INDEX. 



Mimoceras, 1, 2, 3. 



Mimoceras compressum, 1. 



Mining Bureau, 173. 



Minot, 46. 



Mixed Faunas, 109-111, 116, 117. 



Mobringen, 4, 5, 63, 98, 132, 157, 175. 



Mosch, vii, 34, 113, 197. 



Mojsisovics, 3, 4, 6, 7, 22, 90, 93, 95, 96, 97, 100, 109, 

 113, 140. 



Mollusca, 10. 



Monophyllites, 4, 5. 



Monophyllites Suessi, 5. 



Monoplaoula, S. 



Monoplast (ovum), 8. 



Montloy, 121. 



Moravia, 86. 



Morphoceras, 23. 



Morphogenesis, Law of, viii. 



Morphological Difference, ix. 

 Differentials, viii. 

 Equivalence, viii, 21, 22, 25, 27, 28, 29, 30, 56. 



Morphology, Law of, viii. 



Moselle, 91, 117. 



Miihlfingen, 165. 



Muhlhausen, 129, 130. 



Munich, 122, 126, 137, 138, 151, 209. 



Munier Chalmas, viii, 14, 49. 



Muscle, Annular, 50. 



Museum at Bristol, 92, 139. 



Museum of Comparative Zoology, vii, 13, 76, 91, 95, 96, 

 121, 129, 131, 138, 142-144, 149, 157, 158, 159, 

 166, 169, 181, 185, 186, 1S8, 196, 199, 200, 205, 

 206, 209, 212, 219. 



Museum at Munich, 209. 



Museum at Ottawa, 87. 



Museum at Semur, 91, 103, 122, 141, 144, 162, 181, 

 196, 200. 



Museum at Stuttgart, 63, 77, 96, 99, 100-102, 122, 

 129, 131-133, 137, 141, 143, 149, 150, 157, 158, 

 165, 167-169, 171, 175, 179, 181, 185, 186, 192, 

 196, 197, 198, 206, 207, 209, 210, 214, 215. 



Museum at Tubingen, 157. 



Museum at Zurich, 197. 



Nsepionie stage, 9, 11, 12, 18, 25, 111 note, 195, 196. 



Natural Selection, 28, 38, 43, 50, 53. 



Nautili, 91, 111 note. 



Nautilini, 2, 25. 



Nautiloids, ix, 2, 8, 9, 11, 12, 14-16, 26, 28, 29, 34- 



37, 39, 48-53, 80, 117, 118. 

 Nautilus, 12, 29, 49-52. 



Nealogic, 12, 18-20, 23, 25, 139, 140, 150, 195, 206. 

 Nealogic Stages, 75, 111 note, 127, 128, 197, 206, 208, 



212. 

 Nellingen, 121, 156, 157. 

 Neoembryo, 8. 

 Neo-Lamarckian School, 43. 

 Neuffen, 121. 



Neumayr, 5, 6, 21, 29, 32 note, 33, 42, 56, 60, 61, 85, 

 S6, 88, 89, 90, 10S, 111, 112, 113, 117, 118, 

 122, 123, 126, 129, 134, 137, 139, 140, 147, 150 

 151. 



Nevada, 172, 173. 



Newberry, 117, 151. 



Newbold Quarries, 155. 



Nice, 114. 



Norites, 3, 4. 



North America, 86, 87. 



Northeastern Alps, xi, 55-57, 60, 61, 81, 85, 89, 90, 

 94-102, 106, 10S, 110-113, 115-118, 126, 136, 137, 

 139, 140, 151-153, 159, 202. 



North English Basin, 88. 



North Europe, 118. 



North German Basin, 88, 92, 93, 102, 108, 139. 



North Germany, 92, 93, 94, 96, 97, 98, 99, 100, 101, 102, 

 108, 114, 129. 



North Peru, 157, 163, 169. 



Northwest Germany, 92. 



Nostologic Stages, 20, 28, 32, 37, 46, 51, 183. 



Nurtingen, 137, 182. 



Obtusus Bed, 107, 109, 188, 196, 202, 206, 207, 208, 



210. 

 Oelschiefer, 163. 

 Oestringen, 141. 

 Ofterdingen, 209. 

 Olcostephanus, 23, 33. 

 Olcostephanus Gravesianus, 23. 

 Ontogeny, x. 

 Ooster, 90, 113. 

 Ophidioceras, 36, 47. 

 Ophioceras Johnstoni, 144. 



kridioides, 171. 



raricostatum, 145. 

 Oppel, 85, 97, 109, 110, 121, 122, 126, 138, 144, 149, 



150, 159, 160, 167, 175, 188, 196, 209, 213, 218. 

 Oppelia hecticus, 24. 



steraspis, 51. 

 Organic Equivalence, viii. 

 Origin of Differentials, 48. 



Floral Structures, 50 note. 



Variations, according to Weissman, 43. 

 Orthoceras, 1, 13, 26, 34, 37, 39, 46. 

 Orthoceras crotalum, Hall, 35 note. 



docens, Bar., 34. 



fusiforme, Hall, 35 note. 



politum, 11. 



truncatum, 11. 



unguis, 11. 

 OrthoceratidK, 12, 13, 20, 25, 35, 36, 48, 49. 

 Orton, 163, 169. 



Osterhornes Mts., 90, 93, 95, 96, 97, 100, 109. 

 Ostreadae, 118. 

 Ovum (monoplast), 8. 

 Owen, Richard, 8. 

 Oxynoticeran Branch, 214, 215. 



Series, 40, 69, 104, 106, 107. 



30 



