106 BBACHIOPODS. ' 



Spurious and Doubtful Species of Brachiopods. 



Productus callawayensis Swallow, 1860: Trans. St. Louis Acad. Sci., voL 



L, p. 640. Too poorly defined for recognition. 

 Productus blairi Miller, 1892: Geol. Sur. Indiana, 17th Ann. Rept., Adv. 



sheets, p. 79, pi. xiii, figs. 16-17. Too imperfect for identification. 

 Orthis pratteni McChesney, 1859: Desc. New Species FOBS. False Rocks 



Western States, vol. I. Carbonicr? Poorly defined. 

 Strophodonta altidorsata Swallow, 1860: Trans. St. Louis Acad. Sci., vol. 



I, p. 637. Devonian: Callaway county. Insufficiently described. 

 Koninckina americana Swallow, 1863 : Trans. St. Louis Acad. Sci., vol. II, 



p. 94. St. Louis limestone : Barrett station, St. Louis county. Too 

 imperfect for recognition. 



Spirifera clarus Swallow, 1863 : Trans. St. Louis Acad. Sci., vol. II, p. 86. 

 Keokuk limestone : Ste. Genevieve county. Cannot be recognized 

 from description. 



Spirifer meeki Swallow, 1860: Trans. St. Louis Acad. Sci., vol. I, p. 645. 

 Burlington limestone : Pettis county. Not recognizable. 



Spirifer Latior Swallow, 1860: Trans. St. Louis Acad. Sci. , vol. II, p. 86. 

 Chouteau limestone : Cooper county. Description too imperfect. 



Spirifer annce Swallow, 1860: Trans. St. Louis Acad. Sci., vol. I, p. 

 641. Callaway limestone : .Callaway county. Too imperfect to 

 identify. 



Spirifer amarus Swallow, 1860: Trans. St. Louis Acad. Sci.. vol. I, p. 642. 

 Cannot be recognized. 



Spirigera jacksoni Swallow, 1860: Trans. St. Louis Acad. Sci., vol. I, 

 p. 651. Upper Coal Measures : Cass county. Poorly defined. Prob- 

 ably identical with S. lineatus. 



Spirigera missouriensis Swallow, 1860: Trans, bt. Louis Acad. Sci., vol. I, 

 p 650. Coal Measures: Montgomery county. Poorly defined. Prob- 

 ably synonymous with S. lineatus. 



Athyris ultravarica McChesney, 1859: Desc. New Species Foss. Palae. 

 Rocks, Western States. Ste. Genevieve. Description too meager. 



Spirigera maconensis Swallow, 1860: Trans. St. Louis Acad. Sci., vol. I, 

 p. 651. Coal Measures: Montgomery county. Cannot be recog- 

 nized. 



Spirigera platensis Swallow, 1863: Trans. St. Louis Acad. Sci., vol. II, p. 

 87. Upper Coal Measures: northwestern Missouri. Not recogniza- 

 ble. 



Spirigera missouriensis Winchell, 1865: Proe. Acad. Nat. Sci., Phila., p. 

 17. Lithographic limestone : Louisiana. Name preoccupied. 



Retzia popenana Swallow, 1860: Trans. St. Louis Acad. Sci., vol I, p. 654. 

 Not recognisable. 



Rhynchonella wnrrenensis Swallow, 1860: Trans. St. Louis Acad Sci., 

 vol. I, p. 653. Lower Devonian, Callaway county. Description 

 too general. 



Rhynchonella perrostellata Swallow, 186* : Trans. St. Louis Acad. Sci , vol. 



II, p. 85. Keokuk limestone: Cooper county. Not sufficiently 

 defined. 



