TYPE SPECIMENS OF PALEOZOIC FOSSILS 613, 



3813 J^fai TYPE Hall. Paleontology of New York. 1879. v. s,pt2,. 



pi. 109, fig. 2. 



Hamilton beds Cazenovia, Madison co. N. Y. 



James Hall, coll. 



3814 is -|^ i TYPE Hall. Paleontology of New York. 1879. v. 5, pt 2,. 



pi. 109, fig. 6. 



Hamilton beds Delphi, Onondaga co. N. Y. 



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



Nautilus hyatti see Nautilus (Nephriticeras) hyatti 



Nautilus (Nephriticeras) hyatti Hall 



38 1 5 i^pa PLASTOTYPE Nautilus hyatti Hall. 5th annual report 



of the New York state geologist. 1886. pi. (126) n, 

 fig. i. 



Hall. Paleontology of New York. 1888. v. 5, pt 2, 

 supplement (= v. 7), p. 37, pi. 126, fig. i. 



Hamilton beds Cumberland Md. 



Nautilus (Discites) inopinatus Hall 



3816 i 2 ~p-2- TYPE Nautilus (Discites) inopinatus Hall. Pale- 



ontology of New York. 1879. v. 5 3 pt 2, p. 426, pi. no, 

 fig. i, 2. 



Onondaga limestone Kelley's island, Sandusky O. 



S. G. Williams collection 



Nautilus (Nephriticeras) juvenis (Hall) Hyatt 



3817 iS-pjL TYPE Gyroceras liratum Hall. Illustrations of 



Devonian fossils. 1876. Cephalopoda, pi. 57, fig. 5, 6. 



Nautilus lirat.us var. juvenis Hall. Paleon- 

 tology of New York. 1879. v. 5, pt 2, p. 41 1, pi. 56, fig. 5,6. 



Hamilton beds Cazenovia, Madison coi N. Y. 



Nautilus liratum see Nautilus (Nephriticeras). 

 liratus 



Nautilus (Nephriticeras) liratus Hall 



3818 lifAL HYPOTYPE Gyroceras liratum Hall. i3th annual 



report of the New York state cabinet of natural history. 

 1860. p. 104. 



Gyroceras liratum Hall. Illustrations of Devo- 

 nian fossils. 1876. Cephalopoda, pi. 58, fig. i. 



Nautilus liratus Hall. Paleontology of New 

 York. 1879. v. 5, pt 2, p. 407, pi. 57, fig. 3. 



Hamilton beds Sherburne, Chenango co. N. Y. 



