TYPE SPECIMENS OF PALEOZOIC FOSSILS 351 



2184 a ^ i hypotype Hall. Paleontology of New York. 1883. 



v. 5, pt i, plates and explanations, pi. 19, fig. 27. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pi. 19, fig. 27. 



Hamilton beds Cazenovia N. Y. 



J. Hall, coll. 1862 



Actinopteria communis Hall (sp.) 



2185 9QQ2 HYPOTYPE: HYPOPLASTOTYPE Avicula Communis 



Hall. Paleontology of New York. 1859. 3:286. 



Actinopteria communis Clarke. New York 

 state museum memoir 3. 1900. pi. 4, fig. 1. 



Oriskanian Becraft mountain, Hudson N. Y. 



2186 9< y 2 hypotype: hypoplastotype Clarke. New York state 



museum memoir 3. 1900. pi. 4, fig. 2. 



Oriskanian Becraft mountain, Hudson N. Y. 



Actinopteria decussata Hall 



2187 SAp-2- hypotype Avicula decussata Hall. Geology of 



New York; report on the 4th district. 1843. p. 203. 



Actinopteria decussata Hall. Paleontology 

 of New York. 1883. v. 5, pt 1, plates and explanations. 

 pi. 17, fig. 24. 



Hall. Paleontology of New York. 1884. v. 5, pt 1. 

 pi. 17, fig. 24. 



Hamilton beds Dresden, Yates co. N. Y. 



C. A. White and C. Van Deloo, coll. i860 



2188 AO jP- hypotype Hall. Paleontology of New York. 1883. 



v. 5, pt 1, plates and explanations, pi. 17, fig. 28. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pi. 17, fig. 28. 



Hamilton beds Canandaimia lake, N. Y. 



C. A. White and C. Van Deloo, coll. i860 



2 1 89 "".,"• hypotype Hall. Paleontology of New York. 1883. 



v. 5, pt 1, plates and explanations, pi. 18, fig. 2, 9. 



Hall. Paleontology of New York. 1884. v. 5. pt 1. 

 pi. 18, fig. 2, 9. 



Hamilton bed-, York V Y. 



('. A. White and ('. Van Deloo, coll. [860 



