226 



!M)i:\. 



Ammonites Sampsoni, Port!., 121, 122 note. 



Sauzeanus, D'Orb., 184. 



Scipionianus, D'Orb., 107. 



Scipionianus, Quenst., 197. 



Scipionianus olifex, Quenst., 199. 



Scipionis, Key., 199. 



Scylla, Rev , 141, 142. 



semicostatas, Simp., 165- 



semicostatus, Y. & B., 105 note. 



Simpsoni, Wright, '-'17. 



sinemuriensis, D'Orb., 191. 

 ■sinemuriensis, Fraas, 110. 



sinemuriensis, Quensl . 101. 102. 



sircmotus, Quenst., 139. 



Smithi, Quenst., 201. 



Smithi, Sow., 201. 



solarium, Quenst., 191, 102. 



spinaries, Quenst., 184. 



spiratissimus, Hauer, 100, 141, 142, 143. 



spiratissimus, Quenst., 156. 



stellaris, 109, 202. 



stellaris. Coll., 1"". 



stellaris, Hauer, 201. 202. 



stellaris, Sow., 08, 200. 



stellaris, Ziet., 206. 



striaries, Quenst., 196. 



subangularis, Opp., 120. 



subarietinus, jUenegh., 106. 



subplanicosta. 105. 



Suessi, Hauer, 174. 



tenellus, Simps., 211. 



tortilis, Coll., 91, 137. 



tortilis, D'Orb., 137. 



torus, D'Orb., 137, 143. 



trachyostraca, Mojsis., 3, 6. 



Turneri, Opp., 208, 209. 



Turneri, Quenst.. 109, 201, 208. 



Turneri, Sow., 208, 210. 



Turneri, Ziet., 201, 202, 204. 



(Scaphites) umbilicus, 34. 



undaries, Quenst , 208. 



viotoris, Duni., 219. 



vertebralis, Sow., 82. 



Youngi, Simps., 170. 



zithus, 109. 

 Ammonoids, ix, 2, 3, 5, 9-19, 22, 25. 20, 31, 35-37, 39, 



44, 48-51, 80, 85, 117, lis. 

 Anachronic species, 110, 111 noti . 

 Analdainic Basins, 80. 



Faunas, 80, 111, 117, 118. 

 Analogies, 25. 

 Analogy, mimetic, 27. 

 Anarcestes, 1-4, 15. 17. 18, 22. OH. 

 Anarcestes fecundus, 1. 



subnautilinus, 2. 

 Anaplasis, x. 20, 30. 

 Anaplastic mode of development, 38, 39. 

 Anaplastology, 21. 

 Anagenesis, Laws of, 71, 74, 76, 77. 

 Ancyloceras, 29, 32. 



Androgynoceras hybridum, 41. 



Henleyi, 41. 

 Annular muscle, 00. 



Angulatus Zone and Bed, 89, 92, 93, 95-98, 101, 103, 

 °104, 106-111, 114-116, 119, 123, 141, 149, 154, 

 155, 105, 172, 175, 188. 

 Angustisellati, 3, 17. 

 Arcestes, 5, 111. 

 Arcestes priscus, Waag., 4 note. 

 Arcestime. 3, 4. 5, 7, 48. 

 Arcy sur Cure, 91. 

 Ard^che, 87. 

 Argouauta, 26. 

 Argentine Republic, 87. 

 Arietenkalk, 157, 167, 171, 187. 



Arietidje, xi, 5, 6, 7, 22, 24 note, 25, 30, 33, 34-37, 

 54-57, 67, 09, 83, 87, 89, 91, 98, 101, 105, 108, 

 110-113, 117-119, 121, 124, 130, 136, 156, 178, 

 184, 196, 200, 211. 214. 

 Arietidae, Genera of, 85, 87, 102, 105, 108, 110, 112. 

 Arietites, 22, GO, 151. 

 Arietites abjectus, 161. 



ambiguus, 174. 



bisulcatum, 186. 



bisulcatus, Wright, 170. 



Bonnardi, Wright, 157. 



Brooki, Wright, 206, 210. 



Bucklandi, 188. 



Campigliensis, 154 note. 



Castagnolai, Can., 216 note. 



Collenoti, Wright, 211. 



Conybeari, 95, 166, 167. 



Conybeari, Herbich, 95, 157. 



Conybeari, Wright, 157. 



Crossi, 1S2, 184. 



Crossi, Wright, 1S3. 



denotatus, Wright, 211. 



difformis, Blake, 169. 



discretus, 154 note. 



dorsicus, 161. 



impendens, Quenst., 211. 



impendens, Wright, 211. 



levis, Geyer, 125. 



Liasicus, Wah., 139. 



ligusticus, 154 note. 



Macdonelli, Tate & Blake, 164. 



multicostatus, 95, 194. 



niulticostatus, Herbich, 95, 157. 



Nodotianus, Wright. 162. 164. 



obtusus, 115, 151. 



obtusus, Wright, 201. 



raricostatus, Wright, 144, 145. 



rotiformis, 115, 188. 



rotiformis, Wright, 176, 186, 18S, 197. 



Sauzeanus, Wright, 186. 



Scipionianus, Wright, 197. 



Scylla, Rey., 142. 



Scylla, Wah., 141, 142. 



semicostatus, Wright, 165, 169. 



semilevis, 174. 



