484 



PAGE 



Burlingia Walcott, association i6i 



correspondence to Pagctia 407 



distinctive in North American fauna 70 



hectori, compared with Hanhnria gloriosa 226 



Burrard, S. G. [and Hayden, H. H.], bibliographic reference 73 



busa, see Corynexochus (Bonnia). 



busiris, see Pterocephalus. 



butes, see Anoviocare and Anomocarella. 



Cache County, Utah. Middle Cambrian locality 55s i&S 



cacus, see Ptychaspis. 



cadmus, see Ptychaspis. 



calanus, see Asaphiscus. 



calathus, see Coscinocyathus. 



Calcareous Algse, part played by 90 



Calcareous deposits, recent 85 



calchas, see Ptychaspis. 



calcifera, see Saratogia. 



Calcium carbonate, deposition of 86 



precipitation of, Drew cited 93 



calenus, see Asaphiscus. 



callas, see Marjumia. 



Callavia, compared with Redlichia 60 



Redlichia chinensis and R. nobilis descendent 61 



bicensis Walcott, associated with Corynexochus brennus 314 



associated with Corynexochus (Bonnia) parvulus 329 



sp., associated with Corynexochus (Bonnia) parvulus 329 



callisto, see Ptychaspis. 



Calvert, W. R., MS. report on Big Snowy Mountains area 273 



calyce, see Ptychaspis. 



Calymene, compared with Menomonia 162 



Calymenidse, compared with Norwoodidas 168 



calymenoides, see Conocephalites and Menomonia. 



Calymniene ? sinensis Bergeron =■ Blackzvelderia 7 



(= Blackzvelderia sinensis), generic references 14 



listed, Cambrian. Bergeron 7 



Camarotoechia metallica, in Beaver Creek section 272 



Camasia, new genus, described 115 



comparison with " Lake Balls " 103 



deposited by algae loi 



in Newland limestone 99 



spongiosa, new species, described 115 



figured, pi. 9. figs, i, 2; pi. 12, figs, i, 2; pi. 20, figs. 2-6. 6« 



128, 134. 150 



chain of cells from 103 



characterized loi 



classified as massive and cellular 104 



