INDEX 



Anoplotheca hemispherica, 15. 

 Area covered, 5. 



Arey, A. L., acknowledgments to, 5. 

 Arthrophycus alleghaniensis, 12, 

 Atrypa reticularis, 17, 19. 



Barnum, E. G., cited, 28. 



Beekmantown dolomite, thickness, 8. 



Bertie waterlime, 8, 28, 31-32. 



Bishop, I. P., cited, 28. 



Black creek, 28. 



Black River limestone, thickness, 8. 



Calymmene niagarensis, 17, 19, 27. 

 Camarotoechia? indianensis, 26. 



neglecta, 17, 19, 26. 

 Camillus shale, 8, 30-31, 

 Caryocrinus ornatus, 19. 

 Cephalopod sp., 30. 

 Ceratiocaris praecedens, 30. 

 Ceraurus niagarensis, 19. 

 Chadwick, G. H., acknowledgments 



to, 5- 

 Chapman, E. J., cited, 31. 

 Chilotrypa ostiolata, 19. 

 Cladopora seriata, 19. 

 Clarke, John M., cited, 16, 17, 19, 



23-24, 25-26, 29. 

 Clathrodictyum ostiolatum, 26. 

 Clinton age, 6. 

 Clinton formation, 8; thickness, 12; 



description, 12-17; ores, 14. 

 Cobleskill dolomite, 7. 

 Coelidium macrospira, 27. 



cf. vitellia, 27. 

 Conocardium sp., 26. 

 Conularia niagarensis, 19. 

 Coral reefs, 25. 

 Cornulites arcuates, 27. 

 Crania sp., 26. 

 Crinoidal limestone, 22. 

 Cyrtoceras arcticameratum, 27. 



bovinum, 27. 



Cyrtoceras (continued) 

 cf. brevicorne, 27. 

 orodes, 27. 

 subcancellatum, 19. 



Dalmanella elegantula, 19, 26. 

 Dalmanites limulurus, 19. 

 Dana, J. D., cited, 27. 

 Dawsonoceras annulatum var. amer- 



icanum, 27. 

 Densmore creek, 13. 

 Diaphorostoma niagarense, 19, 26. 

 Dictyonella corallifera, 19. 

 Dictyonema retiforme, 19. 

 Dip of formations, 7. 

 Diplophyllum caespitosum, 26. 

 Dufferin islands, excavations at, 21. 



Eaton, Amos, cited, 5. 

 Emmelezoe decora, 30. 

 Enterolasma caliculus, 19, 26. 

 Eotomaria areyi, 2y. 



durhamensis, 27. 



kayseri, 27. 

 Eucalyptocrinus decorus, 19. 

 Euomphalus fairchildi, 27. 

 Eurypterid fauna in Shawangunk 



conglomerate, 29. 

 Eurypterus, 32. 



pittsfordensis, 30. 



Fairchild, H. L., acknowledgments 



to, 5 ; cited, 28. 

 Favosites, 23. 



sp., 30. 



constrictus, 19. 



forbesi, 26. 



gothlandicus, 26. 



hisingeri, 26. 



niagarensis, 26. 

 Fenestella elegans, 19. 

 Formations involved, 8; description, 



10-32. 



33 



