Report of the State Geologist, 273 



Kiioula RandalUy Hall. 



A little farther up the brook the shales are finer, more argillaceous 

 and contain a larger number of fossils. 



The fauna of No. 500. E^ is: 



Ambocoelia umbonata, Conrad: 



Tropidoleptus carinatus, Conrad. 



Rhynchonella poUfica, Hall. 



Spirlfer mucronatus, Conrad. 



Crammysia, sp. 



Homalonotus DeKayi, Green. 



501. C. Exposures along the outlet of the "Lake Swamp "in the 

 southwestern part of Brookfield. At the foot of the falls are 6' of 

 argillaceous shales (C^) in which Tropidoleptus carinatus, Conrad, 

 occurs. Above these argillaceous shal^is are 24' of coarse arenaceous 

 shales, which form the falls. Fossils are not common, but the follow- 

 ing species were obtained in No. 501 C^: 



Tropidoleptus carinatus, Conrad . 



Spirifer medialis, Hall. 



Amhocoelia umbonata^ Conrad. 



Chonetes coronata, Conrad. 



Chonetes deflecta^ Hall (?). 



Paloeoneilo constricta, Conrad. 



Nuculites oblongatus, Conrad. 



Grammy sia bisulcata, Con. (?). 



Homalonotus DeKayi, Green. 



Dalmanites sp., border of pygidium. 



From the arenaceous shales above the falls (C^) the following species 

 were obtained: 



Ambocoelia umbonata, ConY2idi . 



Chonetes scitula, Hall. 



Spirifer mucronatus, Conrad. 



Chonetes coronata, Conrad. 



Chonetes deflecta, Hall (?). 



(?) Crypjtonella planirostra, Hall. 



Nucula bellistriata^ Conrad. 



Pakeoneito constricta, Conrad. 



Nuculites oblongatus, Conrad. 



Knciilites triqueter, Con. (?). 



Grammysia sp. 



Pleurotomaria capillaria, Con. (?). 



Loxonema delphicola, Hall (?). 



