238 



GEOLOGICAL DISTRIBUTION OP BRITISH TRIGONIyE. 



CLAVELLATiE. 



Quadrate . 



scaphoide^. 



Quadrate . . . 



CRETACEOUS SYSTEM. 



Middle Neocomian Formation. 



PAGE 



Scabr^. 



Byssifer^ 



196 

 106 

 114 



184 

 183 



T. ingens, Lye. PI. viii, figs. 1, 2 a, 2 b, 3; pi. xxxvi, figs. 5, 6 (Tealby and 



W. Norfolk) . . . . . 24, 207 



T. Keeping!, Lye. PI. xxxv, figs. 1, 2 (Tealby and W. Norfolk) 

 T. nodosa. Sow. {var.) PI. xxv, fig. 2 (Tealby) 

 T. Tealbyensis, Lye. PI. xxviii, fig. 7 (Tealby) 

 T. exaltata, Lye. PI. xxxviii, fig. 2 (W. Norfolk) 

 T. scapha, Ag. PL xxxviii, fig. 6 (W. Norfolk) 



Upper Neocomian Formation. 



.T. nodosa. Sow. PI. xxiv, figs. 1, 1 a, 2, 3 {var. Orbignyana) ; pi. xxxvii, 



figs. 5, 5 «, 6 . . . . . . 106 



"T. caudata, Ag. PI. xxvi, figs, 5, 6, 6 «, G 6, 7 . . .129 



T. Etheridgei, Lijc. PI. xxvii, figs. 1, 1 a, 1 5, 2, 3, 3 a . . . 127 



T. ornata, d'Orb. PL xxiv, figs. G, 7 . . . .139 



T. Upvrarensis, Lye. PI. xxiii, figs. 8, 9 ; pi. xxxix, fig. 4 (Upware) . 143 



T. Vectiana, Lijc. PL xxiv, figs. 10, 10 a, 10 5, 1 1 ; pi. xxv, fig. 7 .123 



.T. carinata, Ag. PL xxxv, figs. 4, 4 a, 5, 5 a, 6, 6 a . . .179 



QUADBATiE 



i 



ScabRvE. 



Glabra, 



GREEN SANDS OF BLACKDOWN AND HALDON. 



T. dadalea, Par>?; (Blackdown). PL xxiii, figs. 2, 3; pi. xxii, figs. 7, 8; 



pi. xxviii, fig, 8 . . . . , .100 



— var. confusa. Lye. (Little Haldon). PL xxiii, fig. 1 102, 211 



1^ T. spectabilis, Sow;. PL xxvi, figs. 1, 2, 3, 4 . . . .112 



T. aliformis. Park. PL xxv, figs. 3, 3 a, 4, 4 a ; pi. xxviii, figs. 5, 5 a . 116 



T. Fittoni, De«A. PL xxiii, figs. 4, 4 «, 4 &, 5 (Gault) . . .132 



U T. scabricola, Lye. PL xxvii, figs. 4, 5, 5 a, 5 6 . . .130 



T. spinosa, Park. P. xxiv, figs. 8, 9 , . . . 136 



T, Vicaryana, ij/c. PL xxiii, fig. 7 . . . 141,203 

 T. excentrica. Park. PL xx, figs. 5, 6 ; pi. xxii, figs. 5,5 a; pi. xxviii, figs. 6, 



6ffl, 9, 10 , , . . , .94 



T. Iseviuscula, Lye. PL xxii, fig. 6 . . . , .96 



UPPER GREEN SANDS AND CHLORITIC MARLS. 



Quadrates. 



SCABR^. 



Species doubtful. Dunscombe CliflTs {Meyer). 

 'T, aliformis (var. attenuata). Lye. PL xxv, figs. 5, 6 

 T. Archiaciana, d'Orb.? PL xxv, fig, 10 

 T. costigera, Lye. PL xl, fig. 17 • 

 T. crenulifera, Lye. PL xl, figs. 1, 1 c, 1 6, 7, 9 a, 9 6 

 T. Cunningtoni, Lye. PL xxiii, fig. 4 

 T. Meyeri, Lye. PL xxiii, fig. 6 ; pi. xli, figs. 1.5, 16 

 <j T. pennata. Sow. PL xxiv, figs. 4, 5 ; pi. xxxvii, figs. 4, 4 a 

 T. scabricola, Lye. PL xxvii, figs. A, 5, 5 a, 5 b 

 T. spinosa, Park. PL xxiii, fig, 10 {var. subovata) ; pi. xxviii, figs 



1,2 



. 118 

 140, 202 

 205 

 189 

 146 

 \25 

 133 

 130 

 201 



