126 



KEW YORK STATE MUSEUM 



Nature and distribution of Oriskany 



fauna, 721-823. 

 Nomenclature of geologic formations, 8«- 



12». 



Odontocephalus selenurus, 15^, 17^, 18'. 

 Orange county, Oriskany fauna, 75*-lP; 



Oriskany strata, 75^ 

 Oriskania navicella, 38*. 



sinuata, 38^. 

 explanation of plate, 112^ 

 Oriskany fauna, description, 15^-71''; 



faunal values, 68^-719; vertical range, 



651-68^; nature and distribution, 72^- 



823; description of plates, 104-21. 

 Oriskany sandstone, original, 781-799. 

 Orthis oblata, 58'. 



cf. oblata, 58^. 



perelegans, 57*. 

 Orthonycbia tortuosa, 301 

 Orthothetes arctostriata, 52^. 



becraftensis, 51^-52^ 

 explanation of plate, 116^-173. 



deformis, 52*. 



woolworthana, 52*. 



Pentagonia unisulcata, 44*. ' 

 Phacops, 14^. 



anceps, 20''. 



(Acaste) cf. anceps, 20«-2l5. 



cf. bombifrons, 14^. 



braziliensis, 21^. 



correlator, 20«-2l5. 

 explanation of plate, 105«. 



cristata, 22*. 



logani, 216-221 

 explanation ot plate, 104*. , 



Phacops pipa, 21^ 22*. 



rana, 22^. 

 Pholidops sp.? 59^ 



explanation of plate, 119^. 

 arenaria, 59'. 

 terminalis, 59^. 

 explanation of plate, 119*. 

 Plates, explanation of, 104-21. 

 Platyceras gebhardi, 305-311. 

 cf. gebhardi, 30^, 31i. 



explanation of plate, 109*. 

 nodosum, 31^. 

 tortuosum, 30*. 

 Pleurotomaria, 29^. 

 Plumulites sp. 26*. 

 Polypora, 60^. 



separata, 60^. 

 Polyporella cf. compressa, 60^ 

 Port Jervis, fauna, 76*. 

 Proetus angustifrons, 25*. 

 clarus, 25*. 

 conradi, 25i. 



explanation of plate, 105«. 

 rowi, 25*. 

 Pterinea sp.? 31* 

 Pterinopecten bellulus, 33*. 

 proteus, 323-333, 33^. 



explanation of plate, 110*. 

 pumilus, 339-343. 



explanation of plate, 110'. 

 signatus, 33*. 



explanation of plate, 1103. 

 subequilateralis, 31''-322. 



explanation of plate, llO^. 

 terminalis, 33*. 



