CHAPTER VI.. =nomenclature.= Pp. 110–115.

=NOMENCLATURE.= Pp. 110–115.

Rules for nomenclature. The rule of priority. Terminology and convenience.

PART II. SYSTEMATIC.

CHAPTER VII. =THALLOPHYTA.= Pp. 116–228. =PAGE= I. =PERIDINIALES= 117–118

II. =COCCOSPHERES AND RHABDOSPHERES= 118–121

III. =SCHIZOPHYTA= 121–138 A. SCHIZOPHYCEAE (CYANOPHYCEAE) 122–132 Girvanella 124–126. Borings in shells 127–129. Zonatrichites 129–130.

B. SCHIZOMYCETES (BACTERIA) 132–138 Bacillus Permicus 135–136. B. Tieghemi and Micrococcus Guignardi 136. Fossil Bacteria 137–138.

IV. =ALGAE= 138–205 Scarcity of fossil algae. Fossils simulating Algae. Recognition of fossil algae. Algites &c.

A. DIATOMACEAE 150–156 Recent Diatoms. Fossil Diatoms. Bactryllium &c.

B. CHLOROPHYCEAE 156–178 a. SIPHONEAE 157–177 α. =Caulerpaceae= 157–159 β. =Codiaceae= 159–164 Codium 159–160. Sphaerocodium 160. Penicillus 161. Ovulites 161–164. Halimeda 164. γ. =Dasycladaceae= 164–177 Acetabularia 165–166. Acicularia 166–169. Cymopolia 169–171. Vermiporella 172–173. Sycidium 173. Diplopora 174–175. Gyroporella 175. Dactylopora, Palaeozoic and Mesozoic Siphoneae 175–177. b. CONFERVOIDEAE 177–178

C.INCERTAE SEDIS 178–183 Boghead ‘Coal.’ Reinschia 180–181. Pila 181–182.

D. RHODOPHYCEAE 183–190 CORALLINACEAE 183–190 Lithothamnion 185–189. Solenopora 189–190.

E. PHAEOPHYCEAE 191–202 Nematophycus 192–202 Pachytheca 202–204 Algites 204–205

V. =MYXOMYCETES (MYCETOZOA)= 205–206 Myxomycetes Mangini 206.

VI. =FUNGI= 207–222 ASCOMYCETES. BASIDIOMYCETES. Pathology of fossil tissues. Oochytrium Lepidodendri 216–217. Peronosporites antiquarius 217–220. Cladosporites bipartitus 220. Haplographites cateniger 220. Zygosporites 220–221. Polyporus vaporarius 221.

VII. =CHAROPHYTA= 222–228 CHAREAE 223–228 Chara 225–228. C. Bleicheri 226. C. Knowltoni 226–227. C. Wrighti 227.