234 



INDEX. 



Oxynoticeras, 30, 33, 34, 47, 48, 54, 55, 71, 77, 78, 

 80, 82, 83, 84, 101, 100, 107, 108, 109, 114, 11(5. 

 148, 214. 

 Oxynoticeras Aballoeuse, 220. 



Buvigneri, 220. 



Castagnolai, 216. 



Collenoti, Geyer, 213. 



Greenoughi, 69, 213, 214, 216, 218. 



Guibali, 69, 83, 115, 214, 215, 218, 219. 



Guibalianum, 218. 



Janus, 221. 



Lotharingurn, 34, 51, 69, 78, 83, 112 note, 214. 

 216, 218, 220. 



Lymense, 69, 83, 102, 217, 21S. 



numisraale, 103, 217. 



Oppeli, 69, 70, 102 note, 103, 217, 221. 



oxynotum, 21, 40, 46, 69, 83, 101, 102, 199, 214. 

 215, 216, 218, 221. 



Siuipsoni, 69, 102, 217. 

 Oxynotum Subseries, 106. 

 Oxynotus Bed, 107, 109, 111, 129, 201, 213, 215. 



Zone, 106, 107, 116. 



Paehydiseus, 23. 



Packard, 3, 43, 47, 52. 



Paraerne, x, 21, 107, 112. 



Parisian Basin, 87. 



Parallel Character of Differentials, 84. 



Parallel Series, 27. 



Parallelism, 22, 25, 27, 28, 43, 50, 53, 109. 



Parthenkirchen, 93. 



Pathological Species, 30. 



Pavlow, 115. 



Pelecypoda, 8. 



Peltoceras athleta, 22, 42. 



Pentacrinus Bed, 19S. 



Pentacrinus tuberculatus, 153, 155. 



Perisphinctes, 24, 87. 



Perisphinctes aberrans, 33. 



Defranci, 24. 

 Peru, 86, 87, 115, 118, 151, 153, 169. 

 Petschora Land, 86. 

 Pettos Stock, 23. 

 Pfonsjoch, 122, 129, 134, 137. 

 Pforen, 168, 171, 197. 

 Phragmoeeras perversum, 34. 

 Phylembryo, 8, note. 

 Phylloceras, 27, 122 note. 



Boblayi, 216. 

 Phymatoeeras enervatum, 24. 

 Physical Selections, ix, 52. 

 Physical Surroundings, action of, x, 52 note, 53. 

 Physiological Equivalent, x. 

 Pictet, 33. 

 Pictetia, 21. 

 Piette, 123. 

 Piloceras, 12, 13, 52. 

 Pinnacites, 51, 80.- 

 Placenticeras, 31, 32. 



Placenticeras placenta, Meek, 31. 



Planicosta Bed, 105, 209, 213. 



Planorbida;, 29, 30, 31, 78, 118. 



Planorbis Bed, 57, 85, 90, 91, 92, 94, 104, 110, 114, 



115, 116, 122, 129, 134, 197. 

 Planorbis Zone, 29, 90, 91, 92, 94, 104, 107, 108, 116. 

 Planulati, 42. 

 Plicatifera, 24, 42. 

 Plicatus Stock, 25, 54, 55, 57, 80, 81, 83, 107, 112, 11G, 



121, 122, 125. 

 Pliensbach, 210, 215. 

 Polar Hornozoic Band, 87. 

 Poland, 86. 

 Polygenesis, 118. 



Polyphylletic Origin of Forms, 31. 

 Popanoceras, 4, 5, 24. 

 Popanoceras antiquum, 4, 5, 23. 



Kingianum, 5, 123, 124. 

 Portlock, 164. 

 Portugal, 86. 

 Pouriac, 115. 

 Pourtales, 121. 

 Primary Radicals, 3, 22. 

 Primitive Radicals, 3, 16, 52. 

 Primordialida?, 51. 

 Prodissoconch, 8, note. 

 Progressive Characteristics, Genesis of, 71. 

 Progressive Forms, Morphogical Equivalence in, 21, 



22. 

 Progressive Series, 25. 

 Prolecanites, 3, 4, 5. 

 Prolecanitidae, 4. 

 Pronorites, 4. 

 Protection, effect of, 47. 

 Protembryo, 8. 



Protoconch, 1, S, 11, 13, 14, 49. 

 Protozoa, 8. 



Provence, 91, 113, 114, 116. 

 Psiloceran Branch, 120. 



Psiloceran or Radical Stock, 54, 57, 71, 80, 81, 107. 

 Psiloceras, 5-7, 13, 22, 23, 34, 35, 52, 54, 56-60, 71- 

 73, 75, 78, 80, 84, 85, 89, 90, 92, 93, 101, 102, 

 113, 114, 117, 118, 120, 125-128, 131, 136, 137, 

 155, 195, 197, 215. 

 Psiloceras acutidorsale, 162. 



aphanoptychum, 123. 



Atanatense, 122. 



Berthta, 123. 



calcimontanum, 123, 124. 



caliphyllum, 54, 55, 57, 85, 90, 112, 117, 122. 



crebricinctum, 123. 



(iEgoc.) crebrispirale, 124. 



(^goc.) Portisi, 124. 



cryptogonium, 123. 



Hagenowi, With., 90, 93, 120, 123, 124, 174 note. 



Kammerkarense, 123, 124. 



longipontinum, Wah., 91, 93, 122, 123. 



majus, 123. 



mesogenos, 21, 75, 124. 



megastoma, 96. 



