INDEX. 



Nnti\ — Names of species which are regarded as synonyms or as invalid (and the 

 pages on which they occur), whether contained in the tables of references or 

 elsewhere in the text, also any species merely referred to incidentally in the 

 text, are printed in italics. 



ACANTHONAUTILUS, IIS, 131, 



122, 216, 221 



bispinosus, 118, 121 



cornutus, 121 

 AcTiNOCEEAS, 28, 32, 211, 231 



Bigsbyi, 33 



giganteum, 28, 39, 30, 31, 33, 

 223 



insulare, 30, 31, 32, 33 



propiuquum, 33 



2)yrami<latum, 38 



Simmsii, 28 

 ACTINOCERATID*, 28, 211, 223 

 Aganides : 



diadema, 179 



fascieulatus, 136 



Henslowi, 202, 203 



micronohis, 177 



ohtugus, 163 



reticulaius, 183 



sjjhu'ricws, loo, 173 



sjjhxricug, var. fi crenintria, 

 158 



striaiiis, 107, 160 



striolatus, 179 



suhfurcaius, 135 



tnmcatus, 165 



AiPocERAs, 116, 131, 133, 216 



compressum, 116 



gihberosum, 117 



Hainesiauum, 131 

 AmnwneUipsites : 



compressiis, 203 



fimatus, 134 

 Ammonites, 331 



carbonarius, 154 



diadema, 179, 180 



Henslowi, 68, 303, 203, 304, 

 205 



Lister i, 136, 179 



micronotus, 177 



princeps, 134 



reticulatus, 183 



sphiericus, 154, 155, 158, 160, 

 163, 173 



spiralis, 191 



slriatus, 157, 160, 161 



triincaius, 165 

 Ammonoidea, 132, 217 

 Angulata, 16, 211 

 Annulata, 14, 211 

 Apheleceras, 65, 72, 73, 118, 

 214 



difficile, 67 



Apheleceras — 



discoideum, 67, 70 



exaratus, 71 



Hiberaicum, 68, 70 



mutabile, 65, 66, 67, 68, 69, 

 70, 223 



trochlea, 67, 70,71, 72 

 Apioceras : 



fusiforme, 43 

 Appendix, 206 

 Ascoceras, 331 



AsYMPTOCERAs, 117, 133, 133, 

 124, 217 



conspicuum, 125 



crassilabrum, 122, 123, 125, 133 



dorsale, 126 



Foordi, 133, 124 



Betrichoceras, s.g. (see Gly- 

 phioceras), 163, 177, 219 

 bilinL,nie, 186 

 Browni, 175 

 cordatum, 188 

 corpulontuiH, 176 

 Davisi, 187 

 diadema, 179 

 difficile, 171 



