TYPE SPECIMENS OF PALEOZOIC FOSSILS 



23 



107 2 3 2 2 * 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 28 1 2B 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 • 2 -^ i 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 - 3 i 2 -i type : plastotype Hydnoceras multinodosum 

 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 

 112 23 1 28 plastotype 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 

 j 2 3^2 9 plastotype Hydnoceras tuberosum Conrad. 



Journal of the Philadelphia academy of natural sciences. 

 1842. 8 : 267, pi. 16, fig. 1. 



Dictyophyton tuberosum Hall. 16th annual 

 report of the New York state cabinet of natural history. 

 1863. pi. 3, fig. 1. 



