22 NEW YORK STATE MUSEUM 



Hydnoceras barroisi Hall & Clarke. New York 

 state museum memoir 2. 1898. p. 147, pi. 46, fig. 3, 4. 

 Psammites du Condroz Jeumont, Brittany 



(upper Devonic) 



Hydnoceras bathense Hall & Clarke 

 99 — 1-- type Hydnoceras bathense Hall & Clarke. 

 New York state museum memoir 2. 1898. p. 101, pi. 3, 



fig- 3- 



Chemung beds Jenks quarry, Bath N. Y. 



100 --^a— type: plastotype Hall & Clarke. New York state 



museum memoir 2. 1898. pi. 8, fig. 4. 



Chemung beds Jenks quarry, Bath N. Y. 



C. Van Deioo, coll. 1886 



10 1 -^3-- plastotype Hall & Clarke. New York state museum 



memoirs. 1898. pi. 9, fig. 1. 



Chemung beds Jenks quarry, Bath N. Y. 



Hydnoceras botroedema Hall & Clarke 



102 2&2LS. type Hydnoceras botroedema Hall & Clarke. 



New York state museum memoir 2. 1898. p. 102, pi. z 



fig. 4. 



Chemung beds Irish hill, near Bath N.Y.. 



Hydnoceras eutheles Hall & Clarke 

 IC> 2 Mil type Hydnoceras eutheles Hall & Clarke. 

 New York state museum memoir 2. 1898. p. 105, pi. 8, 



fig- 5- 



Chemung beds Cotton hill, near Avoca N. Y. 



104 2323 type: plastotype Hall & Clarke. New York state 



museum memoir 2. 1898. pi. 8, fig, 6. 



Chemung beds Cotton hill, near Avoca N. Y. 



IO £ 2.3^2.3. type Hall & Clarke. New York state museum memoir 2. 



1898. pi. 33» fi g-7- 



Portage beds Varysburg N. Y. 



D. D. Luther, coll. 1897 



Hydnoceras gracile Hall & Clarke 



10 6 2.^a type Hydnoceras gracile Hall & Clarke. New 



York state museum memoir 2. 1898. p. 70, pi. t,^, fig-3- 



Portage beds Varysburg N. Y. 



D. D. Luther, coll. 1897 



