INDEX 



cclix 



*Ubaldi, Zurcheria, p. 298 [Foreign] 



Ubaldi, Zurcheria, 291, 293, 294, 295, 297 



Ultra-axial, 369 



ultramontanum, Pliylloceras, 301 



Umbilical catagensis, ccii 



Umbilical closing, ccii 



umbilicata, Ludwigina, Suppl., Fig 18 in text, p. 

 lxi 



umbilicata, Sonninia, PI. 84, figs. 1-3 ; pp. 385, 

 397 



Umbilicate species, clxxxiii 



Umbilicate (series of Cotteswoldia), cxxxv; see 

 also Augustumbilicate, concavumbilicate, 

 concentrumbilicate, concentri-latumbilicate, 

 eraterumbilicate, excentrumbilicate, excentri- 

 latumbilicate, gradumbilieate, latumbilicate, 

 subconcavumbilicate 



Umbilication, cxcix, cci ; renewal of, in age, 140 



Umbilicus, changes in, 36 ; expansion of, 140, 312 — 

 Hyatt's explanation of, 312 ; concentric, 323 ; 

 excentric, 323 ; comparison of dimensions 

 of, in modesta and simplex, 327 ; compara- 

 tive measurements in niula, simplex, sub- 

 striata, 353 ; terms for, iv ; change of, with 

 age, v ; expansion of, v, cxliv ; expansion of, 

 hyposti'ophic, lxxii ; progressive decline of, 

 lxxxix ; relative time of expansion of, cxliv ; 

 expansion of, remarks on, cxliv ; opening out, 

 ccii ; a character of distinction, cciv 



Umbria, 220 



uncinatum, Lioceras, Suppl., PI. 5, figs. 7-11 ; p. 

 xxxvi 



uncum, Lioceras, Suppl., PI. 6, figs. 8 10; p. 

 xxxvii 



undatum, Cylicoceras, Suppl., PI. 5, figs. 5, 6 ; 

 p.l 



Undulate ribs, 307 



undulatum, Graphoceras, PI. 10, fig. 9 ; PI. A, fig. 

 19 ; p. 56 (Lioceras concavum) ; p. xcvii 



undulatum, Lioceras, Suppl., PI. 9, figs. 1-3 (13, 

 14?) ; p. xxxix 



undulatus, Ammonites, 241, 242, 246 



Unispiuous stage, 288 ; examples of, 289 



Unituberculation, cc 



Upper beds, ccix 



Upper Inferior Oolite, ccv 



Upper Freestone, 7 



Upper Leda-ovum beds, date of, xv 



Upper Lias, see Lias, upper 



Upper Lias Cephalopoda Bed, 175 



Upper Lias Sands, 175 



Upton, Charles, 286, li, lxiii, cl, clxi, clxxix ; prior 

 use of Dumortieria, 286 ; his hints on photo- 

 graphy, 380 ; and Dumortieri;e, clxix 



Uptonia, clxix, clxxxviii 



Vacek, Dr. M., 35, 53, 64, 83, 96, 155, 156, 176, 



191, 238, 266, 269, 270, 273, 277, 294, 295, 



297, 298, xxxvi ; on Harp, opalinum, 54 ; on 



Lias and Oolite, 64 ; and Pseudographoceras 



sp., xciii 

 Vacekia, Suppl., p. clvi; Stephensi 

 Vacekia, from Pseudolioceras, clviii ; classification, 



cxcviii 

 Valdani, Ammonites, 289 

 variabile, Hammatoceras, 146 

 variabile, Harpoceras, 146, 149, 211, vii, x, xxi, 



xxiii ; remarks on discrepancies in Wright's 



figure of (by Mr. Crick), 146 

 variabilis, Ammonites, 50, 153, 226, vii, x, xxiii, 



xxvii ; Ammonites, as type of Haugia, 45 ; 



(jugosa), Ammouites, 212; beds, 164, 167; 



group, xxiii 

 variabilis, Haugia, PI. A, fig. 34; p. 146; Suppl., 



p. xxiii 

 aff. variabilis, Haugia, PI. 25, fig. 2 ; Suppl., p. 



xxiii ; p. 146 (H. variabilis) 

 variabilis, Haugia, PI. 23, figs. 11, 12, see jugosa, 



H. ; PI. 23, figs. 14, 15, grandis, H. ; PL 25, 



IU]. 2, aff. variabilis, H. ; />. 146, see spp. 



above 

 variabilis, Haugia, 45, 142, x, xxi, xxiii, xxv, xxvi; 



and H. jugosa, comparative dimensions, 150 ; 



and Grammoceras dispansum, comparison of, 



212 ; (hemera), ccv 

 Variabilis hemera, vi, xii, xv, cliv ; strata of, ccix ; 

 variabilis, Khynchonella, 48 

 Variabilis subzone, 45, 46, 50, 148 

 variabilis, var. dispansus, Ammonites, 211 

 Variation, normal and abnormal, 289 

 Variation as specific and generic, cxcix 

 Variety of form (pcecilomorphy), cxcix 

 Vaughan, Dr., and Harpoceras nitescens, cxxxi ; 



and Dumortierise, clxix ; and Catulloceras 



Leesbergi, clxxi 

 Vendee, exxxiv, clxxviii, clxxx 



LL 



