PALEOZOIO SECTION. 285 
Vertical range of genera. 
Upper Carboniferous genera: Fusilina, Zaphrentis, Polypora, Ptylodictya, Chetetes, Orthis, Productus, Spirifera, 
piriferina, Retzia, Athyris, Terebratula, Myalina, Macrodon, i eaInaetoe : 
Non-fossiliferons. 
Lower Carboniferous genera: Fusilina, Stromatopora, Syringopora, Polypora, Ptilodictya, Fenestella, Archocidaris, 
Lingnla, Discina, Streptorhynchus, Orthis, Chonetes, Productus, Strophomena, Spirifera, Syringothyris, Spiriferina, 
Athyris, Rynchonella, Camarophoria, Terebratula, Aviculopecten, Streblopteria, Crenipecten, Pterinopecten, Pteri- 
nea, Leptodesma, Ptychopteria, Pinna, Myalina, Modiola, Modiomorpha, Nucula, Solenomya, Macrodon, Grammy- 
sia, Edmondia, Pleurophorus, Sanguinolités, Microdon, Cardiola, Schizodus, Platyceras, Platyostoma, Bellerophon, 
Enuomphalus, Loxonema, Macrocheilus, Pleurotomaria, Naticopsis, Metoptoma, Hyolithes, Dentalium, Conularia, Orth- 
oceras, Gomphoceras, Nautilus, Leperditia, Griflithides. 
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. 
a rc a RS 
Fauna mostly in central and upper portion: Cyathophyllum, Fenestella, Lingnla, Discina, Orthis, Chonetes, Productus, 
Spirifera, Amboceelia, Retzia, Athyris, Rhynchonella, Avicuiopecten, Modiomorpha, Paleoneilo, Nuculites, Cardio- 
morpha, Lunulicardium, Cypricardinia, Conocardium, Hyolithes, Pleurotomaria, Goniatites, Cyrtoceras, Proetus. 
Upper 500 feet: Stromatopora, Alveolites, Cladopora, Syringopora, Cyathophyllum, Pachyphyllum, Lingula, Discina, 
Orthis, Streptorhynchus, Strophodonta, Chonetes, Productus, Spirifera, Athyris, Atrypa, Rhynchonella, Cryptonella, 
Pterinea, Leptodesma, Mytilarca, Nucula, Nyassa, Grammysia, Sanguinolites, Paracyclas, Enomphalus, Straparollus, 
Platyschisma, Bellerophon, Naticopsis, Styliola, Coleolus, Gomphoceras, Proetus, Phillipsia?. 
Lower 500 fect: Palaomanon, Astylospongia, Stromatopora, Favosites, Thecia, Syringopora, Aulopora, Cyathophyllum, 
Acervularia, Diphyphyllum, Cystiphyllum, Lingula, Discina, Pholidops, Orthis, Skenidiam, Streptorhynchus, Stropho- 
mena, Strophodonta, Chonetes, Prodactus, Spirifera, Trematospira, Nucleospira, Meristella, Atrypa, Rhynchonella, 
Pentamerns, Cryptonella, Glyptodesma, Pterinea, Actinopteria, Leiopteria, Limoptera, Mytilarca, Plethomytilus, Mo- 
diomorpha, Goniophora, Dystactelia, Megambonia, Nyassa, Edmondia, Sangninolites, Conocardium, Paracyclas, Posid- 
onomya, Microdon, Anadontopsis, Schizodus, Cypricardinia, Platyceras, Platyostoma, Ecculiomphalus, Euomphalus, 
Callonema, Loxonema, Bellerophon, Metoptoma, Tentaculites, Styliola, Hyolithes, Orthoceras, Cyrtoceras, Goniatites, 
Beyrichia, Leperditia, Phacops, Proetus, Dalmanites. 
Upper Silurian horizon: Zaphreutis, Halysites. 
Lower beds: Streptelasma, Monticulopora, Leptena, Orthis, Orthoceras, Cyrtoceras, Ceraurus, Trinucleus, Dalmanites, 
Illznus, Asaphus. 
Non-fossiliferous. 
Upper portion: Receptaculites, Monticulopora, Ptilodictya, Graptolithus, Acrotreta, Strophomena, Streptorhynchus, 
Orthis, Triplesia, Modiolopsis, Tellinomya, Bellerophon, Murchisonia, Raphistoma, Pleurotomaria, Hellicotoma, 
Maclurea, Cyrtolites, Coleoprion, Hyolithes, Orthoceras, Endoceras, Leperditia, Beyrichia, Amphion, Ceraurus, 
Symphasurus, Cyphaspis, Proetus, Ilenus, Bathyurus, Asaphus. 
Lower portion: Lingulepis, Lingula?, Discina, Obolella, Acrotreta, Schizambon, Leptw#na, Strophomena, Orthis, Trip- 
lesia, Agnostus, Dicellocephalus, Ptychoparia, Arethusina, lllenurus, Asaphus. 
_ 
Lingulepis, Kutorgina, Obolella, Acrotreta, Agnostus, Dicellocephalus, Ptychoparia, Ptychaspis, Arethusina. 
'lraces of fossils. 
Upper beds: Protospongia, Lingulepis, Lingula?, Discina, Acrothele, Acrotreta, Kurtorgina, Hyolithes, Agnost 
Picellocephalus, Ptychoparia, Agraulos, Chariocephalus, Ogygia?. ; i “ erro 
Upper beds: Lingulepis, Obolella, Stenotheca, Agnostus, Dicellocephalus, Ptychoparia. 
Middle beds: Scenella, Agnostus, Dicellocephalus ?, Ptychoparia. 
Upper shaly beds: Kutorgina, Olenellus, Ptychoparia, Anomocare. 
