ccxl 



INFERIOR OOLITE AMMONITES 



mutans, Dumortieria, PI. 40, figs. 3 8, p. 243 

 (Duin. striatulo-costata, var.) ; Suppl., Fig. 

 170, p. cxcvi ; p. clxxvii 



mutans, Sonninia, PI. 91, figs. 4-6, pp. 387, 414 



Mutation, 100, 289 



Nailsworth, 107, xxi, xxxiii; strata of, ccix 

 nannodes, Asthenoceras, PI. 33, figs. 13 16, p. 213 



(Grammoceras nannodes) ; Suppl., PI. 11, 



fig. 28, p. xlix 

 nannodes, Grrammoceras, PL 33, figs. 13-16, p. 213 ; 



see nannodes, Asthenoceras 

 nannodes, Grammoceras, xlix 

 narbonensis, Lillia, Suppl., PI. 2, figs. 3, 4, p. xiv 

 narbonensis, Lillia, ix 

 Nautilus, 48, cci ; dead shells of, dispersal of, 



454, 455 ; clausus, comptus, costula, maean- 



drus, opalinus, radians 

 navis, Ammonites, vii, ix, x, xxii 

 Navis group, xxii 



navis, Haugia, Suppl., PI. 2, figs. 5-7, p. xxii 

 navis, Trigonia, bed, 2 ; zone of, 49 ; beds, 258 

 Neanic, 357 

 Neuuiayr, 13, 14, 225, 269, 287 ; on Classification 



of Ammonites, 11 

 Neumayria, 14 

 New Duston, 40, 55 ; reason for name, 52 ; see 



Duston, Old Duston 

 Newton, E. T., 178, 376, clxi ; suture lime of Am. 



Moorei, 178; on A. Moorei, 255, 256, 258 

 Newton, Snrgeon-Major Isaac, clxi 

 Nibley, strata of, ccix ; see North Nibley. 

 Nibley Knoll, 86 ; section of, 46 ; correlation, 166 

 Nickles, Prof. K., and tracing septa, 380 

 Nilssoni, Phylloceras, 301 

 niortense, Strenoceras, hemera, ccv 

 niortensis, Ammonites, 10, 270, 272, clxx ; Parkin- 



sonia, characters of, as compared to Tmeto- 



ceras, 270 ; P., specialised development of 



Park, garantiana, 271 ; hemera, vi 

 nitens, Paineia, Suppl., Fig. 33, p. lxxvii 

 nitescens, Grammoceras, cxxxi ; Harpoceras, cxxxi 

 nodata, Ludwigella, Suppl., PI. 19, figs. 34-36, p. 



xc 

 nodata, Sonninia, PI. 89, figs. 1-5 ; pp. 369, 387, 



407 

 Nodate stage ((Ecotraustes), cxcv 



Nodi, 357 



Nodicostae, 357 



Nodicostate, 357, 405 



nodifer, (Ecotraustes, PI. 20, figs. 13, 14 (<E. con- 



jungens) ; Suppl., Fig. 191, p. cxcvi; p. 



cxcv 

 nodosus, Cirrus, 7 

 Nodules, 44, 45, 47 

 Nodular Bed, 293 

 Nodular shale, date of, ccix 

 Nodus, 405, iii 



Nomenclature, 315; rules of, 15; British Asso- 

 ciation Committee on hybrid names, 276 ; on 



generic names, 284 

 Non-septicarina, iv 

 Non-septicarinate (gammiradiate), cxxxi ; (series), 



cxx, clvi, clvii 

 Non-septituberculate, iv 



Non-tuberculate group, xxviii ; (series), cxliii 

 norma, Polymorphites, 267, 268, 269, 284 

 Normal variation, 289 

 Normandy, 8, 9, 62, 120, clxx, clxxi, clxxii, clxxiv, 



cxcii ; strata, 64 ; and Sonniuise, 452 ; species 



of Lioceras, xliii ; strata of, ccvi 

 normannianum, Grammoceras, 163, 189 

 normannianus, Ammonites, 132 

 North Coker, lxxxv 

 North Cotteswolds, 64 

 North Dorset, 61, 324 

 North Nibley, 40, 55, 87, 88, 151, 153, 158, 173, 



181, 196, 199, 209, 213, 220, 231, xxiii, xxiv, 



xxvi, xxvii, xxviii, xxix, xxxi, xxxii, clviii, clix, 



clx ; a species from, described, clxi 

 North Germany, 96 

 North Oxfordshire, 40 

 North Sea, 456 



North Stoke, xxvi, clxxxv ; strata of, ccvi, ccviii 

 Northampton, xl ; district, section, 47 

 Northampton Sand, 48, 52 

 Northampton Sands, 168 ; section, 48 ; represent 



Opalinum zone, 168 ; for Tmetoceras, clxx ; 



date of, ccvii 

 Northamptonshire, 40, 53, 55, xv, xviii, xl, clxx ; 



remarks on strata of, xv ; Liassic rocks, xl ; 



strata of, ccvii, ccix 

 Notgrove Freestone, date of, ccvii 

 Notgrove Station, 9 

 novata, Dumortieria, Suppl., Fig. 163, p. clxxiii 



