TYPE SPECIMENS OF PALEOZOIC FOSSILS 613 



3813 lif^i type Hall. Paleontology of New York. 1879. v. 5,pt2,. 



pi. 109, fig. 2. 



Hamilton beds Cazenovia, Madison co. N. Y. 



James Hall, coll. 



3814 ^§-2-1- 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 



3815 i-^-ip^- plastotype Nautilus hyatti Hall. 5th annual report 



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

 fig. 1. 



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

 supplement (= v. 7), p. 37, pi. 126, fig. 1. 



Hamilton beds Cumberland Md. 



Nautilus (Discites) inopinatus Hall 



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



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

 'fig. 1, 2. 



Onondaga limestone Kelley's island, Sandusky O. 



S. G. Williams collection 



Nautilus (Nephriticeras) juvenis (Hall) Hyatt 



3817 1AJAA type Gyroceras liratum Hall. Illustrations of 



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



Nautilus liratus 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 co. N. Y. 



Nautilus liratum see Nautilus (Nephriticeras) 

 liratus 



Nautilus (Nephriticeras) liratus Hall 



3818 lJ8^2i hypotype Gyroceras liratum Hall. 13th annual 



report of the New York state cabinet of natural history. 

 i860, p. 104. 



Gyroceras liratum Hall. Illustrations of Devo- 

 nian fossils. 1876. Cephalopoda, pi. 58, fig. 1. 



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. 



