INDEX. 



315 



Discorbina globularis, 204 



— iiiamilla, 205 



— rimosa, 20") 



— rosacea, 20.") 



— trocbidiformis, 20 I, 205 



— turbo, 20 1 



— vesicularis, 204, 205 



Distribution, Geograpbical and Geological, of Aciculaiia, 

 139; of Alveolina, 104; of Ampliistegina, 217; 

 of Bulimina, 197; of Calcariua, 223; of Carpen- 

 teria, 189; of CassiduHua, 198; of Cbrysadiliiia, 

 193; of Cornuspira, C9 ; of Cristellaria, 1C5 ; of 

 Cuneolina, 193 ; of Cycloclypeus, 297 ; of Cym- 

 balopora, 210; of Daotylopora, 137; of Discor- 

 bina, 205; ofFabidaria, 84; of Fusuliua, 307 ; of 

 Globigerina, 183; of Heterostegina, 292; of 

 Lagena, 159; of Lituola, 145; of Miliola, 92; of 

 Nodosarina, 105 ; of Nubecularia, 72 ; of Nummu- 

 lina, 275 ; of Operculina, 2G2 ; of Orbiculina, 98 ; 

 of Orbitoides ; 303; of Orbitolites, 120; of Orbu- 

 lina, 178; of Ortboccrina, 166; of Ovulites, 180; 

 of Patellina, 255 ; of Planorbulina, 209; of Poly- 

 morpbina, 169; of Polystomella, 287; of Poly- 

 treraa, 237; of Pullcnia, 184 ; of Pulvinulina, 21 1 ; 

 of Kotalincc, 214 ; of Spbxroidina, 185 ; of Spiril- 

 liua; 181 ; of Textiilavia, 192 ; of Tinoporus, 229 ; 

 of Trochammina, 142; of U vigerinn, 170; ofVal- 

 Tulina, 148; of Vertcbralina, 74 

 D'Orbigny's classification of Foraminifcra, 5-7 

 Dujardin's designation of Rbizopod type, 7 ; bis classi- 

 fication, 61, 62 



E. 



Ectosarc, differentiation of, 18 



Ebrenberg, Prof., his classification of Foraminifcra, 8 



Ebrenbergina (Eciiss), 198 



Enallostegues (D'Orb.), 5, 171 



Endosarc, differentiation of, 18 



Entomostegues (D'Orb.), 5, 171, 240 



Entosolenia (Ehr.), 157 



Euplypha, 21 ; reproduction of, ;16 



F. 



Fabularia, genus, 75, 82-84 ; its bistor}', 82 ; external 

 characters, 83 ; internal structure, S3 ; affinities, 

 83 ; geological distribution, 84 



Faujasina of Williamson, 213 



Fanjasina carinata (D'Orb.), 2SC 



Flabellina (D'Orb.), 160, 161 



FORAMINIFERA, first constituted as a group by 

 D'Orbigny, 5 ; nature of first truly determined bv 

 Dujardin, 7 ; structure of first minutely studied by 

 Williamson, 9 ; relations of to other I!hizopods, 

 10 ; characters and actions of animal of, 28-32 ; 

 reproduction of, 33, 37-39 ; general principles of 

 classification of, 40-62 ; relation of nionotbalamous 

 and polytbalamous forms of, 41, 49; texture of 

 shell of, 44-48 ; mode of increase of shell of, 48-50; 

 intermediate skeleton of, 50-53 ; canal-system of 

 50-53; isomorphism among, 53, 54; relative value 

 of ch.aracters in, 54-56 ; mode of grouping into 

 genera, 56 ; instability of specific distinctions in, 

 56-61 ; primary subdivisions of, 61, 62 



Frondicularia (D'Orb.), 160, 164 



Frumentaria (Sold.), 74 



Fwrnlina, genns, 304-307 ; its history, 304 ; external 

 characters, 304 ; internal strnctiire 305 ; affinities, 

 306; geological distribution, 307 



G. 



Gaudryina (D'Orb.), 190, 191 



Gemmulina (D'Orb.), 190, 191 



Genera, value of, iu Foraminifcra, 56 



Geographical Distribution of Foraminifcra, see Distri- 

 bution 



Geological Distribution of Foraminifcra, see Distribution 



Gcoponus stella-borealis (Ehr.), 28i) 



Glandulina (D'Orb.), 160 



(llobir/erina, genus, 181-184; its history, 181 ; external 

 characters and internal structure, 181, 182; affini- 

 ties, 182, 183; relation to Orbidina, 177, 178; 

 geographical and geological distribution. 183, 181 



Globigerina bilobata, 177 



— bulloides, 181 



— hellcina, 181 



— hirsuta, 181 



— inflata, 183 

 Globioekin.e, sub-family, 173-175 

 Globigerinid.v, family, 171-175 ' 

 Globulina (D'Orb.), 167 

 Grammostomum (Ehr.), 190, 192 



Gromia, genus, 64 ; animal of, 29 ; reproduction of, 39 

 Gkomida, family, 63 

 Guttiilina (D'Orb.), 167 



H. 



llauerina, sub-genus, 81 

 Ilauerina compressa (D'Orb.), 81 



