TYPE SPECIMENS OF PALEOZOIC FOSSILS 527 



Hall. Paleontology of New York. 1879. v. 5, pt 2, 

 pi. 22, fig. 19. 



Hamilton shales Canandaigua lake, N. Y. 



R. P. Whitfield and C. Van Deloo, coll. 1862 



3236 -1&J-1-2- hypotype Hall. Illustrations of Devonian fossils. 1876. 



Gasteropoda, pi. 23, fig. 3. 



Hall. Paleontology of New York. 1879. v. 5, pt 2, 

 pi. 22, fig. 18. 



Hamilton beds Sherburne, Chenango co. N. Y. 



3237 1 Q g* g hypotype Hall. Illustrations of Devonian fossils. 1876. 



Gasteropoda, pi. 23, fig. 6, 7. 



Hall. Paleontology of New York. 1879. v. 5, pt 2, 

 pi. 22, fig. 17, 26. 



Hamilton shales Canandaigua lake, N. Y. 



3238 J-2-J-^- hypotype Hall. Illustrations of Devonian fossils. 1876. 



Gasteropoda, pi. 23, fig. 9. 



Hall. Paleontology of New York. 1879. v. 5, pt 2, 

 pi. 22, fig. 28. 



Hamilton shales Cayuga lake, N. Y. 



H. H. Smith, coll. 1871 



3 2 39 XSL ^ 1 - hypotype Hall. Illustrations of Devonian fossils. 1876. 



Gasteropoda, pi. 23, fig. 10. 



Hall. Paleontology of New York. 1879. v. 5, pt 2, 

 pi. 22, fig. 27. 



Hamilton shales Cayuga lake, N. Y. 



H. H. Smith, coll. 1871 



3240 -L££J-£ hypotype Hall. Illustrations of Devonian fossils. 1876. 



Gasteropoda, pi. 23, fig. 1. 



Hall. Paleontology of New York. 1879. v. 5, pt 2, 

 pi. 22, fig. 20; pi. 26, fig. 12. 



Hamilton shales Cayuga lake, N. Y. 



H. H. Smith, coll. 187 1 

 32.11 i^S~L2 hypotype Hall. Paleontology of New York. 1879. 

 v. 5, pt 2, pi. 22, fig. 22. 



Hamilton shales Onondaga county, X. Y. 



C. Van Deloo and H. II. Smith, coll. 1874 

 3242 ±&%±1 hypotype Hall. Paleontology of New York. 1S79. 

 v. 5, pt 2, pi. 22, fig. 23, 29. 



Hamilton shales Delphi N. Y. 



C. Van Deloo and 11. H. Smith, coll. 1873 



