INDEX 



Actinopteria boydi, 20. 

 Agoniatite limestone, 17, 18. 

 Agoniatites expansus, 18. 

 Ambocoelia umbonata, 18, 20, 28, 



Athyris spiriferoides, 20. 

 Atrypa reticularis, 28, 31. 

 Atwaters, 21, 22, 23. 

 Auburn, 12, 13, 16, 18. 

 Aulopora sp.,si. 

 Aurelius, 10, 11, 14, 16. 

 Aurora, 20, 21, 



Backus, George, residence of, 13, 



14- 



Backus quarry, 7. 



Bactrites sp., 28. 



aciculum, 26, 28, 29, 31. 



Barnum creek, 22, 24, 25. 



Bellerophon leda, 31. 



Bertie waterlime, 7, 8-9, 10; fos- 

 sils, 8. 



Beyrichia sp., 11. 



Bloomer creek, 23. 



Bucania sp., 11. 



Buchiola retrostriata, 20, 28, 29 



31- 

 Bythotrephis lesquereuxi, 9. 



Camarotoechia congregata, 29. 



eximia, 31. 



sappho, 20. 

 Camillus shale, 7-8. 

 Cardiff shale, 17, 18-20; fossils, 19. 

 Cashaqua shale, 26, 27, 28, 29-30; 



fossils, 29. 

 Cayuga, 8, 9. 

 Cayuga Junction, 8, 9. 

 Cayuga lake, 16, 31. 

 Cayuga Land Plaster Company, 7. 

 Cement, 8. 

 Centerfield, 21. 

 Ceratiocaris acuminata, 8. 



Chaetetes (Monotrypella) arbus- 



culus, II, 13. 

 Chapel Corners, 23, 25. 

 Chonetes coronatus, 20. 



jerseyensis, 11. 



lepidus, 18, 26, 27, 29, 31, 



mucronatus, 18, 20. 



scitulus, 20, 28, 31. 



undulatus, 11. 

 Chonostrophia complanata, 15. 

 Cladochonus, 28. 



sp., 30. 

 Clarke, J. M., cited, 15, 22. 

 Clearview, 23, 25, 29. 

 Cobleskill limestone, 9-11; fossils, 



II. 

 Conularia cf. continens, 29. 

 Crane brook, 11. 

 Crinoid sp., 11. 

 Crinoid stems, 28. 

 Criss creek, 19, 20. 

 Crossroads, 7, 9, 10, 11, 13. 

 Cryphaeus, boothi, 20. 

 Cryptonella eudora, 31. 

 Cyathophyllum hydraulicum, 11. 

 Cyclonema sp., 11. 

 Cyrtina hamiltonensis, 30, 31. 



Dolichopterus macrocheirus, 8. 

 Drumlins, 5-6. 



Eaton, Amos, cited, 15. 

 Ensenore, 21, 23. 

 Ensenore brook, 25. 

 Eurypterids, 8, 12. 

 Eurypterus dekayi, 8. 



lacustris, 8. 



var. pachychelrus, 8. 



pustulosus, 8, 



remipes, 8. 

 Eusarcus scorpionis, 8. 



Falkirk, Erie county, 9. 

 Favosites niagarensis, 11. 



33 



