526 NEW YORK STATE MUSEUM 



Trinucleus concentricus, Hall, cc 

 Ceratocepliala (Acidaspis) trentonensis, Hall, rr 

 Lepidocoleus jamesi, Hall & Whitfield sp. r 

 Pollicipes siluricus sp. n. q 



Station 10. East shore of Green Island 



Nearly the same fauna was found in dark gray, fissile argilla* 

 ceous shales, outcropping at the water edge along the east shore 

 of Green Island a quarter of a mile below the state dam. The 

 fauna of these shales consists of: 



Diplograptu® foliaceus, Murchison, r 



Climacograptus typicalis, Hall, r 



Corynoides curtus, Nicholson, r 



Pholidops subtruncata, Hall, r 



Dalmanella testudinaria, Dalnian sp. cc 



Plectorthis plicatella, Hall, c 



Plectambonites sericea, Sowerhy sp. cc 



Kafinesquina alternata, Emmons sp. c 



M'urchisonia (Lophospira) uniangulata var. abbreviata, Hall, f 



Lophospira bicincta, Hall sp. r 



Archinacella patelliformis, Hall sp. c 



Clionychia sp. n. rr. 



Oleidophorusi planulatus, Hall, cc 



Modiolopsis faba, Hall, c , „ 



Oameroceras proteif orme, Hall, r 



Triarthus becki, Green sp. r 



Calymmene senaria, Conrad, r 



Cyphaspis sp. rr 



Trinucleus concentricus, Hall, cc 



Ctenobolbina ciliata, Emmons ®p. c 



O. ciliata var. conuta var. n. c 



Lepidocoleus jamesi, Hall & Whitfield sp. r 



A comparison of these two faunas from Green Island with that 

 discovered by Dr Beecher near the Dudley observatory at Albany 

 proves their identity. Dr Beecher considered this fauna as being 



