56 contributions to canadian pxll/bontologt. 



(1.) From the Pale or Uppee Portion of the Series. 



LAMELLIBEAKCHIATA. 



OsTREA glabra, Meek and Hayden. 



(The synonymy of this species and references to the puhlications in 

 whicli it was described will be found on page 5.) 



I^Tear Bull's Head, E. G. McConnell, 1883 : a number of detached 

 valves on a slab of limestone. Saskatchewan Coal Mines, near Medi- 

 cine Hat, T. C. Weston, 1884 : abundant. 



OsTREA suBTRiGONALis, Evans and Shumard. 



(For references to the publications in which this shell was described 

 and figured, see also page 5.) 



AYoodworth Mine, Medicine Hat, E. G. McConnell, 1883 : from the 

 base of this portion of the series, common and associated with the 

 preceding species. 



Pteria (Oxytoma) Nebrascana, Evans and Shumard. (Sp.) 



(For references to publications in which this species was described 

 see page 31.) 



Milk Elver Eidge, E. G. McConnell, 1882 : a cast of a left valve, 

 with a considerable portion of the test preserved. 



Mttilus subarcuatus, Meek and Haj-den. 



Mijtihis subarctMitus, Meek and Hayden. 1856. Proc. Ac. Kat. Sc Phil. vol. VIII. , 

 p. 276. 



Meek. 1876. Rep. V. 8. Geol. Surv. Terr., vol. IX., p. 69, 

 pi. 38, figs. 2a, b. 



South Saskatchewan, eight miles below the Eed Deer Elver, E. G. 

 McConnell, 1883 : a few small but perfect specimens, the largest of 

 which is not more than twelve millimetres or about half an inch 

 in length. 



