YORKSHIRE TYPE AMMONITES 



Oct. 



INDEX 



PAGE 



acuticarinatiis 40 



Addenda c 



Aigoceras iii 



nautiliforme 



Aetomooeras vii 



simpsoni 



Agassiceras ii 



resupinatum 



Alsatites vii 



alternatus 9 



Amaltheus, species of 25d 



armiger, costiger, depressus, 

 evolutus, lenticularis, nodi- 

 fer, retic\ilaris, 



ambiguus 16 



Ammonite Development . . . . x 



andraei 57 



Androgynoceras iii 



heterogenes, integricostatum, 

 macniatum, siphunculare 



anguiformis 64 



annuliferus 63 



apyrenum 24d 



arctus 36 



armiger 25d 



Arietites vi 



denotatus, radiatus, tenelliis 



Arnioceras vi 



acuticaiinatum 



Asteroceras v 



athleticus 51 



aureolus 28 



aureus 3 



auriculoid ix 



Baculicone xi 



beani 15 



belcheri ' t 7 



Bibliographic Details iii 



birdi 24 



boreale 24d 



boulbiensis 11 



Caloceras vii 



belcheri, convolutum 



cereus 49 



clavus ix 



Coeloceras iv 



crosbeyi, fonticulum,, puteo- 

 lum 



PAGE 



Coiling Cycle xi 



compactilis 41 



Cone Stages xi 



convolutus 18 



cornutus 32 



Coroniceras vi 



Corrigenda c 



costiger 25d 



crassiusciilosus 62 



crassulosus 58 



Cricone xi 



crosbeyi 60 



Cunctative palingenesis . . . . vii 



Cycle xi, xiii 



Cyrtocone xi 



Dactylioceras v 



athleticum, crassiusculosum, 

 crassulosuni, semicelatum 

 Denckmannia 



riidis 



dennyi 7 



denotatus 67 



depressus 25 



Deroceras iv 



anguiforme, miles, owenense 



Development Stages xiv 



Ecliioceras 



aureolum, cereum, exortum 



elaboratus 22 



evolutus c 



exaratus 5 



exortus 19 



fabricatus 34 



figulinns 26 



flavus 55 



fonticulus 59 



Frechiella 



subcarinata 



Geological Details xv 



Gyrocone xi 



Harpoceras i 



exaratum, mulgraviuni 



Harpoceratoides ii 



alternatus 

 Haugia 



beani 



heterogenes 46 



