18 



do 



19 



do 



20 



do 



21 



do 



22 



do 



23 



do 



24 



do 



52 NEW-YORK STATE COLLECTION. 



Names. Associates and localities. 



17 Hydraulic limestone. Allen's creek. 



Street farru, Caledonia. 



Phelps, Ontario. 



One mile east of Vienna, Oneida. 



Near Vienna, 

 (with sulphate of strontian). Street farm. 



Phelps, Ontario, 

 (partially burned). Phelps. 



25 Shaly hydraulic limestone. 



26 Hylraulic limestone (with nodule of chert). Marcellus, Onondaga. 

 27, 28 Hydraulic limestone (with crystalline nodules). Lanark's mills. 



29 Shaly hydraulic limestone. 



30 Dark-colored hydraulic limestone. Marcellus, Onondaga. 



31 Hydraulic limestone. Cherryvalley, Otsego. 



32 Hydraulic limestone (dark colored). Near Marcellus. 



33 Shaly hydraulic limestone. Near Deansville, Oneida. 



34 Shaly hydraulic limestone (dark colored). Near Deansville. 



35 Hydraulic limestone. Onondaga valley. 



36 - 41 Hydraulic limestone (with fluor spar). Manlius, Onondaga. 



42 Hydraulic limestone. Onondaga valley. 



43 do Cherryvalley, Otsego. 



44 do Phelps, Ontario. 



45 Gypseous shaly limestone. 



46 Hydraulic limestone. Near Lanark's mills. 



47 do (shaly). Oriskany falls, Oneida. 



48 do Chittenango, Madison. 



49 do Near Manlius, Onondaga. 



50 do (with anhydrite). 



51 Vesicular limestone. Near Syracuse. 



52 Hydraulic limestone. East Steel's creek, Herkimer. 



53 do (upper part shaly, with crystals of baryta; three 



specimens). Phelps, Ontario. 



54 do (black, shaly upper layers). Phelps. 



