NO. 6
MIDDLE CAMBRIAN BRANCHIOPODA, ETC.
147
| PAGE | ||||
| Genus Odaraia, new genus | 187 | |||
| Odaraia alata, new species | 188 | |||
| Genus Fieldia, new genus | 188 | |||
| Fieldia lanceolata, new species (pl. 32) | 188 | |||
| Genus Carnarvonia, new genus | 189 | |||
| Cornarvonia venosa, new species (pl. 33) | 189 | |||
| Sub-Class Trilobita | 190 | |||
| Notes on appendages of Neolenus and Ptychoparia (pl. 24) | 191, 192 | |||
| Descriptions of new genera and species | 192 | |||
| Order (Undetermined) | 192 | |||
| Family Marrellidæ, new family | 192 | |||
| Genus Marrella, new genus | 192 | |||
| Marrella splendens, new species (pls. 25, 26) | 193 | |||
| Family (Undetermined) | 194 | |||
| Genus Nathorstia, new genus | 194 | |||
| Nathorstia transitans, new species (pl. 28) | 194 | |||
| Appendages | 195 | |||
| Dimensions | 195 | |||
| Order Hypoparia Beecher | 195 | |||
| Family (Undetermined) | 195 | |||
| Genus Mollisonia, new genus | 196 | |||
| Mollisonia symmetrica, new species (pl. 24) | 196 | |||
| Mollisonia gracilis, new species (pl. 24) | 197 | |||
| Mollisonia ? rara, new species (pl. 24) | 198 | |||
| Genus Tontoia, new genus | 198 | |||
| Tontoia kwaguntensis, new species (pl. 24) | 199 | |||
| Sub-Class Merostomata | 199 | |||
| Order Aglaspina, new order | 199 | |||
| Family Aglaspidæ Clarke | 200 | |||
| Genus Molaria, new genus | 200 | |||
| Molaria spinifera, new species (pl. 29) | 200 | |||
| Appendages | 200 | |||
| Interior structure | 201 | |||
| Dimensions | 201 | |||
| Genus Habelia, new genus | 201 | |||
| Habelia optata, new species (pl. 29) | 202 | |||
| Appendages | 202 | |||
| Surface | 202 | |||
| Dimensions | 203 | |||
| Genus Emeraldella, new genus | 203 | |||
| Emeraldella brocki, new species (text fig. 8 and pl. 30) | 203 | |||
| Appendages | 203 | |||
| Alimentary canal | 204 | |||
| Dimensions | 204 | |||
| Emeraldella micrura, new species (text fig. 9) | 205 | |||
| Order Limulava Walcott | 205 | |||
| Family Sidneyidæ Walcott | 205 | |||
| Genus Sidneyia Walcott | 205 | |||
| Sidneyia inexpectans Walcott (text fig. 10) | 205 | |||
