INDEX 



Page numbers referring to descriptions are printed in black face type. 



Aachen, Intumescens fauna, 351, 352. 

 Acanthodes, 202. 



pristis, 358, 360. 

 Actinocrinidae, 349. 

 Actinopteria, 263-64. 



boydi, 263. 



delta, 264. 



epsilon, 264. 



eta, 264. 



perstrialis, 264. 



sola sp. nov., 263-64, 363. 

 explanation of plate, 417. 

 Adorf limestone, 351, 353, 354, 368, 369, 



370. 

 Agassiz, A., cited, 201. 

 Alabama, black shale, 372. 

 Alps, eastern, Intumescens fauna, 353-54. 

 Altai, Intumescens fauna, 355. 

 Alvinston, Canada, 375. 

 Ambonychias, 227. 

 Ammonitoid faunas, 350. 

 Amnigenia catskillensis, 205. 

 Amphigoniacea, -225. 

 Andrussow, cited, 200. 

 Angola N. Y., 266, 300, 301, 303, 338. 

 Angola shales, 214, 345, 348, 357, 365, 366, 



368, 370, 380, 381. 

 Aporoxylon primigenium, 369, 375. 

 Appalachian gulf, 199; apex must have 



reached to Albany, 204; bionic provinces 



during Portage time, 209-11. 

 Araucarites ungeri, 375. 

 Archaeopteris, 206. 

 Archanodon, 205. 

 Astarte subtextilis, 292. 

 Asteropteris, 201. 

 noveboracensis, 364. 



Athabasca, Canada, 376. 

 Athyris cora, 307. 

 Attica N. Y., 257, 266. 

 Aulopora, 218. 



annectens, 360, 364. 

 Aurora N. Y., 252. 

 Avicula, 226, 294, 295. 



dispar, 271, 272. 



fragilis, 247, 249, 250. 



hians, 265, 371. 



laevis, 376. 



problematica, 371. 



speciosa, 295. 

 Aviculoids, 218. 

 Aviculopecten, 247. 



fragilis, 249. 



Bacterium hydrosulfuricum ponticum, 200. 

 Bactrites, 352, 354, 357, 366, 372, 381-82. 



aciculum, 212, 358, 361, 366, 373. 



carinatus, 355. 



gracilior, 358, 361, 366, 371. 



gracilis, 352. 



subflexuosus, 353, 355, 361, 366, 368, 370, 

 381. 

 Bainbridge O., 347. 

 Barcelona N. Y., 293, 306, 311. 

 Barrande, J., cited, 216, 219, 221, 269, 2jy, 



279, 281, 305. 

 Barrois, C, cited, 351. 

 Bavaria, Germany, black shales, 200. 

 Beaver Dams N. Y., 318, 326. 

 Beilstein, Germany, 278. 

 Belgium, Intumescens fauna, 351, 352; 



brachiopod fauna, 383. 

 Bellerophon, 218, 320-22. 



