242 



INDEX. 



PAGE 



Trigonia clavellata, Ziethen ; see T. signata 204 



— clavocostata, iyee^^ 29 



— clavulosa, Rigaux and Sauvage, F. S. 33 



— c^«>o«a, Credner, F. S. 26 



— c\yi\&, d" Orbigny 76 



— complanata, iyce^f 49 



— cova^ta, Lycett 63,70^80 



— coneentrica, Agassiz, F, S. 



45, 52, 206, 223 



— coneinna, Roemer, F. S 223 



— conjungens, PAiV/ips 17,62,68,71 



— conocardiiformis, Krauss, F.S. 



120, 210, 230 



— Co?istoi^i«, d'Orbigny, F.S 115,227 



— Co2uaMc?2awa, d'Orbigny, F. S.... 97,227 



— coT&WmA, d Orhigny 45,49,52 



— costata, /Sot<>er6y 147 



— — v&x. l&ta., Lycett 149 



— costata,)Lnoxv ; see T. sculpta 150 



— — Encycl. Method. ; see T. 



sculpta 150 



— — Parkinson (doubtful) 150 



— — Smith; see var. Eolandi ... 150 



— — Bronn ; see T. sculpta 150 



— — Sowerby, in Grant's Mem. ; 



see T. elongata 150 



— — Ziethen; see T. denticulata 150 



— — Young and Bird ; see T. 



Meriani 150 



— — Pusch. ; see T. zonata, F. S. 151 



— — var. triangularis, Goldfuss, 



F.S , 151 



— — var. «i7icea, Quen8tedt,F. S. 167 



— — Cbapuis and Dewalque, 



F.S 151 



— costatula, Lycett 69, 70, 81 



— cos^e//«^a, Agassiz, F. S 45,66,222 



— costigevs., Lycett 205 



— Co«aM, Munier-Chalmas, F. S. 192,223 



— cz-em/era, Stoliczka, F. S 143,231 



— ■ crenulata, Lamark, F. S 190, 227 



— crenulifera, Lycett 189 



— CuUeni, iyce^^ 173 



— Cunningtoni, Zr/ce^^ 146 



— cusp! data, iSoioe?'6?/ 59 



— cymha, Contejean 192 



— Damoniana, De Loriol 86, 88, 91 



PAGE 



Trigonia debilis, Lycett 189 



— decor ata, Lycett; seeT. signata ... 29 

 dsedalea, Par^iHsore 100 



— — var. confusa, Lycett... 102, 211 



— </tec?aZea, Agassiz, F. S 104 



— ~ d'Orbigny, F. S 105 



— — Pictet and Renevier; see 



T. nodosa, var 106 



— DeZfl/ossei, Leymerie, F. S. ... 120,227 



— denticulata, ^^assjV 45,152 



— detrita, Terq^. and Jour 75 



— JiwaWca^a, d'Orbigny, F. S 126,227 



— Dunscombensis, iyce^^ 188 



— duplicata tSoweriy 14,16 



— eZe^ans, Bailey, F. S 115,230 



— Elisae, Cornet and Briart, F. S. 212, 227 

 elongata, iSowez'Sy , 154 



— — var. angustata, Lycett ... 156 



— — var. /a^a, Lycett 156 



— .E'<aWo?zi, De Loriol, F. S 223 



— Etheridgei, Zi/ce^^ 127 



— exaltata, iycef^ 184,221 



— excen trica, ParKwsow 92,94 



— excentricum (Lyrodon), Ooldfuss ; 



seel. Michellotti 92,227 



— exigua, Lycett ; see T. costatula ... 81 



— Ferryi, Munier-Chalmas ; see T. 



radiata 73 



— Jimbriata, Lycett, F.S 221 



— Fittoni, DesAayes 132 



— flecta, iyce^< 55,60 



— Forbesii, Lycett, ¥.8 230 



— formosa, iyce^f 35,38,44 



— — var. lata, iycef^ 202 



— gennmsita, Lycett '. 15, 16, 17 



— — var. bifera, Zyce^< 239 



— geographica, ^^cssjz 69 



— gibbosa, iSower^y 84 



— — yara. a, b, Lycett 85 



— — var. c, Lycett 85 



— (/i66osa, Seebach, F. S 86 



— Gold/ussii, Morris and Lycett, F. S. 



59, 222, 230 



— granigera, Contejean, F. S. 



162, 221, 223 



— Griesbachi, iycef< 33,34 



— harpa, DesAayes ; see T. carinata ... 179 



