GENERAL INDEX. 









PAGE 



Aegoceratidse, Neumayr .... 



246,267 



Alum shale 









. 120 



Ammonites— 











?) 



classification of, by d'Orbigny 





194—202 



>! 





Hyatt 





232—237 



J» 





„ Neumayr 





231,237—262 



>> 





„ Quenstedt 





. 193 



yy 





„ von Buch 

 „ Waagen 





186—193 

 230, 231 



f> 



genera and species, description of 





263—483 



•• 



shell 



description of 

 Abdominal area 





181,228,232 

 . 219 



*3 



i» 



,, side . 





. 232 



»J 



,, 



Body chamber 





227, 228, 230 





yi 



Dorsal side 



Lobes of septa . 





. 232 

 . 181 



)J 



j> 



„ auxiliary . . . . 





. 181 



»» 



>> 



„ columellar 





. 181 



*> 



> » 



„ inferior lateral 





. 181 



'3 



»5 



,, siphonal . 





. 181 



»> 



u 



,, superior lateral 





. 181 



)l 



>» 



Mouth border 





222—227 



>> 



>> 



,, lappets 





225, 472 



»» 



,, 



Saddles 





. 182 



J> 



„ 



Septa .... 





182, 227 





j> 



Siphonal area . . . . 

 Siphuncle 





219 

 . 219 



Anaptychus 







. 221, 229, 230, 248, 470 



Aptychus 



. 





182—186, 221, 229—231, 472, 483 



Arcestidae, Mojsisovics . 



382, 383 



Bone-Bed, Aust . 





. 167 



„ Penarth 





. 166 



Cephalopoda 



, classification of ... . 



169—216 



» 



families and genera, analysis of 



204—216 



i» 



geolo 



gical range . 



217,218 



„ 



structure . 





168, 169 



