24 CONTEIBL-TIONS TO CANADIAN PAL-i;ONTOLOGT. 



Campeloma producta, White. 



Campdima {Liopku: >) pmJvcla, White. 1S83. Eev. Non-Marine Foss. Moll. N. 



Am., p-<33,pl-26, fig,-. 21^27. 



Tliree Hills Creek, Township 30, Eange 23, west of 4th Principal 

 Meridian; J. B. Tyrrell, 1884: ahundant. 



Judging by Canadian specimens, this shell seems to the writer to be 

 much more nearly related to some of the smooth K. American species 

 of Pkurocera, such as P. subulare, Lea, P. neglectum, Anthony and 

 others, than to the Viviparida\ 



ViVIPARTJS PfiUDENTIUS, "White. 



rivipani/< prudciUai!^, White. 1880. V. S. Geol. Surv. Terr., Contr. to Pal., Xos. 



2-8, p. 98, ijl. 28, figs. 5 a and b. 

 Tiripurtis pruilentivf:, "White. 1SS3. Eev. Non-Marine Foss. Moll. N. Am., p. 01, 



pi. 2.5, figs. 17,18. 



Gooseberry Caiion, St.llary Eiver, G.M.Dawson, 1881, and Pincher 

 Creek, T. C. Weston, 1883 ; from the St. Mary E. Series : rather common 

 at both localities. 



ViviPAHus Leai, Meek and Hayden. 



PulwVma Lcai, Meek and Havden. 1850. Proc. Ac. Nat. Sc. Phil., vol. A'lII.,. 



p. 121. 

 Vii iparn Lent, INleek and Hayden. 1860. III. vol. XII., p. 185. 

 Vh'iparus Lcai , Meek. 1876. Kep. U. S. Geol. Surv. Terr. vol. I.V., p. 577, pi. 4-t, 



figs. 6, a, b, c, d. 

 Viripjarna Leai, M. and II. White. 1883. Eev. Non-Marine Foss. Moll- N. Am., 



p. Gl, pi. 27, figs. 10-14. 



Bow Eiver, four miles west of Blacklbot crossing, abundant, and well 

 preserved; St. Mary Eiver, at Gooseberry Cation, and three miles 

 north of the 49th Parallel, common; Old Man Eiver, two miles above- 

 Eye-Grass flat; G. M. Dawson, 1881. Belly Eiver, twenty-three miles 

 above the mouth of the Waterton ; E. G. McConnell, 1881. Pincher 

 Creek, T. 0. Weston, 1883. All from the St. Mary E. Series. 



Blind Man Eiver, near 5th Principal Meridian, J. B. Tyrrell, 1884: 

 from a slightly higher geological horizon than Limno;a tenuicostata. 



