YORKSHIRE TYPE AMMONITES— II 



Mar. 



Index 



PAGE 



Aalenian x 



aculeatus 72 



Addenda d 



Aegoceras — finitimum 

 Agassiceras — transformatum 

 Alocolytoceras — peregrinum 



alpinum 96c 



Amalthacea, xvi ; -eidae . . vii, b 



Amaltheus xiii 



clevelandicus, sedgwickii 



Amauroceras vii, xv 



Ammonitacea xvi 



Ammonite Development . . . . ix 



Ammonitidae b 



Anisoloboceras xv 



Arietidae b 



Arietites — impendens 

 Arnioceras — semicostatum 



Aspidoceratidae b 



aureolus 96 



Bajocian x, c 



Bathian x 



Beaniceras — (costatum, luridum), Hi 

 rotundum senile 



Bibliographic Details v 



Bifericeras — (biferum, nudicosta), Hi 

 parvum 



biferum 124 



bifrons x, 114 



Biogenetic Terms vi 



boreale 96d, 121 



braikenridgii 81 



Bredyia x 



Brodeia, Brodia, -iceras . . . . v 



Brown, Thomas vi 



Bruguiere 114b 



Burtonia x 



Cadicone ix 



Cadoceras, xv ; -atidae. . . . xiii, b 



Callovian c 



Caloceratidae b 



centaurus . . . . vii, 123, 126, 129 



Chamoussetia xii, xiv 



chamusseti xii, 98 



Charmouthian c 



clevelandicus 109 



Cceloceras 



crassoides, crassum, foveatum 



Corrigenda d 



costatum viii, 97, 123 



crassoides 89 



crassus 119 



crater ix 



Cripple Ammonite 114 



Cymbitidae xv, b 



Dactylioceras — gracile, vermis 



Dactylioceratidae xv, b 



Dactylioidae, Dactyloidae . . . . xv 



damoni 116 



Defossiceras — (defossum) . . . . v 

 defossus 76 



PAGE 



delicatum 96c 



Denckmannia ix 



Deroceras — aculeatum, hastatum, 



impavidum, mutatum, nati- 



vum, pugnax, retusum, sinua- 



tum, sociale, spicatum, sub- 



triangulare, validum 



Deroceratacea, xvi ; -idae . . . . b 



Descriptive Terms vii 



digonoides, Ornithella x 



Directions to the Binder . . . . e 



dissimilis 118 



Divesian c 



Domerian c 



Eboraciceras — (dissimile) . . . . xiv 



Echioceras ix, 96c 



alpinum, aureolum, boreale, 

 delicatum, hugi, modestum, 

 polygyratum, prorsum, 



regustatum, rhodanicum, 

 scoticum, subobsoletum, 

 subquadratum 



Echioceratidae v, vii, b 



elegans no 



Eleganticeras — (pseudo-elegans) viii 



Elegantuliceras viii 



elegantulum, ovatulum 



elegantulus 93 



Emileia — (crater) xi 



Euhoploceras iv 



fasciatus 87 



fimbriatus 130 



Fimbrilytoceras — (fimbriatum) . . xiii 



finitimum 100 



Fissilobiceras xv 



Formulae viii 



foveatus 69 



funiculatum 122 



funiferus xiv, 98 



Gagaticeras v 



funiculatum, gagateum 



gagateus 78 



Genera, spp. of . . 92c, 96c, 98c, 100c 



Geological Details x 



Geyeria, Geyerina iv 



gracilis 107 



gregarius .. ..117 



gubernator 70 



hastatus . . . . 102 



haueri 100c 



Haugia ix 



heptangularis 108 



Hettangian c 



Hildoceras — (bifrons) x 



Hildoceratidae e 



Homceomorphy vi 



hugi . . 96c 



hyperbolicus 98 



impavidum 104 



impendens 120 



involutum vii 



