TYPE SPECIMENS OF PALEOZOIC FOSSILS 483 



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

 plates and explanations, pi. 72, fig. 24. 



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

 pi. 72, fig. 24. 



Onondaga limestone Columbus O. 



R. P. Whitfield, coll. 1865 



2974 a^Ltt hypotype Hall. Paleontology of New York. 1883. 



v. 5, pt 1, plates and explanations, pi. 72, fig. 27, 28. 



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

 pi. 72, fig. 27, 28. 



Onondaga limestone Ontario Can. 



J. De Cew, coll. 1866 



Paracyclas ? elevata see Schizodus ? fissus 



Paracyclas ignota Hall 



2975 P 6 ! 7 * type Paracyclas ignota Hall. Paleontology of 



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

 pi. 72, fig. 34. 



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

 pi. 72, fig. 34. 



Chemung beds Meadville, Crawford co. Pa. 



. C. Van Deloo, coll. 1863 



Paracyclas lirata Conrad (sp.) 



2976 P9 A 7g hypotype Posidonia lirata Conrad. Annual report 



of the New York state geological survey. 1838. p. 116. 



Paracyclas lirata Hall. Paleontology of New 

 York. 1883. v. 5, pt 1, plates and explanations, pi. 72, 

 fig. 11. 



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

 pi. 72, fig. 11. 



Hamilton beds Fultonham, Schoharie co. N. Y. 



W. M. Gabb, coll. 1857 



2977 bsg.2. hypotype Hall, Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 72, fig. 12. 



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

 pi. 72, fig. 12. 



Hamilton beds Fultonham N. Y. 



W. M. Gabb, coll. 1S57 



