30 Bulletin 6 30 



Section VIII, Glenwood. 



The Glenwood sedlion includes 385 feet of strata exposed b}' 

 the stream entering the lake at Glenwood. The secflion begins 

 in the Genesee shale and ends in the lower part of the Ithaca 

 group. No colle(5ling was done in the lower part of the seAion, 



Station i. — Just below the railroad, 170 feet above the lake. 



The following charadteristic lower Portage species were ob- 

 tained here: Glyptocardia speciosa a, PalcBoneilo constidfta, Gonia- 

 tites sinuosus, Orthoceras sp. , Amboccelia u^nbonata. 



Station 2. — 210 feet above the lake. 



The upper Spirifer Icsvis zone was found at this point. The 

 fauna obtained here is as follows: Spirifer Icevis a, Orthoceras sp., 

 Leda diversa, Pliunulina phimaria, Palcsoneilo brevis, Lunulicar- 

 dium fragile, Aulopora sp., Lingiila sp., Chonetes lepida, Gram- 

 my sia subarcuata, Goniatites sp. , Schizodus sp? 



Station j. — 260 feet above the lake. 



The Lingula shale here contain abundant specimens of the 

 following species: Lingula complanata, L. punctata, Leiorhynchits 

 niesacostalis, ProduBella speciosa, Psilophyton princeps. 



Station 4.. — 360 feet above the lake. 



This station is above the Ithaca shale in the lower part of 

 the Ithaca group. It is remarkable for the great abundance of 

 the species which occur in the sandy shales, and for the presence 

 of Phacops rana in abundance in a single layer. The list of fos- 

 sils obtained is as follows: Chonetes scitula a, C. setigera a, C. 

 lepida c, Amboccelia imibonata c, Leiorhyrichus niesacostalis a, Glos- 

 sites depressus, Modiomorpha subalata var. chemzmgensis, Gram- 

 Tnysia subajxuata, Lingula co^nplayiata , Palceoneilo constrifta, Po- 

 teriocrinus s^., Rhynchonella exitnia, Comilai^ia congregata, Stiilo- 

 pora meeki. Crania hamiltonice c, Lepidodendron sp. , Mesothyra sp? 



Station 5. — 385 feet above the lake. 



The species noted at this station are Prodtinella speciosa, Am- 

 boccelia um,bonata, Orthoceras sp., Microdon gregarius, Modiomor- 

 pha subalata var. chemtmgensis. 



Section IX, Renwick Brook. 



This se(5lion is located about ^ mile north of the southeast 

 corner of the lake. The vertical secftion studied here is about 

 250 feet in thickness, beginning below the upper Spirifer Icevis 



