PTEROPODA. 



299 



Strophodoxta striata instead of Stropho- 

 mena striata. 



varhbilis, Calvin, 1878, Bull. U. S. Geo. 

 Sur., vol. 4, No. 3, Up. Held. Gr. 

 [Sig. variable.] 

 Strophomexa donneti. Salter, 1852, 'Suther- 

 land's Jour , vol. 2, Devonian. [Ety. 

 proper name.] 



kingi. Whitfield, 1878, Ann. Rep. Geo. 

 Sur. Wis., Hud. Riv. Gr. [Ety. 

 proper name.] 



nemea. Hall & Whitfield, 1877, U. S. 

 Geo. Sur. 40th parallel, Quebec Gr. 

 [Ety. proper name.] 



rhombbidalis, should be credited to 

 Wilckens. 1769 (Conchites rhomboid- 

 alis , Nachrieht von Seltener Verst. 

 Its range is from the Lower Silurian 

 to the Keokuk Gr. 



striata refer to Strophodonta striata 



wisconsinensis, Whitfield, 1880, Ann. 

 Rep. Geo. Sur. Wis., Hud. Riv. Gr.' 

 [Ety. proper name.] 

 Strophoxella, Hall, 1879. 28th Reg- Rep. 

 [Ety. diminutive of Strophos twisted.] 

 Hall refers to this genus Stropho- 

 donta ampla, S. eaelata, S. cavum 

 bona, S. leavenworthana. S. punctu- 

 lifera, S. revei sa and S. semifasciata. 

 Syrixgothyris lialli, is from the Kinder- 

 hook Gr., and S. typus is found in the 

 Kiuderhook and Keokuk Groups. 

 Terebratula acumfnatissima, Castelnau. 

 Not recognized. 



arcuata. Swallow, see T. shumardana. 



borealis, Castelnau. Not recognized. 



brevilobata, is from the Kaskaskia Gr. 



gracilis, Swallow, see T. swallovana. 



lapillus, Morton, 1836, Am. Jour. Sci. & 



Arts, vol. 29, Coal Meas. [Sig. a little 



stone.] 

 Terebratula Zens,refer to Cry ptonella lens. 

 Knckkeni, refer to Cryptonella lincklaeni. 

 nuciformis, Morton, 1836, Am. Jour. 



Sci. & Arts, vol. 29, Coal Meas. [Sig. 



nut formed.] 

 nucula. see Rhynchonella nucula. 

 pennata, see Spirifera pennata. 

 rocky montana, see Rhynchonella rocky- 



montana. 

 shumardana, n. sp., Kaskaskia Gr. Pro- 

 posed instead of T. arcuata, Swallow, 



1863, Trans. St. Louis Acad. Sci., 



vol. 2, p. 83. which was preoccupied. 

 stricklandi, see Rhynchonella stricklandi. 

 swallovana, n.'sp.. Kaskaskia Gr. Pro- 

 posed instead of T. gracilis, Swallow, 



1863, Trans. St. Louis Acad. Sci., vol. 



2, p. 83, which was preoccupied. 

 trinuclea, refer to Athyris trinuclea. 

 utah, Hall & Whitfield, 1877, U. S. Geo. 



Expl. 40th parallel, Waverly Gr. 



[Ety. proper name.] 

 valenciennei, Castelnau, 1843, Syst. Sil. 



Not recognized. 

 Trematis quincuncialis. Miller & Dyer, 



1878, Cont. to Pal. No. 2, Hud. Riv.Gr. 



[Sig. from the quincunx punctures.] 

 Trematospira quadriplicata, S. A. Miller, 



refer to Rhynchotreta quadriplicata. 

 Triplesiaprimordialis, see Camarella primor- 



dialis 

 putillus, Hall. 1879, Desc. New Spec. Foss., 



syn. for Camarella waldronensis. 

 Zygospira concentrica, Ulrich, 1879, Jour. 



Cin. Soc! Nat. Hist., vol. 2, Niagara 



Gr. [Sig. concentric] 

 minima, Hall, 1879, Desc. New Spec. 



Foss., Niagara Gr. [Sig. the least.] ' 



CLASS PTEROPODA. 



Clathroccelia. Hall, 1879, Pal. N. Y., vol. 



5, pt. 2. [Ety. clathro, latticed; koilia, 



the belly.] 

 eborica. Hall. 1879, Pal. N. Y., vol. 5, 



pt. 2, Ham. Gr. [Ety. proper name.] 

 Coleolus, Hall, 1879, Pal. N. Y., vol. 5, pt. 



2. [Ety. koleos. a sheath.] 

 acicula instead of Orthoceras acicula. 

 aciculatus instead of dentalium acicula- 



tum. 

 crenatocinctus, Hall, 1879, Pal. N. Y., 



vol. 5. pt. 2, Up. Held. Gr. TSig 



notched around.] 

 gracilis, Hall, 1879, Pal. N. Y., vol. 5, 



pt. 2, Chemung Gr. [Sig. slender] 

 mohri, Hall, 1879, Pal. N. Y., vol. 5. pt. 



2, Up. Held. Gr. [Ety. proper name.] 

 spinulus, Hall, 1879, Desc. New Spec. 



Foss., Niagara Gr. [Sig. a little 



thorn.] 

 tenuicinctus instead of Coleoprion tenui- 



cinctum. 



Coleoprion, tenue. Hall, 1879, Pal. of 



N. Y., vol. 5, pt. .2, Ham. Gr. [Sig. 



thin.] 

 Coxularia continens var. rudis, Hall, 1879, 



Pal. N. Y., vol. 5, pt. 2, Ham Gr. 



[Sig. rude ] 

 crustula, White, 1880, 12th Rep. U. S. 



Geo Sur. Terr., Coal Meas. [Sig. 



a little crust.] 

 formosa, Miller & Dyer, 1878, Jour. Cin. 



Soc. Nat. Hist., vol. 1, Hud. Riv. Gr. 



[Sig. beautiful.] 

 indentata, Conrad, 1854, Proc. Acad. 



Nat. Sci., vol. 7, Trenton Gr. [Sig. 



indented.] 

 infrequens. Hall. 1879, Desc. New Spec. 



Foss.. Niagara Gr. [Sig. infrequent.] 

 multicostata, Meek & Worthen, 1865. 



Proc. Acad. Nar. Sci., Waverly Gr, 



[Sig. many ribbed.] 

 osagensis, is from the Kaskaskia Gr. 

 subcarbonaria, was first described in 



1865, in Proc. Acad. Nat. Sci. 



