TYPE SPECIMENS OF PALEOZOIC FOSSILS 23 



107 ^-- type Hall & Clarke. New York state museum memoir 2. 



1898. pi. 33, fig. 4. 

 Portage beds Varysburg N. Y. 



D. D. Luther, coll. 1897 

 Hydnoceras legatum Hall & Clarke 



108 2 'Y 5 type: plastotype Hydnoceras legatum Hall & 



Clarke. New York state museum memoir 2. 1898, 

 p. 69, pi. 33 , fig. 5. 



Portage beds Naples N. Y. 



D. D. Luther, coll. 1897 



109 2 3 2 2 5 type Hall & Clarke. New York state museum memoir 2. 



1898. pi. 33 , fig. 6. 



Portage beds Varysburg N. Y. 



D. D. Luther, coll. 1897 

 Hydnoceras lutheri Hall & Clarke 

 no ^-Sj 2 -^ plastotype Hydnoceras lutheri Hall & Clarke. 

 New York state museum memoir 2. 1898. p. 106, pi. 8, 

 fig. 10. 



Lower Chemung beds Segur's gully, Italy N. Y. 



D. D. Luther, coll. 1897 

 Hydnoceras multinodosum Hall & Clarke 

 in - 2 -2 i 2 -^ type : plastotype Hydnoceras multi no dosum 

 Hall & Clarke. New York state museum memoir 2. 

 1898. p. 106, pi. 39, fig. 1. 



Chemung beds Cotton hill, near Avoca N. Y. 



Hydnoceras nodosum Hall 

 II3 2^2j. p LAST otype Dictyophyton nodosum Hall. 16th 

 annual report of the New York state cabinet of natural 

 history. 1863. p. 91, pi. 3, fig. 2. 



Hydnoceras nodosum Hall & Clarke. New 

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



Chemung beds Cattaraugus co. N. Y. 



Hydnoceras tuberosum Conrad 

 113 28 ! 2ff plastotype 1 1 v (1 ii o c e r a s t u 1) e r o s u 111 Conrad. 

 Journal of the Philadelphia academy of natural sciences. 

 1K42. 8 : 267, pi, [6, fig. 1. 



Dictyophyton tuberosum Hall. [6th annual 

 report of the New York state cabinet of natural history. 

 I<s6 3- pl. 3» n 8- '• 



