PTEEOPODA. 



29!l 



Strophodonta Btriata Instead of Stropho- 



mena striata. 

 V vari ibilis, (.'alvin, 1878, Bull; U. S. Geo. 

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

 [Sig. variable.] 

 STKOPHOMR.\Adoimetl. Salter, 1852, Suther- 

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

 proper name.] 



li;ina-i, Whitfield, 1878, Ann. Rep. Geo. 

 bur. Wis., Hud. Kiv. Gr. [Ety. 

 proper name.] 



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

 Geo. Sur. 40th parallel, Quebec Gr. 

 [Ety. proper name.] 



rhomboidalis, should he credited to 

 Wilckens. 17C9 (Conchites rhomboid- 

 alis , Nachricht von Seltener Verst. 

 Its range is from the Lower Silurian 

 to the KeoliUk Gr. 



striata refer to Strophodonta striata 



wisconsinensis, Whitfield, 1880, Ann. 

 Rep. Geo. Sur. Wis., Hud. Eiv. Gr. 

 [Ety. proper name.] 

 Sthophonella, Hall, 1879 28th Reg. Rep. 

 [Ety. diminutive of Strophos twisted.] 

 Hall refers to this genus Stropho- 

 donta ampla, S. caelata, S. cavum 

 bona, S. leavenworthana. S. punctu- 

 lifera, S. revei sa and S. semifasciata. 

 Syeingothybis halli, is from the Kinder- 

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

 Kinderhooli and Keoltuk Groups. 

 Tbeebkatula acwiiinatisshiia, Castelnau. 

 Not recognized. 



iircuata, S'waUow, see T. shumardana. 



borerilis, Castelnau. Ifot recognized. 



brevilobata, is from the Kaskaskia Gr. 



gracilis. Swallow, see T. swallovana. 



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



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



stone.] 

 Tbkebeatula lens,refev to Cryptonellalens. 

 lincldami, refer to Cryptonella llncklaeni. 

 nuciformis, IVIorton, 1836, Am. Jour. 



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



nut formed.] 

 micula, see Ehynchonella nucula. 

 pennata, see Spirifera pennata. 

 rookymontana, see Rhynchonella rockj'- 



montand. 

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

 posed instead of T. arcuata, Swallow, 



1863, Trans. St. Louis Acad. Scl., ^ 



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

 strialdanfli, 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. 

 trinucb'.a, 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. 

 Teematis quincuncialis, jMiller & Dyer, 



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



[Sig. from the quincunx punctures.] 

 Trematospira quadriplicata, S. A. Miller, 



refer to Ehynchotreta quadriplicata. 

 Triplesiaprimordiulis, see Camarella pi-imor- 



dialis 

 jjjiti'Hiss, Hall, 1879, Desc. New Spec. Eoss., 



syn. for Camarella waldronensis. 

 Zygospika concentrioa, Ulrich, 1879, Jour. 



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



Gr. . [Sig. concentric.] 

 minima, Hall, 1879, Desc. New Spec, 



Fobs., Niagai'a Gr. [Sig. the least.] 



CLASS PTEROPODA. 



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



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



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. Icoleos. a sheath.] 

 acicula instead of Orthoceras acicula. 

 aciculatus instead of dentalium acioula- 



tum. 

 orenatocinctus. Hall, 1879, Pal. N. Y., 



vol. 5, pt. 2, Up. Held. Gr. [Sig 



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. 



Eoss., Niagara Gr. [Sig. a little 



thorn.] 

 tenuicinctus instead of Coleoprion tenui- 



cinctum. 



CoLEOPEiON, tenue, Hall, 1879, Pal. of 



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



thin.] 

 CoNDLARiA 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 JMeas. [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. 



Eoss.. Niagara Gr. [Sig. infrequent.] 

 multicostata, Meek & Worthen, 1865. 



Proc. Acad. Nar. Wei., Waverly Gr, 



[Sig. many ribbed.] 

 osagensis, is from the Kaskaskia Gr. 

 subcarbonaria, was first described in 



1865, in Proc. Acad. Nat. Sci. 



