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NEW-YORK STATE COLLECTION. 



4. TRENTON LIMESTONE. 



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SIXTH TABLE CASE. 

 Names. Localities. 



1-3 Trenton limestone (with Chcetetes). Newport, Herkimer. 



4 Large hemispherical form of Chcetetes lycoperdon. Newport. 



5 The same (weathered specimen). Middleville, Herkimer. 



6 Trenton limestone (with Chcetetes). Middleville. 



7 & 8 Chcetetes (hemispherical form). 



9 Trenton limestone (with branching forms of Chcetetes lycoperdon). 



Sugar river, Boonville, Lewis. 



(with branching or ramose forms of C. lycoperdon). 

 Herkimer, Herkimer. 



with similar forms). Lowville, Lewis. 



with Streptelasma comiculum). 



encrinal). Creek at Spraker's basin. 



encrinal). Remsen, Oneida. 



with fragments of trilobites). 



with fragments of Trinudeus). Near Middleville. 



with head of Calymcne senaria). Middleville. 



with Calymene senaria). Middleville. 



with fragments of Calymene). 



with caudal shield of Isotelus gigas). Middleville. 



with fragments of Isotelus and Ceraurus). One 

 mile east of Florida, Fulton. 



with Isotelus gigas). Quarry north of Littlefalls. 



caudal shield of 1. gigas). Middleville. 



with middle lobe of the buckler of Isotelus gigas). 

 Middleville. 



with Avicula trentonensis). Middleville. 



with fossils). Middleville. 



(with Lcptcena sericea). Fortplain, Montgomery, 

 (with Leptcena sericea). Middleville, Herkimer. 



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20&21 



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24&25 



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