CAMBRIAN CORDILLEUAK Sl-XTIOXS — WALCOTT 211 



STEPHEN FORMATION (continued) : 



Ogygopsis shale (continued) : Feet 



15. Scenella varians Walcott [1886, p. 127]. 



16. Anomalocaris canadensis Whiteaves [1892, p. 207]. 



17. Anomalocaris f ZL'hiteaz'esi Walcott [1908c, p. 246, pi. 



TI, figs. 2, 2a, 4, 6, and 6a[. 



18. Anomalocaris f? acutangula Walcott [1908c, p. 247, pi. 



11, fig. 5]. 



19. Agnostus fuontis Matthew [1899. p. 43]. 



20. Dorypyge (Kootenia) dazvsoni (Walcott) [1889, p. 446]. 



21. Bathyurisciis rotundatus (Rominger) [1887, p. 16]. 



22. Bathyurisciis pupa Matthew [1899, p. 51] probablj' = 23. 

 22,- Bathyuriscus occidenfalis (Matthew) [1899, p. 49]. 



24. Bathyuriscus ornatus Walcott [igoSb, p. 39]. 



25. Karlia stephenensis Walcott [1889, p. 445]. 

 Corynexochus romingeri Matthew [1899, p. 47] =25. 



26. Neolenus serratus (Rominger) [1887, p. 13]. 

 Neolenus granulatus Matthew [1899, p. 55]=26. 



27. Ogygopsis klotzi (Rominger) [1887, p. 12]. 



28. Oryctocephalus rcynoldsi Reed [1899, P- 359]- 

 Oryctocephalus walkeri Matthew [1899] =28. 



29. Burlingia hectori Walcott [1908^, p. 15]. 



30. Ptychoparia cordillerce (Rominger) [1887, p. 17]. 

 Conocephalites cf. perseus Hall, Matthew [1899, p. 46] =3a 



31. Ptychoparia paUiseri Walcott [1908c, p. 247, pi. Ill, fig. 6]. 

 2,2. Zacanthoides spinosus (Walcott) [1884, p. 63]. 



20. Greenish siliceous shale 23 



Fauna : 



Obolus (Westonia) ella ? (Hall and Whitfield) [1877, 

 P- 232]. 



2h. Thick-bedded, bluish gray limestone, breaking up into thin 



layers one-half to 3 inches thick on weathering 22 



Fauna: 



Micromitra {Paterina) stissingensis (Dwight) [1889, p. 



145]. 

 Nisusia alberta Walcott [1889, p. 442], var. 



2C. Greenish siliceous shale 70 



2d. Alternating bluish gray, bedded, compact limestone, siliceous 



and arenaceous shale, mostly shale below 210 



Total 2 ' 325 



Fauna: 

 Crusiana. 



Micromitra (Iphidella) pannula (White) [1874, p. 6]. 

 Obolus {Westonia) ella (Hall and Whitfield) [1877, p. 232]. 

 Hyolithes. 

 Leperditia. 

 Ptychoparia. 

 Bathvuriscus. 



