445 



Naut. 



Sci. Vol. 1, plate 3, fig. 4.— Collett's Indiana Keport, 1883, page 

 165, plate 36, figs. 3, 4, natural size ; only the inner whorls, so 

 that the complete size of the shell is not known. This is the 

 Nautilus decoratus of Cox's Kentucky survey (Collett'snote). 

 Mercer Co. 111. and Newport, Ind. Coal Measures, XIII, 



Nautilus liratus var. juvenis, Hall, Pal. N. Y., Vol. 5, 



Hcdt -^^"^^-^^^mS^^ fVt/. si.Y. V/Ji, 

 part 2, plate 56, figs. 5, 6. Found by Fellows, on Marshall's 

 creek, Monroe Co., Pa. Cat. 00, p. 235, spec. 807-21. Ham- 

 ilton strata. VIII e. 



Nautilus marcellensis {Ooniatites marcellensis. Van- 



uxem, page 146, fig, 35, 

 2. Marcellus formation,) — 

 Abounds in bed No. 8 of the 

 McConnellstown section, 

 Huntingdon Co. Pa. in the 

 dark shale ten feet below 

 2 the top of the Marcellus, 

 ^^^^^- near Heff*ner's mill, T3, p. 

 198. VIII h, — In Columbia Co., Pa., it is seen on West Briar 

 creek, under the Chemung strata, in Genesee Hack shale, (G7, 

 p. 76, 205).— F///^. 



Nautilus missouriensis. (Swallow? Trans. St. Louis 

 Acad. Sci. 1857, p. 198; incomplete description from small 

 specimen, or from inner whorl.) CoUett's Indiana Rt. 1883, 



