H 



Go from Cherry creek to Charlotte Center and see huge 

 boulders of Charlotte conglomerate. Its fauna is practically the 

 same, as that of the brownish sandstone at Alfred. Visit Portage 

 rocks in Canadaway creek gorge. 



Elmixa. — Rocks: Grayish and greenish gray sandstone and 

 shale, often calcareous. 



Exposures: Quarries on East hill, especially H. G. Piatt's. 



Fossils: Spirifer disjunctuSy('&']), Sp. mesacostalis (40), Schiz- 

 ophoria impressa (52-53), A m bocoelia u m bona ta ( 1 08 - 1 09 ) , Pro- 

 ductella speciosa (46), Sckizophoria tioga (111), Stropheodonta cay- 

 uta (115), Orthothetes chemungensis (116), Pterinea chemungensis 

 (67), Atrypa reticularis (54), Atrypa aspera (101), Spathella typ- 

 ica (25), Leptodesma, fossil wood. 



Visit cliffs up Chemung river west from the city. 



Porestville. — Rocks: Black and iron-stained shale, with cal- 

 careous concretions. 



Exposures: Walnut creek, 30 ft. below R. R. and about 10 

 rods down the creek. A typical western New York 

 Portage fauna: Platyceras, Palceoneilo constricta (13), 

 PrcBcardium venustum, Leptodesma, Eoxonema, Bellero- 

 phon y Orthoceras, Goniatites, 2 species, Chonetes scitula 

 (50), crinoid stems, and sea- weed (Eucoides velum). 



See fold in rocks 6 rods north of R. R. culvert. About 20 

 rods above culvert, fissile blue-green shale with concretions (sep- 

 taria). Fossils as above. 



Little ravine 2 /i mile south of tannery contains in layers Pro- 

 ductellcE in abundance. 



Visit lake shore and break up all calcareous concretions for 

 fossils. 



Fredonia. — Rocks: Light and dark gray shale; sandstone to 

 the south of Laona at water- works. 



Exposures: Lake shore, Portage shale. Portage sandstone 

 to the south of Laona. Chemung arenaceous shales on 

 the hillside at Alden's quarry, ^ mile west of Cassadaga 

 lake. Visit cuts on D. A. V. & P. R. R. 



