24 NEW YORK STATE MUSEUM 



Hydnoceras tuberosum Hall & Clarke. New 

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



Chemung beds Near Addison N. Y. 



114 ?j ^- HYPOPLASTOTYPE Hall & Clarke. New York state museum 

 memoir 2. 1898. pi. 2, fig. 5. 



Chemung beds Brown hill, near Cohocton N. Y. 



IX 5 3^ HYPOTYPE Hall & Clarke. New York state museum 

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



Chemung beds Brown hill, near Cohocton N. Y. 



C. VanDeloo, coll. 1886 



116 2*. HYPOTYPE Hall & Clarke. New York state museum 

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



Chemung beds. Brown hill, near Cohocton N. Y. 



Ward and Howell purchase 



ri y 2-2^2. HYPOTYPE Hall & Clarke. New York state museum 

 memoir 2. 1898. pi. 3, fig, 4. 



Chemung beds Brown hill, near Cohocton N. Y. 



Ward and Howell purchase 



118 H HYPOTYPE Hall & Clarke. New York state museum 



memoir 2. 1898. pi. 5, fig. 3. 



Chemung beds Brown hill, near Cohocton N. Y. 



Ward and Howell purchase 



119 zzf-s. HYPOTYPE: HYPOPLASTOTYPE Hall & Clarke. New York 



state museum memoir 2. 1898. pi. 5, fig. 4. 



Chemung beds Brown hill, near Cohocton N. Y. 



120 ^- a HYPOTYPE Hall & Clarke. New York state museum 



memoir 2. 1898. pi. 7, fig. 2. 



Chemung beds Brown hill, near Cohocton N. Y. 



121 ^^P- HYPOTYPE Hall & Clarke. New York state museum 



memoir 2. 1898. pi. 8, fig. 2. 



Chemung beds Brown hill, near Cohocton N. Y. 



Hydnoceras variabile Hall & Clarke 



j 22 ia^s-a TYPE : PLASTOTYPE Hydnoceras variabile Hall 

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

 p. 108, pi. 36, fig. i. 



Lower Chemung beds Deyo basin, Naples N. Y 



D. D. Luther, coll. 



123 33 TYPE Hall & Clarke. New York state museum 

 memoir 2. 1898. pi. 37, fig. 5. 



Lower Chemung beds Deyo basin, Naples N. Y. 



D. D. Luther, coll. 



