B bacteria: 47 _Baculites_: 77 bags, collecting: 17, 18 Balcones fault zone: 36, 37 baluchitheres: 104, 106 _Baluchitherium_: 106 _Barbatia_: 74 Baylor County: 89 Baylor University: 1, 2, 27, 90, 91, 95 Beaumont: 1, 34 clay: 34 Beaver, Harold: 1 _Belemnites_: 77, 78 Belemnoidea: 78 belemnoids: 77, 78 _Bellerophon_: 61 Big Bend area: 35, 36 National Park: 35, 97, 102 Big Spring: 89 binomial nomenclature: 21-22 Bird, R. T.: 2, 15, 96 birds, fossil: 5, 100 Blastoidea: 81 blastoids: 26, 28, 81 Blinn College: 27 bone, permineralized: 9 Books About Fossils: 108-110 Boon, Jack: 1 Brachiopoda: 54, 55, 56 brachiopods: 26, 29, 54, 55, 56 articulate: 54, 55, 56, 57, 58 Cambrian: 55 Cretaceous: 56 inarticulate: 55, 56 Mississippian: 55 Pennsylvanian: 57, 58 Permian: 12, 13 Recent: 56 silicified: 12, 13 symmetry: 24, 26, 29 _Brachiosaurus_: 90 Brewster County: 11, 12, 35, 41 brittle stars: 82 Bronaugh, Richmond L.: 1 Brontosaurus: 90, 97, 98 _Brontotherium_: 104, 105, 106 Brown, L. F., Jr.: 1 Bryophyta: 44 Bryozoa: 51, 54, 55 bryozoans: 26, 27, 28, 30, 51, 54, 55, 84 Mississippian: 54 Pennsylvanian: 55 _bulla, Venericardia_: 72 Bureau of Economic Geology: 2, 19 burrows: 14 “button corals”: 49, 53 C _Calamites_: 48 calcite: 10, 11 callus: 59 _Calyptraphorus_: 64 _Camarotoechia_: 55 Cambrian— derivation and pronunciation: 34 fossils: 40 brachiopods: 55 graptolites: 86 of Franklin Mountains, Llano, Marathon, and Solitario uplifts: 40 camels: 106 _cameratus, Neospirifer_: 58 _Caninia_: 51, 52 _Canis diris_: 102, 103 _domestica_: 22 caprinid: 27, 30 caprock, of High Plains: 35 carbon residues: 10, 86 Carboniferous: 34 _carinata, Ostrea_: 71 Carnivora: 102 carnivores: 102, 103 _Caryocorbula_: 74 _Caryocrinites_: 81 Casey, Josephine: 2 casts: 11 catalog, fossil; number: 31 cement, portland: 19 Cenozoic— derivation and pronunciation: 33 periods of: 34 rocks in Texas: 43 central Asia: 106 central Texas: 11, 42 Cephalopoda: 56, 66, 75, 78 cephalopods: 24, 26, 27, 28, 29, 30, 66, 75, 76, 77, 78 ammonites: 75, 76, 77, 78 ammonoids: 75, 76, 77, 78 belemnoids: 77, 78 ceratites: 75, 78 coleoids: 77, 78 cuttlefish: 78 goniatites: 75, 76 nautiloids: 66, 75, 76 octopus: 66, 78 squid: 66, 78 sutures: 66, 75, 78 ceratites: 75, 78 ceratopsians: 90, 99, 100 _Ceratosaurus_: 90 _Cerithium_: 62 chalicotheres: 104, 106 Chelonia. _See_ turtles. chisels: 17 chitin: 10 chitons: 56 Chondrichthyes: 87 _Chonetes_: 57 Chordata: 84-102 chordates: 84 amphibians: 89, 92 birds: 100 fishes: 87, 88, 89