SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 57 



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Burgessidae, new family, described 177 



classification of 154 



Burnieister, " The Organization of Trilobites '' quoted 190- 191 



Caeca, hepatic, described 160 



Caiman, Dr. W. T., classification of, used 153 



Calymene scnaria, mentioned 190 



Cambrian, Middle and Upper, ostracods in 157 



Cambrian Branchiopoda, descendants of 166 



Cambrian Crustacea, theoretical lines of descent of 161 



Canadia setigera, stratigraphic position and association 153 



Canadia spinosa Walcott. position in the shale 162 



stratigraphic position and association 152, I53 



canadensis, see Anonialocaris. 



Carboniferous time, referred to 166 



Carapace of notostracans and malascostracans I57 



Carnarvon, mountain of President Range, British Columbia, Canada .... 189 



Carnarvonia, new genus, discussed 189 



bivalve carapace of I57 



classification of I54 



compared with Ncbaliopsis typica Sars 165 



Carnarvonia venosa, new species 189, pi. 23< fig- ^ 



Caudal rami 158, I59 



Ceraurus pleurexanthemus, mentioned 190 



Cercopods of Hymenocaris and Odaraia I59 



circular is, see Hymenocaris. 



Classification, table of I54 



used in this paper i53 



compacta, see Naraoia. 



Copepods, hepatic caeca of 160 



Cordillera, see Ptychoparia. 



Correction, referring to Dr. F. A. Bather 148 



Corycaeidae, hepatic caeca of 160 



Crustacea, class 166 



ancestral fauna of living 105 



classification of i54 



outline of lowest known stratigraphic position I55 



table of stratigraphic distribution of five subclasses 156 



Devonian, Hymenocarina in I55 



Devonian seas, descendants of crustacean fauna in i53 



diMcilis, see Bidentia. 



Distribution, stratigraphic, of four subclasses of this paper I5S 



Echinoderm, theoretical ancestor of. mentioned 148 



Echinodermata, section on, by Dr. F. A. Bather 148 



Eldonia htdivigi, stratigraphic position and association 152, 153 



Emerald mountain, lake, and glacier, British Columbia, Canada 203 



