420 



INDEX. 



Basilosaurus, . . . . . . . 77, 348 



Bear creek, . . . . . . . . 205 



Bedford county, iron ore beds, . . . . . 177 



Bellerophon hiulcus, ....... 249 



Big Bone cave, formation of nitre in, . . . . . 238 



Birds, fossil, ........ 75 



Bituminous anthracite or transition coal, . . ' . . 177 



coal of Blossburg, . . . . . . 211 



Blossburg, analysis of its coals and iron ore, .... 219 



on the Tioga river, . . . « . 204 



mineral basin of, ..... , 204 



coal field of, ...... 204 



quantity of coal vrithin its coal basin, . . . 217 



Blue Ridge mountains, Pennsylvania, .... 301 



limestone of Shenandoah, . . . . . 300 



Bones of the Mastodon and Megalonyx, their localities in Tennessee, 230 



Boon's creek, ........ 205 



Bos, fossil, . . . . . . . . 71 



bombifrons, ....... 71 



latifrons, . . . . . . . .71 



pallasii, ........ 72 



Bradypus tridactylus, teeth of, ..... 41 



didactylus, teeth of, . . . . - . . 43 



Branchiopoda, . . . . . . . .96 



Breithaupt, characteristics of his classes and orders, . . . 113 



Brongniartia, . . . . . . . . 105 



Burke rocker for washing gold, ..... 22 



Calamopora maxima, . . . . . . . 248 



spongites, ....... 249 



hemispherica, ...... 249 



alveolaris, . . . . . . . 249 



basaltica, . . . . . . '. 249 



favosa, . . ... . .249 



gothlandica, ...... 249 



milleporacea, ...... 249 



polymorpha, . . . . ■ . ' ■ 269 



Calceola sandalina, . . . . . . . 249 



Calymene, . . . . . . . .99 



Cancer, ......... 95 



Cannel coal of Blossburg, ...... 221 



Cape anteater, teeth of, . . . . . . 44 



Carnassiers, fossil, ....... 72 



Carpenter's run, ....... 205 



Cartilaginous fishes, ....... 89 



Catenipora escharoides, . . . • - • 249 



labyrintica, ...... 249 



mseandrina, . . . . . . 248 



Cervus Americanus, ....... 70 



Cetacea, fossil, . . . . . . . .73 



proper, ... ...^ 74 



