416 
Trachelia, Pir: 1D 
cee Pal 
tegen Albers. Ill 
Trachomatichnus, Mil. IIT 
Trachybaikalia, Mart. II 
Trachycardium, Mch. III 
Trachyceras, Laube. II 
Trachydermon, Carp. II 
Trachydomia, M.&W. II 
Trachyradsia, Carp. II 
Trachysma, Jeff... II 
Trachyteuthis, Meyer. II 
Trachytriton, Meek. II 
Tragomma, Held. . III 
Tralia, Gray. . GE 
Traliopsis, Sandb. . III 
Trapezium, Muhlf. III 
Trelania, Gray. . TE 
Tremanotus, Hall . Il 
Trematis, Sharpe. . III 
Trematoceras,Whitf. II 
Trematodiscus,M. & W.II 
Trematospira, Hall. III 
Tremoctopide.. . II 
Tremoctopus, D.Chi. II 
Tresus, Gray . TE 
Tretenterata. oT 
Tretoceras, Salter... II 
Trevelyana, Kelaart. II 
Tribonniophorus, Hu. III 
Tribulus, Klein. II 
Trichia, Hartm. . eh 
Trichites, Defr. . Itt 
Trichocyclus, Esch. II 
Trichodiscus, Str. . III 
Trichophore, Desh. Il 
Trichotropidee. II 
Trichotropis, Brod. Il 
Tricolia, Risso. . 1) 
Tricula, Benson. II 
Tridachia, Desh. II 
Tridacna, Brug. Iil 
Tridacnide. . sp 
Tridactylus, Gard. II 
Tridonta, Schum. . III 
Triforis, Desh. II 
INDEX. 
PAGE 
66 | Trigeria, Bayle. Iil 
67  Trigona, Mublf. Iil 
40 | Trigonareca, Conr. . III 
348 | Trigonella, Adams. III 
269 | Trigonella, Conr. Itt 
192 | Trigonella, Fischer. III 
69 | Trigonellites, Park. II 
340 | Trigonia, Brug. . III 
206 Trigoniide. Til 
340 Trigonoceras, M’ Coy. LI 
218 | Trigonochlamys, Bot. LI 
44 | Trigonoceelia, Nyst. III 
124 | Trigonodon, Conr. III 
-22 | Trigonodus, Sandb. ' III 
96 | Trigonosemus, Konig. III 
94  Trigonostoma, Blainv. II 
190 | Trigonostoma, Fitz. III 
212 Trigonostoma, Vest. III 
323 | Trigonotreta, Konig. III 
340 | Trigonulina, d’Orb. III 
5B\| Tnilobay West. ary)? Ll 
59 | Trimerella, Billings. III 
324 | Trimerellide. iil 
12 | Trinacria, Bott... TE 
22 | Trinacria, Mayer. III 
161 | Trinchesia, Ihering. II 
334 | Triodopsis, Rafin. . III 
52 | Triopa, Johnston. . II 
878 | Triopella, Sars. . EY 
89 | Triopha, Bergh. aU 
110 | Triphoris, Desh. IT 
39 | Triphorus, Swn. II 
183 | Triplesia, Hall. . Pict 
97 | Triplichus, Morch.. II 
29 | Triplodon, Spix. Vea 
223 | Trippa, Bergh. . EE 
993 |. Taiptera,,Quoync, 2 aa 
293 | Triptycha, Muller.. II 
303 | Triptychia, Sandb. III 
268 | Triquetra, Blainv.. III 
390 | Triquetra, Klein. Tif 
208 | Tristania, Bottger. III 
208 | Tristoma, Blainv. ._ II 
194 | Tritaxeopus, Owen. II 
226 | Tritia, Risso. II 
249 | Tritiaria, Conr. . II 
