TYPE SPECIMENS OF PALEOZOIC FOSSILS 297 



Rhipidomella alsa Hall 



jg 2 g fiiai. type: plastotype Orthis alsus Hall. 16th annual 

 report of the New York state cabinet of natural history. 

 1863. p. 33. 



Hall. Paleontology of New York. 1867. v. 4, pi. 4, 



fig. 2. 



Schoharie grit Albany county, N.Y. 



1830 - §J ^ J - type Hall. Paleontology of New York. 1867. v. 4, 



pl. 4, fig- 3- 



Schoharie grit Clarksville, Albany co, N. Y. 



C. Van Deloo, coll. 1862 



1831 -S- 3 ^- 1 - type Hall. Paleontology of New York. 1867. v. 4, 



pl. 4, fig. 4. 



Schoharie grit Clarksville N. Y. 



R. P. Whitfield and C. Van Deloo, coll. 1861 



1832 gl 4 9 * type Hall. Paleontology of New York. 1867. v. 4, 



pl. 4, fig- 5- 



Schoharie grit Albany county, N. Y. 



*&33 SA 6 JL TYPE Hall. Paleontology of New York. 1867. v. 4, pl. 4, 

 fig. 6. 



Schoharie grit Albany county, N. Y. 



C. Van Deloo, coll. 1862 



1834 - 8 *,. 9 x type Hall. Paleontology of New York. 1867. v. 4, pl. 4, 



fig- 7- 



Schoharie grit Clarksville N. Y. 



R. P. Whitfield and C. Van Deloo, coll. 1861 

 Rhipidomella cleobis Hall 



1835 v ^£ type Orthis cleobis Hall. 16th annual report of 



the New York state cabinet of natural history. 1863. p. 35. 



Hall. Paleontology of New York. 1867. v. 4, pl. 5, 

 fig. 9. 



Onondaga limestone Clarence, Erie co. N. V. 



Rhipidomella hybrida Sowerby (sp.) 

 183C a ',"'• hypotype Orthis hybrida Sowerby. Murchison's 

 Silurian system. 1839. p. 630. 



Beecher & Clarke. New York Mate museum memoir i. 

 1889. pl. 1, fig. 13, 13a. 

 Niagararj Waldron End, 



C. 1). Walcott and ('. Van Deloo. eoll. 1S7S 



