TYPE SPECIMENS OF PALEOZOIC FOSSILS 25 



hydriodictya Hall & Clarke 

 Hydriodictya cylix Hall & Clarke 



124 2-S^ plastotype Hydriodictya cylix Hall & 



Clarke. New York state museum memoir 2. 1898. 

 p. 78, pi. 16, fig. 2. 



Chemung beds Deyo basin, Naples N. Y. 



D. D. Luther, coll. 

 Hydriodictya nephelia Hall & Clarke 



125 2-3.4A plastotype Hydriodictya n eph e 1 i a Hall & Clarke. 



New York state museum memoir 2. 1898. p. 79, 

 pi. 21, fig. 10. 



Chemung beds Scio N. Y. 



Hydriodictya patula Hall (sp.) 



126 a \** type D i c t y o ph y ton p a tulu m Hall. 35th annual 



report of the New York state museum of natural history. 

 1884. p. 469. 



Hydriodictya patula Hall & Clarke. New 

 York state museum memoir 2. 1898. pi. 4, fig. 1. 



Chemung beds Brown hill, near Cohocton N. Y. 



Ward and Howell purchase 



hyphantaenia Vanuxem 

 Hyphantaenia chemungensis .Vanuxem (sp.) 



127 8 yp type Uphantenia chemungensis Vanuxem. 



Geology of New York; report on the 3d district. 1842. 

 p. 183, fig. 50. 



Uphantaenia chemungensis Hall. 16th an- 

 nual report of the New York state cabinet of natural 

 history. 1863. Figure on p, 86. 



Hyphantaenia chemungensis Hall & Clarke. 

 New York state museum memoir 2. 1898. pi. 28, fig. 2. 



Chemung beds Near Owego, Tioga co. N. Y. 



128 -A! 1 "- hypotype: hypoplastotype Hall & Clarke. New York 



state museum memoir 2. 189S. pi. 28, fig. 1. 



Chemung beds Near Owego, Tioga CO. \ Y. 



s. W. Adamy pun base 



129 '•.'" hypoplastotype Hall & Clarke. New York state museum 



memoir 2. 1898. pi. 45, fig. 1. 



Chemung beds Union township, Broome co. X. Y. 



