, 94, 95, 123 
Wardell formation, 8, 46, 48, 50, 58, 63, 65, 
68, 69, 71, 73, 81, 82, 91, 96, 97, 98, 99, 
100, IOI, 105, 106, 108, I10, 114, 123, 128 
Wassum formation, 53, 97 
Watertown member of Chaumont forma- 
tion, 24 
Wells Creek basin, 11, 99, 104 
