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INDEX. 



PAGE 



Trigonia claveUata, Zietlien ; see T. signata 204 



— clavocostata, iyc<?<^ 29 



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



— c/(>osa, Credner, F. S 26 



— clytia, cF Or biff inj 76 



— complanata, iyce<< 49 



— compta, Lycett 63,70,80 



— concentrica, Agassiz, F. S. 



45, 52, 206, 223 



— co«cm«o, Roemer, F. S 223 



— conjungens, P/«7/()js 17,62,68,71 



— conocardiiformis, Krauss, F.S. 



120, 210, 230 



— Constanta, d'Orhiguy, F.S 115,227 



— Cocptancliana,(i'OTh\gny,¥.S.... 97,227 



— corallinn, d' Orbiff7ii/ 45,49,52 



— costata, iSowerSy 147 



— — \a.r. \a.ta, Lycett 149 



— costata, Knorr ; see T. sculpta 150 



— — Encycl. Method. ; see T. 



sculpta 150 



— — Parkinson (doubtful) 150 



— — Smith; «ee var. Rolandi ... 150 



— — Bronn ; seeT. sculpta 160 



— — Sowerby, in Grant's Mem. ; 



see T. elongata 150 



— — Ziethen ; see T. denticulata 150 



— — Young and Bird ; see T. 



Meriani 150 



— — Pusch. ; seeT. zonata, F. S. 151 



— — var. triangularis, Groldfuss, 



F.S 151 



— — var. «j7icea, Quenstedt, F. S. 167 



— — Chapuis and Dewalque, 



F.S 151 



— costatula, Xyee<^ 69,70,81 



— costellata, kg?i&s\z, F.S 45, 66, 222 



— costigera, Zyce<< 205 



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



— crem/em, Stoliczka, F. S 143,231 



— cren?</a<a, Lamark, F. S 190,227 



— crenulifera, Lyceii 189 



— CviWem, Lycett 173 



— Cunningtoni, iyee^f 146 



— cuspidata, SoitferSy 59 



— cyxahst, Contejean 192 



— Damoniana, De ionW 86, 88, 91 



PAGE 



Trigonia debilis, Lycett 189 



— (/ecoraia, Lycett ; seeT. signata ... 29 

 ■ — daedalea, Parkinson 1 00 



— — var. confusa, iyeef^... 102,211 

 — • t?«rf«/ea, .\gassiz, F. S 104 



— — d'Orbigny, F. S 105 



— — Pictet and Renevier ; see 



T. nodosa, var 106 



— i>e/a/osseJ, Leymerie, F. S. ... 120,227 



— denticulata, J'^ossjV 45,152 



— detrita, T'erj'. and /our 75 



— divaricata, d'Orbigny, F. S 126, 227 



— Dunscombensis, Zyce<^ 188 



— duplicata Soweriy 14,16 



— e%aHs, Bailey, F. S 115,230 



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



— elongata, iS'owe;'6y 154 



— — var. angustata, Lycett ... 156 



— — var. /a<«, Lycett 156 



— X'^a^/oHz, De Loriol, F. S 223 



— Etheridgei, iyce« 127 



— tx&\\.?ita., Lycett 184,221 



— e.xcentrica, ParHresoM 92,94 



— excentricum (Lyrodon), Goldfass ; 



see T. Michellotti 92, 227 



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



— Ferryi, Munier-Chalmas ; see T. 



radiata ^ 73 



— /winai!«, Lycett, F. S 221 



— rittoni, DesAayes 132 



— ^tci&, Lycett 55,60 



— i^'oriesM, Lycett, F. S 230 



— (ormosa, Lycett 35,38,44 



— — var. lata, iyee« 202 



— gemmata, Zycei/ 15, 16, 17 



— — var. bifera, Lycett 239 



— geographica, ^yassw 69 



— gibbosa, iSoweriy 84 



— — \tiTS. a, b, Lycett 85 



— — var. c, Lycett S5 



— ^rifiiosa, Seebach, F. S 86 



— Gohlfussii, Morris and Lycett, F. S. 



59, 222, 230 



— granigera, Contejean, F. S. 



162, 221, 223 



— GvKihacXu, Lycett 33,34 



— harpa, iies^ayes ; see T. carinata ... 179 



