508 



INDEX. 



Archimulcicris, i. 406, 407. 



Architarbus, i. 401. 



ArchiulidoE, i. 404. 



Archiulits, i. 40.3, 404. 



Arctocyon, ii. 395, 399. 



Arctomys, ii. 411. 



Arctotherium, ii. 394. 



Arcturus, i. 390. 



Areia, i. 377. 



Arerdcola, burrows of, i. 319. 



Arenicolites, i. 318. 



Arethusina, i. 354, 370, 371. 



Argillaceous deposits, supposed organic 



origin of, i. 25, 2(). 

 Argillornis, ii. 260. 

 Argiope, i. 443. 

 Argonauta, ii. 89. 

 Argonautidce, ii. 57, 88. 

 Arietites, ii. 82. 

 Arionellus, i. 363, 368. 

 Aristozoe, i. 344, 345. 

 Armadillos, ii. 300, 305, 307. 

 Aroides, ii. 468. 

 Artemia, i. 347. 

 Artemis, i. 504. 

 Arthrolycosa, i. 400, 401. 

 Arthrophycus, ii. 443. 

 Arthropoda, i. 308, 327. 

 Arthropterus, ii. 164. 

 Articulata (Brachiopoda),!. 440; (Crm- 



oidea), i. 271. 

 Artiodactyla, ii. 319, 341. 

 Arvicola, ii. 410. 

 Asaphidce, i. 363, 374. 

 Asaphus, i. 354, 355, 358, 363, 374, 375. 

 Ascidian Molluscs, i. 411. 

 Ascoceras, ii. 69, 72. 

 Asiphonida, i. 468, 471. 

 Asijj/ionida iLamellibranchiata), i. 468, 



471-492. 

 Aspergillum, i. 510. 

 Aspidiaria, ii. 458. 

 Asjjidocaris, i. 348, 349. 

 Aspidoceras, ii. 83. 

 Aspidorhynchus, ii. 132. 

 Aspidura, i. 258. 

 .ils^ttcMS, i. 393. 

 Astarte, i. 500, 501. 

 Astartella, i. 501. 

 Astartidce, i. 500. 

 Asteriadce, i. 248, 249, 251. 

 Asterias, i. 251. 

 Asterinidce, i. 248, 249. 

 Asieroidea, i. 225 ; characters of, i. 244- 



248 ; distribution of, in time, i. 249. 

 Asterolepis, ii. 150. 

 AderophyLlites, ii. 448, 449, 456, 462. 

 Asthenosoina, i. 234. 

 Astrcea, i. 185, 192. 

 Astrmidce, i. 187, 189, 191, 192. 

 Astrceopora, i. 197. 

 Astrwospongia, i. 135. 

 Astrangia, i. 187. 

 Astrocladia, i. 149. 

 Astrocrinites, i. 304. 

 Astrogonium, i. 252. 



Astromma, i. 132. 

 Astropecten, i. 245, 251, 252. 

 Astropectinidw, i. 248, 249, 251. 

 Astropyga, i. 232. 

 Astylocrinus, i. 285. 

 Astylospongia, i. 144. 

 Athyris, i. 444, 446, 447. 

 Atlantic Ooze, i. 15, 16. 

 Atlantidce, ii. 6, 39. 

 Atlantochelys, ii. 197. 

 Atlantosaurus, ii. 234, 237. 

 Atrypa, i. 446, 448. 

 Aturia, ii. 68. 

 Aucclla, i. 447. 

 Auchenaspis, ii. 147. 

 Auchenia, ii. 356, 357. 

 Aidacoceras, ii. 72. 

 Aulocopium, i. 148. 

 Aulophyllum, i. 216. 

 Aulopora, i. 204, 205. 

 Aulosteges, i. 458. 

 Auriculidce, ii. 6, 45. 

 Aurochs, ii. 368. 

 j4ws, ii. 242. 

 Avicula, i. 476, 477. 

 Aviculida;, i. 468, 470, 476. 

 Aviculopecten, i. 474. 

 Aviculopinna, i. 483. 

 yla;iwMs, i. 499. 

 Axopora, i. 172. 



Bactrites, ii. 59, 75. 



Bacidites, ii. 59, 75, 85. 



Bairdia, i. 346. 



Bakewellia, i. 481. 



Balcena, ii. 312, 313, 314. 



Balcenidfe, ii. 312, 313. 



BaUenodon, ii. 317. 



Balanidce, i. 335, 336, 337. 



BalanophyUia, i. 187, 196. 



Balanus, i. 334, 336, 337. 



Balistidce, ii. 130. 



Banksia, ii. 468, 473. 



Baphetes, ii. 181, 183. 



Barbadoes Earth, i. 23, 130. 



Barnacles, i. 338. 



Barramunda, ii. 166. 



Barrandia, i. 375. 



Bathmoceras, ii. 72. 



Bathmodon, ii. 321. 



Bathygnathus, ii. 231. 



Bathyurelliis, i. 368. 



Bathyurus, i. 368. 



Batidcs, ii. 156, 162. 



Batocrinus, i. 278. 



Batrachia, ii. 177. 



Batrachiderpeton, ii. 184. 



Battersbyia, i. 189, 191. 



Beatricea, i. 217, 218. 



Beaumontia, i. 202. 



Beleninitella, ii. 94. 



Belemnites, ii. 92, 93. 



Belemnitidce, ii. 57, 59, 88 ; characters 



of, ii. 91 ; sections of, ii. 94. 

 Belemnosepia, ii. 94. 

 Belemnosis, ii. 91, 95. 



