230 



NEW YORK STATE MUSEUM 



1366 - L ^ JL hypoplastotype Hall & Clarke. Paleontology of New 



York. 1892. v. 8, pt i, pi. 4B, fig. 16. 



Niagaran Near Le Claire la. 



1367 74 3 20 hypoplastotype Hall & Clarke. Paleontology of New 



York. 1892. v. 8, pt 1, pi. 4B, fig. 17. 



Niagaran Near Le Claire la. 



1368 7 ^ 20 hypoplastotype Hall & Clarke. Paleontology of New 



York. 1892. v. 8, pt 1, pi. 4B, fig. 20. 



Niagaran Near Le Claire la. 



1369 - 7 - i ^- s hypoplastotype Hall & Clarke. Paleontology of New 



York. 1892. v. 8, pt 1, pi. 4B, fig. 2i. 



Niagaran Near Le Claire la.. 



D i s c i n a sp. ? see Orbiculoidea media var. 

 Discina alleghania see Orbiculoidea allegania 

 D i s c i n a d o r i a see Orbiculoidea doria 

 Discina grandis see Roemerella grandis 

 Discina lodensisj^ Orbiculoidea lodensis 

 Discina manhattanensis see Orbiculoidea man - 



hattanensis 



Discina marginalis see Orbiculoidea marginalis 

 Discina media see Orbiculoidea media 

 Discina neglecta sec Orbiculoidea neglecta 

 Discina newberryi see Orbiculoidea newberryi 

 Discina randalli see Orbiculoidea randalli 

 Discina tullia see Orbiculoidea tullia 



discinopsis Matthew 

 Discinopsis gulielmi Matthew 



1370 74 ! 30 hypoplastotype Acrotreta? gulielmi Matthew. 



Transactions of the Royal society of Canada. 1886, 3:37. 



Discinopsis gulielmi Hall & Clarke. Pale- 

 ontology of New York. 1892. v. 8, pt 1, pi. 3, fig. 22. 



St John group Portland N. B. 



douvillina Oehlert 

 Douvillina cayuta Hall 

 37 1 7 V° hypotype: hypoplastotype Strophodonta cayuta 

 Hall. Paleontology of New York. 1867. 4:110. 



Douvillina cayuta Hall & Clarke. Paleontology 

 of New York. 1892. v. 8, pt 1, pi. 15B, fig. 7. 



Chemung beds Lawrenceville, Tioga co. Pa. 



A. Sherwood, coll. 187 1 



