INDEX OF SUBJECTS 



349 



Origin of Cephalopods, Gaudry 

 on, 102 



of Horse, 72, 73 



of Life, unknown, 336 



of Mammals, 52, 305 



of Man, Darwin on, 40 



Haeckel on, 57 



Lamarck on, 32 



of Vertebrates, 41, 86 

 Origin of Species (Darwin's), 35 

 Ornithopsis, 300 

 Ornithorhyncus, 13, 31, 52, 56 

 Orodus, 169 



Orthoceras, Gaudry on shell of, 



1 02 



Orycteropes, 315 

 Osmeroidae precursors of the 



salmon, 170 



Osteolepis (Ganoid fish), 170 

 Ostracods, 164, 320 

 Ostriches, approaching final 



phase of their existence, 243 

 Otters, 314 

 Oxynoticeras (Ammonite), 161, 



229, 261 

 Oysters, fixation of free larva, 



218 



PACHY^ENA, 312 

 Pachy discus, 196, 236 

 Pachylemurians, 308 

 Palcsobatrachus, 248 

 Palcsoechinida, 116 

 Palceogalus, 313 

 Palfsohatteria, 247 

 Palcsomastodon, 182-3, 189, 251 



Beadnelli, 183, 199 

 Palceomitis, 312 

 Palaeontology, Cuvier the crea- 

 tor of, 16, 121 



Darwin on, 37 



Evolutionary Ideals in, 61, 

 123 



Persistent Embryonic types 



255 



term " mutation " for " spe- 

 cies," 191 



Zittel von, his Handbuch, 

 109, 1 2j 



Palaeontology, Zittel' s Zurich 



address, 112 

 Palceosaurus, 299 

 Pal&otheridce, first appearance, 



Palcsotherium (three-toed horse) 



7, 29, 72, 100, 152, 278 

 PalcBotherium crassum, 152 



medium, 151 

 Paloplotherium, 104 

 Paludina Margeriana, 69 



Neumayri-Hornesi, 69 

 Paludines, the variations of, 68 



Paul on the Levantine, 272 

 Panama, closing of isthmus in 



Pliocene times, 282 * 



Paradoxides, 324 



rugulosus, 144 

 Pareiasauridce, 296 

 Parmophorus, 228 

 Parrots, beaks of young, 218 

 Patelloid groups, 228 

 Patocerata (Ammonite), 214 

 Pecten, 159, 194, 218, 263 



latissimus, 29 1 



restitutensis, 291 

 Pectunculus, 262 

 Penguin, Lamarck on, 31 

 Pentacrinum, 8 

 Perameles, 13 

 Perisphincta, 21, 159 

 Peristome of Helix, 132 

 Peroniceras tricarinatum, 229 

 Phalanger, flying, 13 

 Phascolomes, 13 

 Phasmidcs of the Coal period, 



95 



Phenacodus, 311 



Phillipsice, 239 



Pholadomyae, 67, 159 



Phragmocone of Belemnites, 

 1 02 



Phyletic branches, Austrian 

 palaeontologists on, 155 



Evolution of by slow 



variation, 269 



Increase in size of, 193 



Specialization and non- 

 specialization of, 206 



