31 Ithaca Group 31 



bed of the Portage. 



Station i. — This station which is 45 feet above the lake, marks 

 the position of the upper Spirifer Icsvis zone of the Portage. 

 Very few fossils besides ►S. Icevis were found; they consist prin- 

 cipally of fragments of Goniatites sp., crinoid stems, Orthoceras 

 bebryx var. cayuga, and Glossites depressusf 



Station 2. — In the Ithaca shale, 50 feet above Station r, the 

 following fauna was found: Liimdicardium fragile o., Leptodesma 

 sociale a, Leiorhynchus mesacostalis, Goniatites discoidetcs, Lingula 

 complanata. 



Station j. — 95 feet above Station i, the following fauna oc- 

 curs: Leiorhynchus mesacostalis, Lingula complanata, Loxonema 

 sp. , ProduBella speciosa, Chonetes scitula, Orthoceras pecator, Lep- 

 todesma sociale. 



Station 4.. — 195 feet above Station /, the following species oc- 

 cur: Plejirotomaria capillaria, Spirifer mesacostalis, Modiomorpha 

 subalata var. chemtingensis, Grammysia subarcuata, Palceoneilo 

 plana, Produn:ella speciosa, Rhynchonella eximia, Leiorhynchzis 

 mesacostalis. 



Station 5. — Plumulina plumaria occurs at this point, 220 feet 

 above Station i, in a single stratum, in great abundance. Asso-' 

 ciated with it are Rhy7icho7iella eximia. Crania sp. , Spirifer mes- 

 acostalis, and Amboccelia umbonata. 



Statio7is 6 & 7. — 235 -feet above Station i, the following fauna 

 occurs: Rhy?ichonella stephani, R. eximia, ABinopteria sp., Gom- 

 phoceras tumidum, Euomphalus sp?, Amboccelia umboyiata, Pleuro- 

 tomaria s^., Chonetes setigera. 



Section X, Newfield Creek. 



The exposures of the Newfield sedtion occur along the gorge 

 of Newfield creek. The se(5lion begins in the Ithaca group 

 rocks and extends through them to the unfossiliferous flags and 

 shales above. From the last station of this se(5lion, which is 

 350 feet above the Inlet valley, to the tops of the hills which 

 rise 700 feet above the valley, the flags and shales appear to be 

 entirely barren of fossils. 



Station i. — At the foot of the cascade at the lower end of 

 the gorge, the rock is an arenaceous, shelly sandstone. The 



