76 



INDEX. 



Page. 



Exogyra, definition of 41-42 



geologic range of -■ 42 



ranges of, diagram showing 44 



weathered from Seima chalk, plate showing 20 



Exogyra costata Say, description of 51 



geologic occurrence of 51-52 



localities of 52-53 



occurrence of 17,18,19,31,34,35,37,38,54 



plates showing . 64, 66, 68, 70, 72 



range of 24, 44, 45 



Exogyra costata var. cancellata var. now, description of 53 



geologic occurrence of 54 



localities of 54-55 



occurrence of 18, 34, 35, 3S 



plate showing 72, 74 



proposal of name 43 



range of 24, 44, 45 



Exogyra costata zone, extent and position of 23 



fossils in 34-36 



plants in _ 39 



vertebrates in 3S-39 



Exogyra ponderosa Roemer, description of 46-47 



geologic occurrence of 44— IS 



localities of 48-49 



occurrence of 17, 19, 27. 29, 30, 31, 32 



plates showing 58, 60, 62 



range of 24. 43-44 . 45 



Exogyra ponderosa var. erraticostata var. now, description of. . . 49 



geologic occurrence of 49-50 



localities of 50 



occurrence of 19. 27, 29,30, 31 



plates showing 62, 64 



proposal of name 42-43 



range of 24, 44. 45 



Exogyra ponderosa zone, correlation of 31-34 



extent and position of 23 



fossils in 27-28 



plants in 33 



subzone of, above Mortoniceras subzone, fossils in 30-31 



vertebrates in 32-33 



Exogyra upatoiensis sp. now, description of 42. 46 



occurrence of 25 



plate showing 58 



range of 24, 43 



F. 



Faunal zones aud subzones, discrimination of 23-24 



generalized section showing 23 



Fern, not determinable 39 



Ficus sp. nov 33 



Fossils, Cretaceous, areas of collect ions of, map showing 24 



Cretaceous, localities of 23 



range of, Chattahoochee River and Georgia, table showing. 24 



east of M ississippi River, table showing 24 



in east-central Mississippi, table showing 24 



in northern Mississippi, tables showing 24 



in region of Alabama River, Ala., table showing 24 



in region of Chunnenugga Ridge, Ala., table showing. . 24 

 in region of Warrior and Tombigbee rivers, Ala., 



table showing 24 



in western Tennessee, table showing 24 



Fusus holmesianus Qabb 



novemliratus Conrad 24, 35 



tippanus Conrad 24, 35 



G. 



Galeocerdo sp 38 



Gari elliptica Gabb 24.33 



chsena americana Gabb 24.2i 



Gervilu'opsis ensiformis iConrad) 24,27,29 



sp. nov 24.34 



.'. W., acknowledgments to 7 



Cilmore. C. W., acknowledgments to 7 



G lycymeris subaustralis I D'Orbigny) 24. . 



Grypluva aucella Roemer'. 24. 27, _ 



sp 24 2! 



vesicularis Lamarck 24,27,; 



vomer (Morton) 24, 27, 30, 35 



Page. 



Gyrodes abyssina (Morton) 24, 28, 29, 35 



crenata Conrad 24, 28, 29, 30, 35 



petrosa (Morton) 24, 35, 37 



Hamburg beds, correlation with 10-11 



Hamites sp. nov 24, 36, 37 



torquatus Morton 24, 28, 29 



Hamulus major Gabb 24, _7, 29, 30 



onyx Morton 24, 27, 29, 30, 34 



squamosus Gabb 24, 27, 29, 30, 34 



Hemiaster lacunosus Slocum 24,34,37 



parastatus (Morton) 24, 34 



ungula (Morton) 24, 34 



Hemiptychodus mortoni Mantell 32, 33 



Hilgard, E. W., cited 12 



classification by 12 



I. 



Inoceramus argenteus Conrad 24.34 



Ischyrhiza mira Leidy 32,38 



Isocardia cliffwoodensis Welter 24, 28,30, 31 



J. 



Johnson. L. C, and Smith, E. A., classification by 12 



Johnson, L. C. Smith, E. A., and Langdon, D. W., jr.. cited 15,16 



Lamna texana Roemer 27,32,38 



Langdon, D. W.. jr.. Smith, E. A., and Johnson, L. C, cited 15, 16 



Laurus sp 39 



Laxispira lumbricalis Gabb 24, 35 



Leda longifrons Conrad 24,27,29,30,34 



pinnaforma Gabb 24, 27, 30, 34 



protexta Gabb 24, 27, 30, 34 



Legumen planulatum (Conrad) 24, 28, 29, 30, 35 



Leposolen biplieata (Conrad) 24,25,28,29,30,35 



Lima acutilineata (Conrad) 24,35,38 



pelagica (Morton) 24, 27, 29, 35 



reticulata Forbes 24,27,29,30,35 



sp. nov 24,35 



Linearia metastriata Conrad 24, 28, 29, 35 



ornatissima Weller 24, 28, 30, 35 



sp. nov 24,35,37 



Linthia variabilis Slocum 24, 34 



Liopeplum canalis (Conrad) 24, 35 



cretacea (Conrad) 24,35 



liodermum (Conrad) 24, 35 



subjugosum (Gabb) 24, 35 



LiopLstha altemata WeUer 24,27,29,30,31 



protexta Conrad 24,35,37,38 



sp 24,27,29 



Liopistha protexta subzone. extent and position of 23 



fossils in 36-37 



Lithopnaga ripleyana Gabb 24, 35 



Lucina glebula Conrad 24, 28, 29, 30 



Lunatia obliqtiata Meek and Hayden , 24,28,29,30,35 



M. 



McN'airy sand member, beds of, plate showing 17 



character of 22 



distribution of 18 



origin of name 17-18 



naming of 9 



Manihotites sp. nov 33 



Monocotyledon gen. et sp. nov 33 



Morea canceUaria Conrad 24,35 



Morton. S. G., correlat ion by 11 



Mortoniceras delawarense (Morion i 30,32 



texanum (Roemer) var 24, 28, 29,30, 32 



Mortoniceras subzone, extent of 23, 28-29 



fossils in 29-30 



position of 23 



N. 



Nautilus dekavi Morton 24, 36, 



sp.nov 24,28,29 



Xemodon brevifrons Conrad 24,27,30,34 



eufalensis (Gabb) 24,34 



sp. nov 24, 27, 29, 30 



