458 



NEW YORK STATE MUSEUM 



2832 hypotype Hall. Paleontology of New York. 1883 



v. 5, pt 1, plates and explanations, pi. 31, fig. 8. 



Hall. Paleontology of New York. 1883. v. 5, pt 1, 

 pi. 31, fig. 8. 



Hamilton beds Bellona, Yates co. N. Y. 



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



2833 ^f 3 - hypotype Hall. Paleontology of New York. 1884. 



v. 5, pt 1, pi. 87, fig. 8. 



Hamilton beds York, Livingston co. N. Y. 



C. Van Deloo, coll. 1865 



Mytilarca pyramidata Hall 



2834 9 \ 57 type Mytilarca pyramidata Hall. Paleontology 



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

 pi. 80, fig. 1, 2. - 



Hall. Paleontology of New York. 1885. v. 5, pt 1, 

 pi. 80, fig. 1, 2. 



Schoharie grit Schoharie county, N. Y. 



J. Gebhard purchase 



2835 TYPE Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 80, fig. 3. 



Hall. Paleontology of New York. 1885. v. 5, pt 1, 

 pi, 80, fig. 3. 



Schoharie grit Schoharie county, N. Y. 



J. Gebhard purchase 

 Mytilarca r a d i a t a see Byssopteria radiata 

 Mytilarca simplex Hall 



2836 type Mytilops (Modiola) simplex Hall. Pale- 



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

 explanations, pi. 33, fig. 19. 



Mytilarca simplex Hall. Paleontology of New 

 York. 1884. v. 5, pt 1, pi. 33, fig. 19. 



Chemung beds West of Smethport Pa. 



C. Van Deloo, coll. 1870 



2837 -^f- type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 33, fig. 21. 



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

 pi. 33, fig. 21. 



Chemung beds - West of Smethport Pa. 



C. Van Deloo, coll. 1870 

 Mytilops ( M o d i o 1 a ) 1 a t a see Mytilarca lata 

 Mytilops ( M o d i o 1 a ) m e t e 1 1 a see Modiola 

 (Mytilops) metella 



