TYPE SPECIMENS OF PALEOZOIC FOSSILS 489 



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

 pi. 78, fig. 4. 



Hamilton beds Delphi, Onondaga co. N. Y. 



G. B. Simpson, coll. 1871 



Phthonia lirata Hall 



3007 A^p type:plastotype Phthonia 1 i r a t a Hall. Paleon- 



tology of New York. 1883. v. 5, pt 1, plates and explan- 

 ations, pi. 78, fig. 14. 



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

 pi. 78, fig. 14. 



Hamilton beds Cayuga lake, N. Y. 



H. H. Smith, coll. 1871 



Phthonia nodicostata Hall 



3008 up*- type Phthonia nodicostata Hall. Preliminary 



notice of lamellibranchiate shells, pt 2. 1870. p. 71. 



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

 plates and explanations, pi. 78, fig. 5. 



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

 Pi- 78, fig. 5. 



Hamilton beds Canandaigua lake, N. Y. 



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



3009 up- type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 78, fig. 7, 9. 



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

 pi. 78, fig. 7, 9. 



Hamilton beds Canandaigua lake, N. Y. 



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



3010 ^.p type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 78, fig. 8. 



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

 pi. 78, fig. 8. 



Hamilton beds Ca>ii£a lake, N. V. 



C. A. White, coll. 1S60 

 Phthonia sectifrons Conrad (sp ) 

 3°« ' hypotype Cypric a r di tes sect ifrons Conrad. 



Journal of the Academy of natural sciences of Philadel- 

 phia. 1842, 8: 245. 



Phthonia sectifrons Hall. Paleontology of 

 New York. 1883. v. 5, pt |, plates and explanation 

 pi. 78, fig, 12. 



