320 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 75 



Hyolithes carinatiis Matthew 

 Stcnotheca zvheeleri Walcott 

 Platyccras roniiingcri Walcott 

 Platyceras bellianus Walcott 

 Acrotrcta deprcssa (Walcott) 

 •• Iphidella pannula (White) 

 Oholtis mcconncUi (Walcott) 

 NIsusia alberta Walcott 

 Philhcdra columbiana (Walcott) 

 ScencUa varians Walcott 

 Anomalocaris canadensis Whiteaves 

 Anomalocaris ? whitcavcsi Walcott 

 Anomalocaris ?? acutangula Walcott 

 Agnostus motttis Matthew 

 Dorypyge dazvsoni (Walcott) 

 Bathyuriscus rotundatus (Rominger) 

 Bathyuriscus pupa Matthew 

 Bathyuriscus occidcnfalis (Matthew) 

 Bathyuriscus ornatus Walcott 

 Bonnia ? stephenensis (Walcott) 

 Neolenus serratus (Rominger) 

 Ogygopsis klotzi (Rominger) 

 Oryctocephalus reynoldsi Reed 

 Burlingia hectori Walcott 

 Elrathia cordillerae (Rominger) 

 " Ptychoparia " palHsrri Walcott 

 Zacanthoides spinosus Walcott 



Burgess Shale Member' of Stephen Formation 

 The massive-hedded arenaceous limestones of the Eldon 

 formation form the summit of the ridge between 

 Mount Field and Mount Wapta, and the Burgess 

 shale member of the Stephen formation dips east- 

 ward beneath the Eldon. Although only 4 miles 

 (6.4 km.) from the Mount Stephen section, the 

 Burgess shale member has a very different series 

 of shales and interbcdded limestone between the Eldon 

 above and the subjacent shaly and thin-bedded, bluish- 

 black and gray limestones of the Stephen formation 

 which are somewhat similar to those beneath the 

 Ogygopsis shale member of the Stephen formation on 

 Mount Stephen. 



Feet Meters 



1. Greenish-colored argillaceous shale 6 1.8 



Annelid trails 



2. Gray arenaceous limestone 3.6 i.i 



3. Bluish-black and gray, finely arenaceous shale, and thin 



layers of gray, rough sandstone in massive layers. . . . 24.6 7.5 



^ Name mentioned in Smithsonian Misc. Coll., Vol. 57, No. 5, 191 1, p. no 

 also No. 6, 1912, p. 148. 



