116 CONTRIBUTIONS TO CANADIAN PALEONTOLOGY. 



Eetiza (Trematospira) nobilis, Hall. 



Ehynchoxpira nobilis, Hall. 1860. Thirteenth Rep. N". York St. Cab. Nat. Hist. 



p. 83. 

 Trematospira ? nobilis, Hall. 1867. Pal. State N. York, vol. IV., pt. 1, p. 412, pi. 



63, figs. 33-36. 



Near Thedford, J. Eichardson, 1859, and Eev. H. Currie, 1882 : 

 apparently not uncommon. The specimens from this locality, though 

 nearly always much distorted, are often perfect and well preserved. 



In his " Handbuch der Pateontologie," (vol. L, p .686) Zittel admits 

 both Bhynchospira and Trematospira of Hall as sub-genera of Retzia, 

 King, though Billings, in 18*70, maintained that they are merely 

 synonyms of that genus. 



MOLLUSCA. 



L AMELLIBR A NCHT ATA . 



Pterinea plabellum, Coni-ad. 



Avicvla flabella, Conra,A. 1842. Journ. Ac. Nat. Sc. Phil, vol. VIII., p. 238, pi. 



12, fig. 8. 

 Ptennea fiabellum, Conrad. S. A. Miller. 1877. Am. Pal. Foss., p. 201. 



Hall. 1883. Pal. State N. Y^ork, vol. V., pt. 1. 

 (advance copies) pi. 14 and pi. 15, fig. 1. 



Township of Bosanquet, Mr. J. Pettit, 1868 : five well preserved 

 specimens. 



Grammysia arcuata ? Conrad, Var. 



O-raritrnysia {Leptodomus ?) arcuata, Hall (as of Conrad). 1883. Pal. State N. 

 York, vol. v., pt. 1 (advance copies), p. 15, pi. 61, figs. 1-9. 



Township of Bosanquet, Mr.J. Pettit, 1868 : an imperfect cast of the 

 interior of the right valve of a shell which may represent a local 

 variety of this species. An equally imperfect cast of a smaller but in 

 other respects similar specimen, was collected by the Eev. Hector 

 Currie near Thedford, in 1882. 



GASTEROPODA. 



Tqrbo Shumardi, De Verneuil. 



Plate 16, fig. 3. 



Turbo Shumardi, De Verneuil. 1846. Bull, de la Soc. G6ol. de France- 



" Hall. 1879. Pal. State N. York, vol. V., pt. 2, 

 p. 135, pi. 29, figs. 1-4. 



Township of Bosanquet, Mr. J. Pettit, 1868 : one large and character- 



