SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 57 



PAGE 



Champlain Valley, Vermont, distribution of Dikelocephalus in 365 



Chariocephalus, association of, with Conokcphalina 362 



whitfieldi Hall, listed from Franconia formation 357 



sp., listed from Franconia formation 357 



Chuangia mccoyi Walcott, listed from locality 201a 359 



Classification 347 



Colorado, Upper Cambrian locality 20b 377 



coloradoensis, see Billingsclla and Saukia. 

 communis, see Agnastns. 



Conaspis Hall, discussed ( footnote) 357 



(= Conocephalites, Arionellus, and Ptychoparia) (footnote) . 358 



species referred to (footnote) 358 



anatina (Hall), listed from Franconia formation 357 



cf. anatina (Hall), listed from Jordan formation 355 



bipunctata (Shumard), listed from Franconia formation 357 



connata (Walcott), listed from Eau Claire formation 358 



eryon (Hall), listed from Franconia formation 357 



nasuta (Hall), listed from Franconia formation 357 



oweni (Hall) ?, listed from Franconia formation 357 



patersoni (Hall), listed from Franconia formation 357 



perseus (Hall), listed from Franconia formation 357 



? shumardi (Kail ?), listed from Franconia formation 357 



Conocephalites, Dikelocephalus iowensis referred by Hall to 366 



anatinus Hall, referred to Conaspis (footnote) 358 



breviceps ? Walcott, listed from locality 62 361 



{■=■ Conokcphalina) cmmrichi Barrande (Walcott), to be considered 



in review of Olenidse 348 



eryon Hall, referred to Conaspis ( footnote) 358 



nasutus Hall, referred to Conaspis (footnote) 358 



ornatus Brogger, figured, pi. 64, fig. 8 400 



mentioned as genotype of Conokcphalina Brogger 347, 387 



oweni Hall, referred to Conaspis (footnote) 358 



perseus Hall, placed by Lorenz under Conaspis (footnote) 358 



referred to Conaspis (footnote) 358 



Conokcphalina Brogger, genus described and discussed 387 



compared with Conokcphalina misa 388 



Saukia 348 



disposition of species referred to 387 



genotype, Conocephalites ornatus Brogger 387 



included under Dikelocephalinse 347 



in synonymy 387 



intermediate form between Dikelocephalus and Ptycho- 

 paria 348, 387 



locality and association of genus discussed 362 



referred to Dikelocephalinse 348 



represented by species in Cambrian fauna of China 347 



species referred to, by Brogger 361'i 



inexpectans (Walcott), listed from locality 201a 359 



