4C CONTRIBUTIONS TO 0ANAI)L4.N PAL^ONTOLQGT. 



species of Cylichia, which appears to he undescribed, but which does 

 not afford sufficient characters for a satisfactory diagnosis, was col- 

 lected by Ml-. T. C. Weston, in 1S84, three miles north of Eoss Coulee, 

 near Irvine Station, on the Canadian Pacitic Eailway. 



AcTyEON ATTENUATUS, Meek and Haj^den. 



Ackcon {SoUdula.') attenuatus,Mee>'k and Hayden. 1S58. Proc. Ac. Nat. Sc. Phil. 



vol. X., p. 54. 

 So/idula attenuata, Meek and Hayden. 18(30. lb., vol. XII., pp. 185 and 424. 

 Actreon attemtatus, Meek. 1876. Eep. U.S. Geol. Surv. Terr., vol. IX., p. 281, pi. 



19, figs. 17a, b. 



Old Wives' Creek, Township 10, Eange 11, west of .3rd Principal 

 Meridian, E. G. McConneli, 1884; one good specimen with the test 

 preserved. 



CiNULiA CONCINNA, Meek and Hayden. 



AcUeon concbiniis, Hall and Meok. 1854. Mem. Ac. Arts and Sc, Boston, vol 



V. (N. S.), p. 390, pi. .3, fig. 4. 

 Avdlana suhglnbosa, Meek and Hayden. 1850. Proc. Ac. Nat. Sc. Phil., vol. 



VIII., p. 64. 

 Avellana concinna, Meek. 1859. Hind's Eep. Saskatch. and Assinib. Expl. Exped. 



Toronto, p- 184. 

 Cinulia concinna, Meek and Hayden. 1860. Proc. Ac. Nat. So. Phil., vol- 



XII , p. 425. 

 Oinulia {Oligoptycha) concinna., Meek. 1876. Rep. U.S. Geol. Surv. Terr., vol. IX., 



p. 284, pi. 31, figs. 6 )jis., a, 1), c. 



Twelve miles east of White Mud Eiver (or Frenchman's Creek), G-. 

 M. Dawson, 1873-'74, H.M. North American Boundary Commission. 



Elbow of South Saskatchewan, Prof. J. Macoun, 1879, Old Wives 

 Creek, Township 10, Eange 11, west of 3rd Principal Meridian, E. G. 

 McConneli, 1884. K"ot uncommon at each of these localities. 



This species was first collected in Canada by Prof. H. Youle Hind 

 in 1858, at "Two Creeks, on the Assiniboine." 



