ROCKS. 53 



Names. Associates and localities. 



55 Hydraulic limestone (with linguloe). Cherryvalley, Otsego. 



(vesicular). Oriskany, Oneida. 



Below Jamesville, Onondaga. 



(with cavities filled with crystalline matter). 

 Near Jamesville. 



60 & 61 do (with crystals of magnesian carbonate of lime). 



Near Marcellus, Onondaga. 



62 do (with nodule of chert). Near Marcellus. 



63 do (with gypsum). Near Syracuse. 



56&57 



do 



58 



do 



59 



do 



NEW-YOKK SYSTEM (Continued). 



Name of Group. Contained in No. of Specimens. 



13. Waterlime group. Fifteenth table case. - - - - 58 



14. Pentamerus limestone. Sixteenth table case. - - - - 49 



15. Catskill SHALT limestone. Seventeenth table case. - - 42 



16. Oriskany sandstone. Eighteenth table case. - - - - 45 



17. Cauda-galli grit. Nineteenth table case. - - - - 23 



18. Schoharie grit. Twentieth table case. - - - - 41 



19. Onondaga limestone. Twenty-first table case. - - - 67 



20. Corniferous limestone. Twenty-second table case. - - 54 



21. Marcellus shale. Twenty-third table case. - - - 55 



22. Hamilton group. Twenty-fourth table case. - - - 62 



22. Hamilton group. Twenty-fifth table case. - - - 74 



23. Tully limestone. Twenty-sixth table case. - - - 29 



24. Genesee slate. Twenty-seventh table case. - - 36 



25. Portage group. Twenty-eighth table case. - - - 32 



26. Ithaca group. Twenty-ninth table case. - - - 50 



27. Chemung group. Thirtieth table case. - - - - 50 



28. Catskill group. Thirty-first table case. - - * 55 



Conglomerate. Thirty-second table case. - - - 16 



Carboniferous system (of Pennsylvania). 33d table case. 33 



Miscellaneous. Thirty-fourth table case. - - - 49 



Miscellaneous. Thirty-fifth table case. - - - - 66 



Miscellaneous. Thirty-sixth table case. - - - 77 



Miscellaneous. Thirty-seventh table case. - - - 75 



Fifteen wall cases unarranged specimens. 



