TYPE SPECIMENS OF PALEOZOIC FOSSILS ' 525 



Hall. Illustrations of Devonian fosssils. 1876. Gaster- 

 opoda, pi. 24, fig. 2. 



Hall. Paleontology of New York. 1879. v * 5' P* 2 > 

 pi. 23, fig. 2. 



Hamilton shales Canandaigua lake, N. Y. 



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



2222 i--2-8. HYPOTYPE Hall. Paleontology of New York. 1879. v. 5, 

 pt 2, pi. 23, fig. 3. 



Hamilton shales Pratt's falls, Onondaga co. N. Y. 



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



3223 i-J-S- HYPOTYPE Hall. Paleontology of New York. 1879. 



v. 5, pt 2, pi. 23, fig. 4. 



Hamilton shales Bellona, Yates co. N. Y, 



J. W. Hall and C. Van Deloo, coll. 1866 



3224 ifi-j-0-2- HYPOTYPE Hall. Illustrations of Devonian fossils. 1876. 



Gasteropoda, pi. 24, fig. 3, 4. 



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

 pi. 23, fig. 6, 7. 



Hamilton shales Cayuga lake, N. Y. 



H. H. Smith, coll. 1871 



3225 ifi-jps. HYPOTYPE Hall. Paleontology of New York. 1879. 



v. 5, pt 2, pi. 23, fig. 8. 



Hamilton shales Fabius village, N. Y 



G. B. Simpson, coll. 1863 



3226 -L9JLQ-8- HYPOTYPE Hall. Illustrations of Devonian fossils. 1876. 



Gasteropoda, pi. 24, fig. 5, 6. 



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

 pi. 23, fig. 9, 10. 



Hamilton shales Cayuga lake, N. Y. 



J. W. Hall, coll. 1866 



2227 i-fl^a HYPOTYPE Hall. Illustrations of Devonian fossils. 1876. 

 Gasteropoda, pi. 24, fig. 7. 



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

 pi. 23, fig. ii. 



Hamilton shales Cayuga lake, N. Y. 



H. H. Smith, coll. 1871 



3228 I&JJLS. HYPOTYPE Hall. Illustrations of Devonian fossils. 1876. 

 Gasteropoda, pi. 24, fig. 9. 



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

 pi. 23, fig. 12. 



Hamilton shales Cayuga lake, N. Y. 



J. W. Hall, coll. 1866 



