TYPE SPECIMENS OF PALEOZOIC FOSSILS 303 



1864 A^fl. HYPOTYPE Beecher & Clarke. New York state museum 



memoir i. 1889. pi. 4, fig. 19, i9a. 



Niagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 



1865 &2-$- HYPOTYPE Beecher & Clarke. New York state museum 



memoir i. 1889. pi. 4, fig. 20, 2oa. 



Niagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 



1866 -8-^a HYPOTYPE Beecher & Clarke. New York state museum 



memoir i. 1889. pi. 4, fig. 21, 2ia. 



Niagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 



1867 -S-^p. HYPOTYPE Beecher & Clarke. New York state museum 



memoir i. 1889. pi. 4, fig. 22, 22a. 



Hall & Clarke. Paleontology of New York. 1894. 

 v. 8, pt 2, pi. 56, fig. 38. 



Niagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 



1868 &%?. HYPOTYPE Beecher & Clarke. New York state museum 



memoir i. 1889. pi. 8 (series of 20 growth stages). 

 Niagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 



ROEMERELLA Hall & Clarke 



Roemerella grandis Vanuxem (sp.) 



1869 -S-^sji TYPE Orbicula grandis Vanuxem. Geology of New 



York; report on the 3d district. 1842. p. 152, fig. 4. 



Discina grandis Hall. Paleontology of New 

 York. 1867. v. 4, pi. i, fig. i8b. 



Roemerella grandis Hall & Clarke. Paleontology 

 of New York. 1892. v. 8, pt i, pi. 4E, fig. 30. 



Hamilton beds Cazenovia N. Y. 



L. Vanuxem coll. 

 ROMINGERINA Hall & Clarke 



Romingerina Julia A. Winchell (sp.) 



1870 &* HYPOTYPE Centronella julia A. Winchell. Pro- 



ceedings of the Academy of natural sciences of Phila- 

 delphia. 1862. p. 405, 



Romingerina julia Hall & Clarke. Paleontology 

 of New York. 1894. v. 8, pt 2, pi. 79, fig. 28. 



Marshall group Pointe aux Barques Mich. 



