CONTENTS. 



PART II. SYSTEMATIC. 



CHAPTER VII. 

 THALLOPHYTA. Pp. 116—228. 



I. PERIDINIALES 



n. COCCOSFHEBES AND BHABDOSPHEBES . 



III. SOHIZOPHYTA 



1. SCHIZOPHYCEAE (Cyanophtceae) 



Girvanella 124-126. Borings in .shells 127-129 

 Zonatrichites 129-130. 



2. SCHIZOMYCETES (Bacteria) 



Bacillus Permicus 135-136. B. Tieghemi and Micro- 

 coccus Gwignardi 136. Fossil Bacteria 137-138. 



IV. ALGAE 



Scarcity of fossil algae. Fossils simulating Algae. Re- 

 cognition of fossil algae. Algites dec. 



A. DIATOMACEAE 



Recent Diatoms. Fossil Diatoms. Bactryllium &c. 



B. CHLOROPHYCEAE .... . . 



a. SiPHONBAE 



a. Caulerpaceae 



/3. Codiaceae 



Codiwm 159-160. Sphaerocodium 160. Peni- 

 cillus 161. OvuUtes 161-164. Halimeda 

 164. 



y. Dasycladaceae 



Acetabularia 165-166. Acicularia 166-169. 

 Cymopolia 169-171. Vermiporella 172- 

 173. Sycidium 173. Diplopora 174-175. 

 Oyroporella 175. Dactylopora, Palaeozoic 

 and Mesozoic Siphoneae 175-177. 



h. CONPERVOIDEAE 



INCERTAE SEDIS .... . . 



Boghead 'Coal.' Reinschia ISO-lHl. Pito 181-182. 



C. RHODOPHYCEAE 



CORALLINACEAE 



Lithothamnion 185-189. Solenopora 189-190. 



PAGE 



117-118 

 118-121 

 121-138 

 122-132 



132-138 



138-205 



150-156 



156-178 

 157-177 

 157-159 

 159-164 



164-177 



177-178 

 178-183 



183-190 

 183-190 



