PALEOZOIC SECTION. 

 Vertical range of genera. 



285 



Upper Carboniferous genera: Fusilina, Zaphrentis, Polypora, Ptylodictya, Chaetetes, Orthis, Productus, Spirifera, 

 Spiriferina, Retzia, Athyris, Terebratula, Myalina, Macrodon, Pleurotomaria. 



Non-fossiliferons. 



Lower Carboniferous genera: Fusilina, Stromatopora, Syringopora, Polypora, Ptilodictya, Feoestelld, Archasocidaris, 

 Lingnla, Discina, Streptorhynchns, Orthis, Chonetes, Productus, Strophomena, Spirifera, Syringothyris, Spiriferina, 

 Atbyris, Rynchonella, Camarophoria, Terebiatula, Aviculopecten, Streblopteria, Crenipecten, Pterinopecten, Pteri- 

 nea, Leptoilesiua, Ptychopteria, Pinna, Myaliua, Modiola, Modiomoipha, Nucula, Solenomya, Macrodon, Grammy- 

 sia, Edmoudia, Pleurophorus, Sanguinolites, Microdon, Cardiola, Schizodus, Platyceras, Platyostoma, Bellerophon, 

 Euomphnlus, Loxoncma, Macroclioilus, Pleurotomaria, Naticopsis, Metoptoma, Hj'olithes, Dentaliunif Conularia, Orth- 

 oceras, Gomphoceras, Kautilus, Leperditia, Griffithides. 



Productus and Athyris alone observed in a calcareous stratum near the base of the conglomerate beds, not over 200 

 feet above the White Pine shale. 



Fauna mostly in central and upper portion : Cyathophyllum, Fenestella, Lingula, Discina, Orthis, Chonetes, Productus, 

 Spirifera, Amboca'lia, Reizia, Atbyris, Ehynchonplla, Avicniopecten, Modiomorpha, Palaeoneilo, Nnculites, Cardio- 

 morpha, Lumilicaidium, Cj'pricardi'uia, Conocardium, Hyolithes, Pleurotomaria, Goniatites, Cyrtoceras, Proetus. 



Upper 500 feet: Stiomatopova, Alveolites, Cladopora, Syringopora, Cyathophyllum, Pachyphyllum, Lingula, Diacina, 

 Orthis, Streptorhynchus, Strophodonta, Chonotps, Productus, Spirifeva, Athyris, Atrypa, Khynchonella, Cryptoiiella, 

 Pterinea, Leptodesma, Mytilarca, Nucula, Nyas>sa. Gnimmysia, Sanguinolites, Paracyclas, Euomphalus, Straparollus, 

 Platyschismn, Bulleroplion, Naticopsis, Styliola, Coloolus, Gomphoceras, Proetns, Phillipsia?. 



Lower 500 feet: Pateomanon, Astylospongia, Stroniatojiora, Favosites, Thecia, Syringopora, Aulopora, Cyathophyllum, 

 Acervularia, Dtpbyphyllum, Cystiphylhun, Lingula, Discina, Pholidops, Orthis, "Skenidinm, Streptoihynchus, Stropho- 

 mena, Stropliodoiita, Cbonetes, Prod'lCtus, Spirifera, Trematospira, Js ucleospira, Meristella, Atrypn, Khynchouella, 

 Pentameru.s, Ciyptoue'ln, Glyptodesma, Pterinea, Actinopteria, Lciopteiia, Limoptera, Mytilarca, Plethomytilus, Mo- 

 di(>:i)orpha. (ionio])bora, Dyslactclin, Mc'iainboiiia, Nyassa, Edmondia, Sanguinohtes, Conocardium, Paracyclas, Posid- 

 onomya, llicrodon, Anadontopsis, ScbizoduH, Cypricaidinia, Platyceras, Platyostoma, Ecculiomphalus, Euomphalus, 

 Callonrma, Loxonema, Belleropliou. Metoptoma, Tentaculites, Styliola, Hyolithes, Orthoceras, Cyrtoceras, Goniatites, 

 15cyrichia, Leperditia, Phacops, Proetus, Dalmanites. 



Upper Silurian hori/on : Znphreutis, Halysites. 



Lower bods: Streptelasma, Monticulopora, Leptsena, Orthis, Orthoceras, Cvrtoceras, Ceraurus, Trinucleus, Dalmanites, 

 s, Asaphus. 



Non-fosBiliferont). 



Upper portion: Keceptaculites, Monticulopora, Ptilodictya, Graptolithus, Acrotreta, Strophomena, Streptorhynchns, 

 Orthis, Triplesia, Modiolopsis, Tellinomya, Bellerophon, Murchisonia, Raphistoma, Pleurotomaria, Hellicotoma, 

 Macluroa, Cyrtolite*, Coleopiion, Hyolithes, Orthoceras, Endoceras, Leperditia, Beyrichia, Amphion, Ceraurus, 

 Symphasurus, Cyphaspis, Proetus, Ilhenus, Bathyurus, Asaphus. 



Lower portion : Liugulepis, Lingula ?, Discina. Obolella, Acrotreta, Schizambon, Leptaena, Strophomena, Orthis, Trip- 

 lesia, Agnostus, Dicellocephalus, Ptychoparia, Aiethusiua, lllasnurus, Asaphus. 



Lingulepis, Kutorgina, Obolella, Acrotreta, Agnostus, Dicellocephalus, Ptychoparia, Ptychaspis, Arethusina. 

 Traces of fossils. 



Upper beds: Protospongia, Lingulepis, Lingula?, Discina. Acrothele, Acrotreta, Kurtorgina, Hyolithes, Agnostus, 

 Dicellocephalus, Ptychoparia, Agraulos, Chariocephalus, Ogygia?. 



Upper beds: Lingulepis, Obolella, Stenotheca, Agnostus, Dicellocephalus, Ptychoparia. 

 Middle beds: Sccnella, Agn6stus, Dicellocephalus?, Ptychoparia. 



Upper shaly beds : Kutorgina, Olenellus, Ptychoparia, Anomocare. 



