CONTENTS. 



Introdtioi'ion xiii 



LlXERATUEE OF CkBTACEOTTS PlANIS 1 



List of Species of Ckeiaceotjs Plants 49 



Descriptive Catalogue op Cbetacbotts Plants 233 



Group Thallophyta 233 



Class Alg» 233 



Order Diatomacese 235 



Order Siphon eaceae 236 



Suborder Codiacese 236 



Genus Bouei'na 236 



Boue'ina Hochstetteri, Toula 237 



Suborder Dasj'cladaceee 239 



Genus Neomeris 239 



Neomeris cretacea, Steinmann 240 



Genus Munieria 240 



Muniena baconica, v. Hantken 240 



Genus Diplopora 243 



Diploiiora Miihlhergii, T. Lorenz 243 



Genus Triploporella 244 



Triploporella Fraasi, Steinmann 245 



Tribe Acetabulariese ? 247 



Order Phseoplij-cesB ? 247 



Genus Chondrites 247 



Chondrites Targionii (Broiign.), Sternberg . . 249 



