t923 



INDEX 



6i 



Pages &■ Plates 



approximatus cccxxxvi 



aptum cccxvi 



Aptychus horizon 36 



Aquilonian Stage 7 



arbustigerum zone 49 



arciruga cccxxxi 



Ardassie Limestone 41 



Argovian Stage 9 



Argutarpites .... 49. ccclxiii 



argutus CCCLXIII 



Arietal Epoch 16 



Arietites 49 



Aspidoceras ccclxiv 



silphouense 

 Aspidoceras horizons 



38, 41, 44, 45, 48 



Astartian Stage 9 



Asteroceratan Age . . . . 13, 49 

 Aucella pallasi, Banc a . . . . 45 



aulacophorus ccclxxxi 



Aulacosphinctecin Age 



7. 16, 17, 33. 36, 37, 45 

 Aulacosphinctes hemera 



33. 36, 37. 45 

 Aulacostephanus horizons 



36, 38, 40, 43, 44, 45, 58 



austera cdix 



Autochthonous Ammonites. . 19, 20 



Baculitoidic Period 15 



Baden Beds (Switzeriand) . . . . 34 



Bajocian Stage xo, 11 



balderum hemera 34, 45 



Balingin Stage 13 



Banzin Stage 13 



Bariey Hill Blue Bed . . . . 26, 27 



Bathian (Bathonian) Stage.. 10, 11 



—  — , Macon . . . . 49, 50 



bathytmetus ccclxxiii 



baylei hemera . . 35, 37, 38, 42 44 



Beaniceras 49 



beckeri hemera 33 



Bedfordin (Bedfordian) Stage . . ii 

 Behemoth 16, 27, 48, cccv, cccxlii 



lapideus, megasthenes 

 Behemothan Age 



7, 16, 17, 20, 26, 48, 58 



Bierton (Bucks) 36 



biforme cclxxvi 



Binatisphinctes 48 



biplex siliceus hemera . . 33, 45 



bisulcatum cccxcii 



Bollin Stage 13 



Bononian Stage 6 



bononiensis horizon 17 



Boulogne-sur-Mer . . 26, 33, 34, 35 



— , sequence at 44 



Bourkelamberticeras 



41, 48, cccxxxix 

 intermissum 



Bradford Clay 10 



Bradfordian Stage 10 



brandesi hemera . . 35, 39, 44, 45 



Brasilina, genotj-pe 56 



Braunsina, genotype 56 



Brecquereque, CaJcaires de. . . . 44 

 Briareites .. .. 16, 17, 30, 48 



— hemera 26 



Pages &■ Plates 



Bridport Sands 12 



Brill (Bucks) 37 



— Clays 34. 36. 4° 



— Serpulite Bed . . . . 37, 40 



Brora Beds 41 



Bucks-Oxon-Swindon, correlarion 



28-30. 46, 47 

 Building Stone, Portlandian 26, 27 



buUatimorphus cclxxii 



Bullatimorphites . . . . 48, cclxxii 



buUatimorphus 



Caba90, Calcaires de 31 



Cadicone, phaulomorph cclxxvii 



cadiforme cdv 



Cadoceras . . 48, cclxxv, cdvi 



sublaeve, tolj'pe 



Cadomin Stage 11 



Cadomites dauben\-i . . . . cccxi 



Cadomoceras 49 



cadus ccLxviii 



Calcareous Grit . . . . 8, 40, 41 

 Callovian Stage . . . . 8, 9, 55 



Caloceras 49, ccciv 



pirondii 

 Caloceras johnstoni . . . . ccciv 

 Caloceratan Age . . 16, 19, 20, 49 



— — , geography of 21-23 



Canavarinan Age 19 



capax cccxLix 



Capricomal Epoch 16 



Cardioceras 38, 40, 41 



Cardioceras cordatum ccclxxv, cdxx 



— goliathus cccLxi 



Cardioceratan Age . . . . 9, 48 



Carixian Stage 12 



Catacephalites 48, 54, cclxxxiii 



durus 

 Catacoeloceras . . . . 49, CDXiii 



confectum 



catamorpha cdxiv 



Catasigaloceras . . . . 48, cdxvii 



planicerclus 



Caumontisphinctes 49 



Ceratitoidic Period 15 



cereale cclxxxvi 



Cerericeras . . . . 48, cclxxxvi 



cereale 

 Chalcedoniceras . . . . 48, ccxcv 



chalcedonicum . . . . ccxcv 



Chanasian Stage 9 



Charmouthian Stage 12 



Chatillon, Mamas et Gres de . . 44 

 Chawley Beds, Berks . . . . 33, 36 

 Cheltenhamin (Cheltonian) Stage 13 



Chidamu Beds (India) 33 



childanum cdiv 



Christian Malford Beds . . . . 41 

 Chondroceras 49, ccclvii, cdxv 



grandiforme, wrighti 

 Chronological analysis of genera 



48, 50 



Chronology 5 + 



circumplicatus hemera ^5, 43, 44 



Clydoniceratan Age .. 11, 19, 20 



Ch-neleish Beds 41 



Coeloceras . . . . 49, cclxviii 



— blagdeni cccl 



