SCIENTIFIC INDEX. 



Ixi 



persimilis, 241, 215, 276. 

 pulchella, 283, 215, 227, 276, 284, 285. 



var. persimilis, 284, 227. 

 ramosa, 276, 215, 285. 

 sigillaroidea, 276. 

 subnodosa, 276. 

 subplana, 276, 215. 

 undulata, 297, 215, 276. 

 Calloporella, 107, 290. 

 Calloporidje, 275, 107, 109, 289, 290. 

 Callotrypa, 107. 

 Camarella bernensis, 383. 

 bisulcata, 470. 

 hemiplicata, 382. 

 owatonnensis, 470, 471. 

 Carboniferous, Bryozoa, 111; flora, 6, 2. 

 Catskill group, ferns, 6. 

 Cell, 98. 



interstitial, 98. 

 Cellariidse, 187. 



Cenomanian, 6, 1, 3-7; Bryozoa, 111. 

 Ceramophylla, 331, 107. 330, 332. 



f rondosa, 33 1 . 

 Ceramopora, 107. 



Ceramoporclla, 328. 102, 107, 238, 320, 322, 330. 

 distincta, 328, 330. 

 inclusa, 329, 328, 331. 

 interporosa, 33O, 328, 329. 

 ohioensis, 329. 

 Cerarnoporidfc, 319, 104, 107,109.148,322,324,326, 



330. 

 Cerionites, 67. 



dactyloides, 67, 60. 

 Chaetetes, 307. 



colliculatus, 304. 

 cumulata, 307, SOI, 304. 

 delicatulus, 263, 

 gracilis, 231. 

 granuliferus, 323. 

 lycoperdites, 246. 

 ly coper don, 246. 

 ortoni, 306. 



Chainodictyon, 106, 111, 207, 209. 

 Chalk. 49; microscopic preparation, 26. 

 Chazy, Bryozoa, 108, 214. 

 Chiloporella, 107, 327. 

 Chilostomata, 105, 109, 111. 

 Chilotrypa, 107, 110. 

 Cincinnati group, Trepostomata, 109. 

 Cinnamomum, 8, 5. 



scheuchzeri, 16, 9, 22. 

 Cissus, 8, 5. 



atlantica, 17. 

 browniana, 17,9, 22. 

 nimrodi, 17. 



Classification, Bryozoa, 105, 104. 

 Clathropora, 106, 109, 163, 180, 185. 



flabellata, 180, 185. 

 Clay, microscopic preparation, 25. 

 Climacograptus typicalis, 82*. 

 Clitambonites, 377, 334, 378, 380, 400. 

 americamis, 378. 



diversa, 378, 334, 337*, 380, 399, 421, 428, 461. 

 var. altissima, 381. 



ClitarnbonitidiE, 381. 

 Clonopora, 107, 110, 121-123. 

 Coccoliths, 49, 23, 52. 

 Coccospheres, 49. 

 Coelenterata, 81 . 

 Cceloconus, 106, 110. 

 Co3no3cium, 98. 

 Coin-stones, 27. 

 Columnaria, 85, 83. 90. 

 alveolata, 85, 86. 

 halli, 85. 86. 

 incerta, 83. 



Communication pores, 98. 

 Conchiolites, 95. 

 flexuosus, 84. 

 minor, 95. 



Conchites rhomboidalis, 410. 

 Constellaria, 311, 107, 186, 289, 290, 309, 313. 

 flscheri, 311. 

 florida, 311. 

 limitaris, 312, 311. 

 parva, 311. 

 polystomella, 311. 

 varia, 311. 

 Constellaridie, 290. 

 Corallistes microtuberculatus, 71*. 

 Corallites, spiniform, 98. 

 Corals, chapter, 55-95. 

 Cordiateie, 6, 2. 

 Cordaites, 2. 

 Correlation of floras, 6. 

 Coscinella, 106, 110, 185. 

 Coscinium, 106, 110, 180, 185. 



proavium, 180, 185. 

 Coscinopora infundibuUformis, 60. 



sulcata, 57. 



Covers, zooecial, 98, 104. 

 Crania, 372, 373-376. 

 craniolaris,'372. 

 granulosa, 373. 

 halli, 375. 



multipunctata, 373. 

 scabiosa, 373, 374. 

 setigera, 372, 373-375. 

 trentonensis, 374, 373. 

 Craniella, 374, 375. 

 hamiltoniJB, 374. 

 meduanensis, 374. 

 ulrichi, 375, 374. 

 Craniidae, 372. 

 Cratasgus, 8. 



atavlna, 2O, 9, 22. 

 Credneria, 7, 8. 



Crepipora, 322, 107, 248, 324, 327. 

 epidermata, 325, 322. 

 hemispherica, 324, 323. 

 impolita, 327. 

 perampia, 323, 304. 

 simulans, 322. 

 spatiosa, 323. 

 subasquata, 322. 



Cretaceous, appearance of dicotyledons in middle, 

 6; Bryozoa, 111; chapter on fossil plants from 

 Minn., 1-22; chapter on microscopic fanna of 



