368 The American Geologist. December, looi 
1. Dckayella ulrichi (Nicholson). 
2. Callopora cf. ramosa (d'Orbigny). 
3- Zygospira modesta Hall. 
4. Platystropliia hiforata (Schlothcim). 
Very small imperfect specimens, nearest to var. dcntata. 
Base of platystrophia zone. 
No. 64. Covered, 6 ft. 
No. 65. Thin-bedded bryozoal limestone, 8 ft. 
1. Callopora ramosa (d'Orbigny). ? 
2. Dckayella ulrichi robusta Foord. 
3. Platystropliia hiforata (Schlotheim). Small form, near- 
est to dcntata. 
4. Herbertella occidcntalis sinnata Hall. 
No. 66. Thicker-bedded, light gray limestone, containing fragments 
of Raiinesquiiia alternata in abundance. Zygospira modesta com- 
mon, I foot. 
No. 67. Covered, i foot 8 inches. 
No. 68. Coarse grained limestone. Rafinesquina alternata abundant, 
5 inches. 
No. 69. Shale, 6 inches. 
No'. 70. Fine-grained limestone, containing Zygospira modesta Hall. 
3 inches. 
No. 71. Covered, 3 feet. 
No. 72. Coarse-grained, crinoidal limestone. Refinesquina alternata 
common, 4 inches. 
No. 73. Limestone, i foot 3 inches. 
1. Platystrophia hiforata (Schlothem). Small form with 17 
plications (the normal number) on the ventral valve. 
2. Rafinesquina alternata (Conrad). Very thin form. 
3. Escharopora pavonia (d'Orbigny). 
4. Constellaria constellata (Van Cleve). Large specimens. 
5. Batostoma sp., probably .new. 
No. 74. Coarse-grained limestone, 3 to 8 inches. 
No. 75. Covered, 6 inches. 
No. 76. Compact limestone. Rafinesquina common, 4 inches. 
No. 77. Covered, 3 feet 8 inches. 
No. 78. Limestone with Rafinesquina and Bryozoa, 5 inches. 
No. 79. Argillaceous-arenaceous, thin imestone. Some covered, 14 
feet. 
No. 80. Argillaceous-arenaceous limestone, 4 inches. 
No. 81. Covered, 3 feet 3 inches. 
No. 82. Yellow sandstone, 4 inches. 
No. 83. Thin irregular limestone, 6 inches. 
1. Platystrophia hiforata (Schl.) 
2. Constellaria constellata (Van Cleve). 
No. 84. Thin-bedded limestone containing Platystrophia hiforata 
(Schl.). 
No. 85. Yellow argillaceous sandstone, 4 inches. 
No. 86. Limestone with Platystrophia and Hchertclla siniiata, 6 feet. 
