TYPE SPECIMENS OF PALEOZOIC FOSSILS 505 



3104 *ig TYPE Hall. Paleontology of New York. 1883. v. 5, 



pt i, plates and explanations, pi. 22, fig. 26. 



Hall. Paleontology of New York. 1884. v. 5, pt i, 

 pi. 22, fig 26. 



Chemung beds Randolph, Cattaraugus co. N. Y. 



C. Van Deloo, coll. 1863 



3105 *^-i TYPE Hall. Paleontology of New York. 1883. v. 5, 



pt i, plates and explanations, pi. 22, fig. 27. 



Hall. Paleontology of New York. 1884. v. 5, pt i, 

 pi. 22, fig. 27. 



Upper Chemung (?) beds Olean, Cattaraugus co. N. Y. 



C. Van Deloo, coll. 1863 



Pteronitessubdecussata see Actinopteria sub- 

 decussata 



PTYCHOPTERIA Hall 



Ptychopteria alata Hall 



3 1 06 2.f-Q- TYPE ? Ptychopteria alata? Hall. Paleontology of 



New York. 1883. v. 5, pt i, plates and explanations, 

 pi. 23, fig. 21. 



? Hall. Paleontology of New York. 1884. v. 5, pt i, 

 pi. 23, fig. 21. 



Chemung (?) beds Salamanca N. Y. 



R. P. Whitfield, coll. 1869 



TYPE? ? Hall. Paleontology of New York. 1883. v. 5, 

 pt i, plates and explanations, pi. 23, fig. 22. 



? Hall. Paleontology of New York. 1884, v. 5, 

 pt i, pi. 23, fig. 22. 



Chemung (?) beds Salamanca N. Y. 



R. P. Whitfield, coll. 1869 



TYPE Ptychopteria alata Hall. Paleontology of 

 New York. 1883. v. 5, pt i, plates and explanations, 

 pi. 23, fig. 25. 



Hall. Paleontology of New York. 1884. v. 5, pt i , 

 pi. 23, fig. 25. 



Chemung (?) beds Salamanca N. Y. 



R. P. Whitfield, coll. 1869 



SJ>_o TYPE Hall. Paleontology of New York. 1883. v. 5,, 

 pt i, plates and explanations, pi. 23, fig. 26. 



Hall. Paleontology of New York. 1884. v. 5, pt i, 

 pi. 23, fig. 26. 



Chemung (?) beds Salamanca N. Y. 



R. P. Whitfield, coll. 1869 



