■202 



HORN EXPEDITION— BOTANY. INDEX. 



Melothria, 162. 



Mereenie Blutf, 59. 



Mica, 78. 



micans (Pteruuites), 109. 



Microcline, 84. 



niicrolineatuin (Orthoceras), 99. 



]Micro-peginatite, 85. 



Mil]otia,'l66. 



Minmlus, 172. 



Miiiuiia, 1G2. 



Mirbelia, 151. 



Missionai-y Plain, 5. 



Rlitchclli (Cappai-is), 137. 



iiiodiolivforinis (Isoarca eastii, var.), 



106. 

 Modiolopsis, 109. 

 Mollugo, 150. 

 Mountains, 2. 

 Muehlenbeckia, 150. 

 Muscovite, 78. 

 Musgrave, Mount, 63. 

 Myopoi-iniie, 175. 

 Myopoiuni, 176. 

 Myrioc-eplialus, 166. 

 Myriopliylluni, 158. 

 Myrtaccje, 158. 

 Naias, 180. 

 Neptuiiia, 155. 

 Neuracline, 183. 

 Newcastlia, 174. 

 Nicotiana, 172. 

 North Ereinian Kegion, 



Botanical features of, 119. 

 Nyctaginete, 151. 

 Obsidian bombs, 70. 

 Olga, Mount, 9. 

 Oldenlandia, 162. 

 Olivine, 89. 

 Ophileta, 104. 

 opiformis (Isoarca), 108. 

 Opis, 108. 



orbicularis (Isoarca), 107. 

 Ordovician system, 46. 



Extent of, 51. 



Stratigraphical relations of, 52. 



Structural features of, 53. 



Detailed s(!ctions of, 55. 



Isolated portions of, 59. 

 Origin of Flora, 123. 

 Orthis, 110. 



Orthoceras, 98. 



Ottelia, 178. 



Oxalis, 140. 



Pahearca, 108. 



Palaeontology, 97. 



Palniie, 179. 



Pallinmarchus, 71. 



Panicum, 182, 194. 



Pajjporophorum, 184. 



Parietaria, 144. 



Pedalinea?, 177. 



Pennisetum, 182. 



pentagonalis (Euomj)lialus), 105. 



Pepilidium, 194. 



Perotis, 183. 



Petalostylis, 155. 



Petrology, 82. 



PhyllanUuis, 143. 



Physical Geography, 1. 



Phytolaccea^ 150. 



Pimelea, 151. 



Pittosporeie, 138. 



Pittosporum, 138. 



Plagianthus, 141. 



Plagioclase, 84. 



Plantaginea', 170. 



Plantago, 170. 



Plectanthrus, 173. 



Pleurotomaria, 104. 



Pluchea, 164. 



Plumbagine;«, 145. 



Plumbago, 145. 



Podocoma, 164. 



Podolepis, 164. 



pollens (Pallinuiarchus), 71. 



Pollichia, 176. 



Polycarptea, 146. 



Polygalea', 139. 



Polygala, 139. 



PolygonacciB, 150. 



Polygonum, 150. 



Polymeria, 171. 



Pomax, 162. 



Portulaceai, 146. 



Portulaca, 146. 



Post-Cretaceous Phenomena, 68. 



Post-()rdt)vician Conglomerate, 60. 



Potamogeton, 180. 



Pre-Cambrian System, 33. 



Discussion on Age of, 37. 



