24 Bulletin 6 24 



meeki a, Palcsoneilo filosa r, Z'. constricla r, Mytilarca chermingen- 

 sis c, Rhynchonella ptcgnus a, Goniatites sinuosiis r, Prodiiclella 

 speciosa a, Spirifer mesacostalis a, Goniatites complanatusf r, AHhi- 

 opteria boydif r, Orthoceras sp. c, Strophodoiita mucronata, S. per- 

 plana var. nervosa, S. demissaf r, Bellerophoyi sp. r, Goniophora 

 minor r, Modiomorpha subalata var. cheniungensis c, Nucula diffi- 

 dens c, A^. corbulifor-mis , Glossites depressus r, Rhynchonella eximia 

 c, i?. stephani, Schizodus che7nu7ige7isis r, Microdon gregaritis , 

 Pterinopeflen sp., Aviadopec2e?i striatiis r, Pleiirotomai'ia capillaria, 

 Platyceras sp. , A£linopteria boydi, Orthis impressa a, Graminysia 

 subarcuata r, Zaphrentis simplex? r. 



Station 6. — This horizon, which is just above the wagon road 

 and 330 feet above the lake, afforded the following species: (9r- 

 ///w impressa, Atrypa reticularis, A. aspera, Produclella speciosa, 

 Spathella typica, Strophodo7ita perplana var. nervosa, S. mucronata, 

 Chonetes setigera, Rhyncho7iella piig7ius, Goniatites coniplanat^is , 

 Spirifer 77iesacostalis, Mytilarca che7mi7ige7isis, 07'thoceras sp. 



Station 7. — About 10 feet above the last station, the following 

 species were colledled: Gra77t7nysia sp?, Porcellia 7iais, Atrypa re- 

 ticida7'is, Spirifer 77iucro7iatus , Orthis sp., Produclella speciosa, Cho- 

 Tietes lepida, Palceo7ieilo filosa, Platyceras bucculentu7n, Stj^ophodonta 

 mucro7iata, Aclinopteria boydi. 



Section V, Quarries. 



This sedlion has for its lowest station a rock exposure in the 

 bank of Six Mile creek at the Cayuga Street bridge. All the 

 other stations are in the quarries on South Hill and on the 

 north side of Six Mile creek. The se(5lion includes a thickness 

 of 230 feet beginning in the Ithaca shale. 



Station i. — Six Mile creek at Cayuga Street crossing. 



Just above the Ca5mga Street bridge, about ten feet of dark 

 shale are exposed. The following three species of the Ithaca 

 .shale are found here rather abundanth': L7i7iulicardin77i fragile, 

 Lingtda compla7iata, Glyptoca7'dia speciosa. 



Statio7i 2. — Quarr}^ at Inclined plane, 115 feet above Station 

 I. The following species were obtained here: Chonetes scitula, 

 Spirifer 7nesacostalis, Spathella typica f , Leiorhy7ichus 77iesacostalis, 

 Palceo7ieilo const7'icla. 



Station J. — Quarry at the south end of Hazen Street. 



