350 THE TRANSFORMATIONS OF THE ANIMAL WORLD 



Phyletic branches, Table of, in 



Geological time, 191 



Vertebrates, 167 



Phylloceras (Ammonite), 69, 



IS7-8 



capitanei series, 158 



Partschi series, 158 



tatricum series, 158 



ultramontanum series, 158 

 Phylogeny and Ontogeny, law 



of parallelism, 44 

 Physostomes, series of similar 



groups, 112 



Pinacoceras, 196, 229, 236, 238 

 Pineal eye in Hatteria, etc., 218 

 Pinna, 163 

 Pithecanthropus, 59 

 Placoderms (Ganoid fishes), 51, 



57, 98, 102, 168, 321 

 Placosaurus, 225 

 Plagiaulax , 172-3 

 Planead stage of Haeckel, 55 

 Planorbis multiforis, Hilgen- 



dorf on, 67 

 Planula, 46, 47 



Plastron, ventral of Verte- 

 brates, 93 



Platyrhine, group of Apes, 40 

 Plesiosauri, 9, 51, 170, 301 

 Pleuroderous turtles, 301 

 Pleurotomas, 159 

 Pleurotomaria, 94, 159, 164 

 Pliauchenia, 81 

 Podocnemis, 171 

 Pcebrotherium, 81, 256 

 Polymorphism, 133 

 Polyps, 17, 30, 46, 67, 93, 102, 



320 

 Polyptera, descendant of 



rhomb-scaled Ganoids, 170 

 Potomachercs, 316 

 Prestwichia, 256 

 Primates (Man, Ape, Lemurs), 



39. 174 



Proboscidians (Elephants, etc.), 

 ancestry of, 182 



discovery of Palesomastodon 

 in Oligocene of Libya, 251 



dwarf Elephants, 204 



Proboscidians (Elephants, etc.), 



Evolution of, 179-83 



Haeckel on, 54 



Mammoth and Mastodon in 

 England, 284 



Mastodon and Elephant of 

 Montmartre, 8 



Miocene and Pliocene Mas- 

 todons, 1 88 



Southern Elephant, etc.,2ii 



table of Evolution of, 1 80 



teeth of Dinotherium, 226 

 Prodissoconch, 262 

 Proganochelys, 248 

 Promammalian stage of Haec- 

 kel, 56 



Prorastomus , 208 

 Prosimians, 54 



Pro simian stage of Haeckel, 56 

 Protamniotic stage of Haeckel, 



56 



Proteodidelphys, 306 

 Protista, Haeckel' s " kingdom" 



of, 45, 70 

 Protoadaptis, 312 

 Protolabis, 81 

 Protolycosa (early Scorpion), 



164 



PromverridcB, 311 

 Pseudoceratitidae, 286 

 Pseudoluri, 314 

 PseudosciuridcB, 312 

 Psiloceras, 260, 286 



planorbis, 260 

 Pterodactyl, flying lizard of 



Secondary times, 9, 95 

 Pterodon, 317 

 Pteropods, 94, 102, 165 

 Pulchelliides,, 261 

 Pygidium (tail of Trilobites), 



320 

 Pythonomorphs, 224, 278 



QUAGGA, the, 73 



RACES, local or regional, 137 

 Radiate animals, Lamarck on, 

 30 



Haeckel on, 46 







