CEPHALOPODA. 



169 



septore, Hall, 1867, 20tli Beg. Rep., Ni- 

 agara Gr. [Ety. septem, seven ; os-oris, 



a mouth.] 

 subgracile, Billings, 1857, Rep. of Progr., 



tip. Sil. [Sig. somewhat slender.] 

 turbiniforme, Meels; & Worthen, 1866, 



Proc. Acad. Nat. Sci. Phil., Ham. Gr. 



[Sig. formed like a top.] 

 GoNiATiTBS, DeHaan, 1825, Monogr. Am- 

 , monites et Goniatites. [Ety. gonia, 



an angle : lithos, stone.] This name, it 



seems, should be spelled Gonialites. 

 allei, Winchell, 1862, Am. Jour. Sci., 2nd 



series, vol. 33, Marshall Gr. [Ety. 



proper name.] 

 bicostatus. Hall, 1843, Geo. Rep. 4th 



Dist. N. Y., Portage Gr. [Sig. double- 

 ribbed.] 

 chemungensis, Vanuxem, 1843, Geo. 



Rep. 3rd Dist. N. Y., Chemung Gr. 



[Ety. proper name.] 

 chemungensis var. sequicostatus, Hall, 



1875, 27th Reg. Rep. N. Y., Chemung 



Gr. [Sig. equal-ribbed.] 

 choctawensis, Shumard, 1863, Trans. St. 



Louis Acad. Sci., Coal Meas. [Ety. 



proper name.] 

 compactus, Meek & Worthen, 1875, Proc. 



Acad. Nat. Sci. Phil., Coal Meas. [Sig. 



compact.] 

 complanatus. Hall, 1843, (Clymenia (?) 



complanatus) Geo. Rep. 4th Dist. N. 



Y., Chemung Gr. [Sig. smoothed.] 

 complanatus var. perlatus. Hall, 1875, 



27th Reg. Rep. N. Y., Chemung Gr. 



[Sig. very wide.] 

 discoideus. Hall, 1860, 13th Reg. Rep. 



N. Y., Ham. Gr. [Sig. disc-like.] 

 discoideus var. ohioensis. Hall, 1874, 



27th Reg. Rep. N. Y., Up. Held. Gr. 



[Ety. proper name.] 

 entogonus, Gabb, 1861, Proc. Acad. Nat. 



Sci., Carboniferous. [Sig. angular 



within.] 

 erato, Hall, 1862, (Clymenia erato) 15th 



Reg. Rep., Ham. Gr. [Ety. mytho 



logical name.] 

 expansus, Vanuxem, 1842, Geo. Rep 



3rd Dist. N. Y., Marcellus shale. [Sig 



expanded.] 

 globulosus. Meek & Worthen, 1860, Proc, 



Acad. Nat. Sci. Phil., Up. Coal Meas, 



[Sig. like a small ball.] 

 hathawayanus, McChesney, 1860, Desc, 



New Pal. Foss., Coal Meas. [Ety 



proper name.] 

 holmesi, Swallow, 1860, Trans. St. Louis 



Acad. Sci., Chemung Gr. [Ety. proper 



name.] 

 houghtoni, Winchell, 1862, Am. Jour. 



Sci., 2d ser.,vol. 33, Marshall Gr. [Ety. 



proper name.] 

 hyas, Hall, Dec, 1860, 13th Reg. Eep., 



Low. Carb. [Ety. mythological name.] 

 iowensis. Meek & Worthen, 1860, Proc. 



Acad. Nat. Sci. Phil., Coal Meas. 



[Ety. proper name.] 

 22 



ixion. Hall, 1860, 13th Reg. Rep., Ham. 

 Gr. This species is founded on the 

 form which has been identified with 

 the European species 0. rotatorius. 

 [Ety. mythological name.] 



lyoni. Meek & Worthen, 1860, Proc. 

 Acad. Nat. Sci. Phil., Kinderhook (?) 

 Gr. [Ety. proper name.] 



marcellenm, see Nautilus marcellensis. 



marshallensis, Winchell, 1862, Am. Jour. 

 Sci., 2d ser., vol. 33, Marshall Gr. 

 [Ety. proper name.] 



minimus, Shumard, 1858, Trans. St. Louis 

 Acad. Sci., Coal Meas. [Sig. very 

 small.] 



mithrax. Hall, 1860, 13th Reg. Rep. N.Y., 

 Up. Held. Gr. [Ety. mithrax, a preci- 

 ous stone.] 



morganensis. Swallow, 1860, Trans. St. 

 Louis Acad. Sci., Chouteau or Che- 

 mung Gr. [Ety. proper name.] 



nolinensis. Cox, 1857, Geo. Sur. Ky., 

 vol. 3, Coal Meas. [Ety. proper name.] 



nundaia, Hall, 1875, 27th Reg. Eep. N. 

 Y., Portage Gr. [Ety. proper name.] 



orbicella. Hall, 1860, 13th Reg. Rep. 

 N. Y., Ham. Gr. [Sig. a little circle.] 



osagensis. Swallow, 1860, Trans. St. Louis 

 Acad. Sci., Chemung Gr. [Ety. 

 proper name.] 



oweni, Hall, 1860, 13th Reg. Rep. N. Y., 

 Ham. Gr. [Ety. proper name.] 



oweni var. parallelus. Hall, 1860, 13th 

 Reg. Rep., Ham. Gr. [Sig. parallel.] 



parvus, Shumard, 1858, Trans. St. Louis 

 Acad. Sci., Coal Meas. [Sig. small.] 



patersoni. Hall, 1860, 13th Reg. Rep. N. 

 Y, Portage Gr. [Ety. proper name.] 



peracutus. Hall, 1876, lUust. Devonian 

 Foss., Up. Held. Gr. [Sig. very acute.] 



planorbiformis, Shumard, 1855, Geo. Sur. 

 Mo., Coal Meas. [Sig. like a shell of 

 the genus Planorhis.'] 



politus, Shumard, 1858, Trans. St. Louis 

 Acad. Sci.,Coal Meas. [Sig. smoothed.] 



propinquus, Winchell, 1862, Am. Jour. 

 Sci. & Arts, 2nd series, vol. 33, Mar- 

 shall Gr. [Sig. related.] 



punctatus, Conrad, 1838, Ann. Eep. N. 

 Y., Ham. Gr. [Sig. dotted.] 



pygmseus, Winchell, 1862, Am. Jour. Sci. 

 and Arts, 2nd series, vol. 33, Marshall 

 Gr. [Ety. mythological name.] 



rotatorim, DeKoninck, 1843, Desc. des 

 Anim. Foss. du Terr. Carb. See 6. 

 ixion. 



shumardanus, Winchell, 1865, Am. Jour. 

 Sci. & Arts, 2nd series, vol. 33, Mar- 

 shall Gr. [Ety. proper name.] 



simulator. Hall, 1875, 27th Reg. Eep., 

 Chemung Gr. [Sig. a dissembler.] 



sinuosus, Hall, 1843, Geo. Eep. 4th Dist. 

 N. Y., Portage Gr. [Sig. full of fur- 

 rows.] 



sulcifenis, Winchell. Not defined. 



texanus, Shumard, 1863, Trans. St. Louis 

 Acad. Sci., Coal Meas. [Ety. proper 

 name.] 



