INDEX. 



Acadian Group, 79. 



Acer, 308. 



Aceroulana, 119, 173. 



Acidaspis, 123. 



Acorn-shells, 267. 



Aoroculia, 128. 



Acrodus, 214, 212, 275; nobilis, 242. 



Acrotreta, 11U 



Acroura, 120. 



Actinocrinus, 175. 



jEglina, 108. 



^Epiornis, 348. 



Agiiostus, 85-87, 108 ; rex, 85. 



.4 tees malchis, 354. 



^Itecfo, 108. 



Alethopteris, 136, 165,196. 



Algae (see Sea-weeds). 



Alligators, 218, 297. 



^.'nws, 262. 



Amblypterus, 188; macropterus, 188. 



Ambonychia, 111. 



Ammonites, 187, 212-214, 237-239. 272; 

 Humpliresianus, 238 ; bi/rons, 238. 



AmmonUidce, 239, 272, 285, 294. 



Amphibia, 189; of the Carboniferous, 

 189-191 ; of the Permian, 200 ; of the 

 Trias, 215-217; of the Jurassic, 242; of 

 the Miocene, 313. 



Amphicyon, 322. 



A mphilestes, 253. 



Amphiffpongia, 118. 



Amphintegina, 311. 



AmphMierium, 253 255; Prevostii, 254. 



Amphitragulus, 317. 



Amplexus, 173; curalloides, 174. 



Ampyx, 108. 



Ananehy'es, 266 



Anchitherium, 3'U, 302. 



Ancyliceraa, 272, 273; Mather onianus, 

 273 



Ancylitherium Pen'elici, 315. 



^Indr.a.; Scheuch&ri, 313, 314. 



Ang'ospeniis, 261, 202. 



Animal Kingdom, divisions of, 375-378. 



Anisupm, 20b. 



Annelida, of the Cambrian period, 82, 

 83; of the Lower Silurian, Iu7; of the 

 Upper Silurian, 122, 123 ; of the De- 

 vonian, 143, 144 ; of the Carboniferous, 

 178. 



Annularia, 137, 196, 207. 



Anomodontia, 220. 



Anoplot/teridce, 302. 



Anoplotherium, 302, 303; commune. 303. 



Ant-eaters, 299, 315, 349, 350, 353. 



Antelopes, 317. 



Anthracnsaurus Husssllt, 190. 



Anthrnpalcemon gracdis, 180. 



An'Moaapra, 318. 



^ ntilope rjuadricornis, 318. 



Antwerp drag, 325. 



Apes, 32.5. 



Apiucrinus, 231. 



Apteryx, 346, 348. 



Aqueous locks, 15. 



^r;(c/mid of the Coal-measures, 181. 



Avalo-Ciispian Beds, 326. 



^.ratMxtria, 2^2. 



Araucarinxylon, 170. 



^4rca, 198 ; antiqua, 199. 



Archcenc daria, 178. 



Archceocyathus, 82. 



Archceupteryx, 252, 281; macrura, 252, 



Archceosphcerince, 75 



Archimedes, 184; Wortheni, 183. 



^rcAiMitw, 1S2. 



Arctic regions, Miocene flora of, 310. 



Arctucyon, 3"4. 



Arenaceous rocks, 20. 



Arenicolites, 83 ; didymus, 88. 



Arenig nu-ks, 92, 94. 



Argillacfoiis rocks. 20. 



Armadillos, 2i'9, 351, 353. 



Arti'idactyle Ungulates, 300, 317. 



Asaphua, 108; tyrannus, 107, 108. 



Ascocera*, 130. 



Aspidella, 76. 



Aspidura loricata, 210. 



Astarte bnreali, 338. 



Asterophylli'es, 137, 196. 



Asterus'eus, 152. 



Astrceidm 231. 



As'rceospi>ng_ia, 118, 139. 



Astylospongia, 98 ; prcu-nwrsa, 98. 



Athyris, 11 , 127, 147, 198 ; ttubtilita, 185. 



Atlantic Ooze, 2J, 23. 



Atrypa, 127; congesta. 127; hemisphce- 



rica, 127 ; reticularis, 147, 148. 

 Auger-shells, 293. 

 Aurochs, 356. 

 Aves (.see Birds). 



