416 



INDEX. 



Trachelia, Pfr. . . Ill 

 " . . Ill 

 Trachia, Albers. . Ill 

 Trachomatichnus,Mil.III 

 Trachybaikalia, Mart. II 

 Trachycardium, Mch. Ill 

 Tracbjceras, Laube. II 

 Trachydermon, Carp. II 

 Tracbydomia,M.&W. II 

 Trachyradsia, Carp. II 

 Trachysma, Jetf. . II 

 Tracbj^teuthis, Meyer. II 

 Trachytritoii,Meek. II 

 Tragomma, Held. . Ill 

 Tralia, Gray. ... Ill 

 Traliopsis, Saiidb. . Ill 

 Trapezium, Muhlf. Ill 

 Trelania, Gray. . . II 

 Tremanotns, Hall . II 

 Trematis, Sharpe. . Ill 

 Trematoeeras,Whitf. II 

 Treinatodiscus,M. &W.II 

 Trematospira, Hall. Ill 

 Tremoetopidse. . . II 

 Tremoctopus, D.Chi. II 

 Tresns, Gray . . .. Ill 

 Tretenterata. . . Ill 

 Tretoceras, Salter. . II 

 Trevelyana, Kelaart. II 

 Tribonniophorus, Hu. Ill 

 Tribnlus, Klein. . II 

 Trichia, Hartm. . . Ill 

 Trichites, Defr. . . Ill 

 Trichocyclus, Esch. II 

 Trichodiscus, Str. . Ill 

 Trichopliore, Desh. II 

 Trichotropidie. . . II 

 Trichotropis, Brod. II 

 Tricolia, Risso. . . II 

 Tricula, Benson. . II 

 Tridacliia, Desh. . II 

 Tridacna, Brug. . Ill 

 Tridacnid*. . . . Ill 

 Tridactylus, Gard. II 

 Tridonta, Sehum, . Ill 

 Triforis, Desh. . . II 



PAGE 



66 



67 



40 



348 



269 



192 



69 



340 



206 



340 



218 



44 



124 



22 



96 



94 



190 



212 



323 



340 



53 



59 



324 



12 



22 



161 



334 



52 



3t8 



89 



110 



39 



183 



9t 



29 



223 



223 



223 



303 



268 



390 



208 



208 



194 



226 



249 



PAGE 



Trigeria, Bayle. . Ill 324 



Trigona, Muhlf. . Ill 111 



Trigonarca, Conr. . Ill 25t 



Trigonella, Adams. Ill 156 



Trigonella, Conr. . Ill 111 



Trigonella, Fischer. Ill 315 



Trigonellites, Park. II 62 



Trigonia, Brug. . . Ill 245 



Trigoniidge. ... Ill 245 



Trigonoceras, M'Coy. II 54 



Trigonochlamys,Bot. Ill 82 



Trigonocoelia, Nyst. Ill 259 



Trigonodon, Conr. Ill 241 



Trigonodus, Sandb. Ill 237 



Trigonosemus,Konig. Ill 311 



Trigonostoma, Blainv. II 181 



Trigonostoma, Fitz. Ill 33 



Trigonostoma, Yest. Ill 71 



Trigonotreta, Konig. Ill 320 



Trigonulina, d'Orb. Ill 197 



Triloba^ Yest. . . Ill 75 



Triraerella, Billings. Ill 336 



Trimerellidae. . . Ill 335 



Trinacria, Bott. . . Ill 75 



Trinacria, Mayer. . Ill 259 



Trinchesia, Ihering. II 387 



Triodopsis,Ilafin. . Ill 34 



Triopa, Johnston. . II 376 



Triopella, Sars. . . II 376 



Trioplia, Bergh. . II 376 



Triphoris, Desh. . II 249 



Triphorus, Swn. . II 249 



Triplesia, Hall. . . Ill 317 



Triplichus, Morch. . II 239 



Triplodon, Spix. . Ill 243 



Trippa, Bergh. . . II 374 



Triptera, Quoy. . .II 91 



Triptycha, Miiller. . II 356 



Triptychia, Sandb. Ill 75 



Triquetra, Blainv. . Ill 176 



Triquetra, Klein. . Ill 243 



Tristania, Bottger. Ill 74 



Tristoma, Blainv. . II 249 



Tritaxeopus, Owen. II 21 



Tritia, Risso. . . II 158 



Tritiaria, Conr. . . II 159 



