TYPE SPECIMENS OF PALEOZOIC FOSSILS 31 



Prismodictya narthecia Hall & Clarke 

 164 24 x 91 plastotype Prismodictya narthecia Hall & 

 Clarke. New York state museum memoir 2. 1898. 



Chemung beds Scio N. Y. 



Prismodictya palaea Hall & Clarke 

 j 65 2 \ 92 type: plastotype Prismodictya palaea Hall 

 & Clarke. New York state museum memoir 2. 1898. 



P-69.pl. 33, fig- 2. 



Portage beds Naples N. Y. 



D. D. Luther, coll. 1896 



Prismodictya parallela Hall (sp.) 



166 £±2J. plastotype Dictyophyton parallelum Hall. 



35th annual report of the New York state museum of 

 natural history. 1884. p. 471. 



Prismodictya parallela Hall & Clarke. New 

 York state museum memoir 2. 1898. pi. 19, fig. 4. 



Chemung beds Southwestern New York 



Prismodictya prismatica Hall (sp.) 



167 *y* hypotype Dictyophyton prismaticum Hall. 



35th annual report of the New York state museum of 

 natural history. 1884. p. 469. 



Prismodictya prismatica Hall & Clarke. 

 New York state museum memoir 2. 1898. pi. 21, fig. 1. 



Chemung beds Concord station Pa. 



168 ■ 2 - 1 2 ^ 4 - hypotype Hall & Clarke. New York state museum 



memoir 2. 1898. pi. 21, fig. 3. 



Chemung beds Concord station Pa. 



169 *4fA hypotype Hall & Clarke. New York state museum 



memoir 2. 1898. pi. 21, fig. 4. 



Chemung beds Concord station Pa. 



170 2-^-^ hypotype Hall & Clarke. New York state museum 



memoir 2. 1898. pi. 21, rig. 6. 



Chemung beds Concord station Pa. 



1 7 1 *¥ A hypotype: hypoplastotype Prismodictya cf. 



prismatica Hall & Clarke. New York state museum 

 memoir 2. 1898. pi. 42, fig. 6. 



Lower Chemung beds Italv N. Y. 



