INDEX 



Actinopteria decussata, 19. 

 Ambocoelia nana, 16. 



umbonata, 17, 18, 19, 21. 

 Athyris spiriferoides, 18, 19. 

 Atrypa aspera, 19, 21. 



reticularis, 14, 17, 21. 

 Aulopora annectens, 23. 



Bellerophon denckmanni, 23. 



koeneni, 23. 



leda, 18. 

 Bertie waterlime, 8-9. 

 Bishop, I. P., cited, 10. 

 Buchiola? livoniae, 23. 



lupina, 25. 



retrostriata, 25. 



scabrosa, 23. 

 Bythotrephis lesquereuxi, 9. 



Camarotoechia dotis, 19. 

 Camillus shale, 8. 

 Cardiff shale, 16-17. 

 Cashaqua shale, 24-25. 

 Centronella impressa, 20. 

 Ceratiocaris acuminata, 9. 



grandis, 9. 

 Ceratopora dichotoma, 17. 

 Chonetes deflectus, 21. 



lepidus, 17, 18, 19. 



mucronatus, 15, 16, 18, 21. 



scitulus, 16, 18, 19. 



setigerus, 18. 

 Clarke, J. M., cited, 10, 11, 12, 23. 

 Cobleskill waterlime, 9-10, II. 

 Cryphaeus boothi, 18, 19. 

 Cryptonclla planirostra, 20. 

 Cyathophyllum hydraulicum, 10. 

 Cypricardinia indenta, 16, 19. 

 Cyrtoceras undulatum, 14. 

 Cystiphyllum conifollis, 21. 



Diaphorostoma lineatum. 19, 20. 

 Dinichthys newberryi, 23. 

 Doliehopterus macrochirus, 0. 



Encrinal limestone, 20. 

 Euomphalus (Phanerotinus) laxus, 

 18. 



Eurypterus dekayi, 9. 



giganteus, 9. 



lacustris, 9. 



pachychirus, 9. 



pustulosus, 9. 



reraipes, 9. 



robustus, 9. 

 Eusarcus grandis, 9. 



scorpionis, 9. 



Favosites sp., 10. 

 hamiltoniae, 20. 



Genesee beds, 22. 

 Genesee black shale, 21, 22. 

 Genundewah limestone, 21, 22-23. 

 Gephyroceras cf. domanicense, 25. 



genundewa, 23. 



holzapfeli, 25. 

 Grabau, A. W., cited, 10, 11, 18, 19, 



20, 21. 

 Gyroceras trivolve, 14. 



Hall, James, cited, 20, 23. 

 Hamilton beds, 17-22. 

 Hartnagel, C. A., cited, 9, 11. 

 Honeoyea styliophila, 23 



Isochilina (?) fabacea, 15. 



Leperditia alta, 8. 



scalaris, 9. 

 Leptaena rhomboidalis, 14. 

 Leptostrophia perplana, 19, 21. 

 Lingula ligea, 24. 



Eiorhynchus limitare, 15, 16, 17, 18. 

 ■ multicostum, 19. 

 Loxonema ?, 10. 



noe, 23, 25. 

 Ludlowville shale, 18-19. 



