Tretomys, $859. 
Tretosphys, 798. 
Tretulias, 791. 
Triacanthodon, 887. 
Triacodon, 81i. 
Trisenops, 806. 
Triaulacodus, 863. 
Tribodon, 863. 
Tribonophorus, 805. 
_ Tricardia, 847. 
Tricentes, 811. 
Trichechidz, 853, 905. 
Trichechus, 834, 905. 
Trichecide, 832. 
Trichecodon, 834. 
Trichocoryes, 803. 
Tricholeptus, 912. 
Trichomanis, 833. 
Trichophocine, 8^. 
Trichosurus, 886. 
Trichurus, 886. 
Trichys, 849. 
Tricium, 851. 
Triclis, 883. 
Tricoelodus, 935. 
Triconodon, 857. 
Triconodontide, #87. 
Tricuspidens, 901. 
Tricuspiodon, 812. 
Triglochinopholis, 822. 
Triglyphus, 789. 
Trigodon, 945. 
_Trigonias, 940. 
^ Trigonodon, 945. 
Trigonolestes, 927. 
Trigonolophodon, 910. 
Trigonostylopidae, 905. 
Trigonostylops, 908. 
Triisodon, $811. 
Triisodontide, 811. 
Trilatitus, 868. 
Trilobodon, 911. 
Trilophodon, 944. 
Trilophomys, 855. 
Trimenodon, 939. 
Trimerodus, 912. 
Trimerostephanos, 910. 
Trimylus, 873. 
Trinodontomys, 853. 
Triodon, 833. 
Triplopodid:ze, 935. 
Triplopus, 938. 
Tripriodon, 788. 
Tripriodontid:e, 787. 
Triprothomo, 903. 
Triprotosimia, 905. 
Triprotroglodytes, 903. 
Trirhizodon, 795. 
Trispondylus, 933. 
Tristichotherida, 889. 
Tritomodon, 883. 
Tritylodon, 789. 
Tritylodontid:e, 789. 
'Trochietis, 833. 
Trochotherium, 833. 
Troglodytes, 903. 
Trogontherium, 843. 
PART III: INDEX. 
Trogopterus, 867. 
'Trogosus, 906. 
Tropicolobus, 896. 
Tropodon, 948. 
Trouessartella, 877. 
Trouessartia, 877. 
Trucifelis, 829. 
Trygenycteris, 805. 
Tucanus, 848. 
Tucuxa, 794. 
Tupaia, 875. 
Tupaiade, 875. 
Tupaiidz, 875. 
Tupaina, 875. 
Tursio, 794, 796. 
Tursiops, 794. 
Tychostylops, 905. 
}-Tylodon, 810. 
Tylomys, 853. 
Tylonycteris, 808. 
Tylonyx, 857. 
Tylopodide, 920. 
Tylostoma, 803. 
Typhlodon, 867. 
Typhlomys, 860. 
Typhloryctes, 842. 
Typotheria, 945. 
Typotheriidz, 946. 
Typotherium, 947. 
Tytthoconus, 881. 
1B 

Uakaria, 895. 
Uintacyon, 812. 
Uintacyonide, 812. 
Uintamastix, 908. 
Uintatheriide, 905. 
Uintatherium, 905. 
Ulacodidae, 861. 
Ulias, 791. 
Ultrapithecus, 890. 
Unaiis, 813. 
Uncia, 829. 
Ungulata, 907. 
Unicornus, 940. 
Uperoodon, 796. 
Uphelognatos, 913. 
Upmesodon, 948, 
Uranodon, 796. 
Uranokyrtus, 819. 
Urigna, 836. 

Urmiatherium, 926. 
Urocricetus, 852. 
Uroeryptus, 801. 
Uroeyon, 826. 
Uroderma, 803. 
Uroleptes, 821. 
Urolynchus, 829. 
Uromys, 858. 
Uronycteris, 805. 
Uropsilus, 874. 
Urotragus, 920. 
Urotrichus, 874. 
Ursaretos, 838. 
Ursavus, 838. 
Ursidz, 837. 
Ursini, 837. 

Ursinidz, 837. 
Ursinus, 879. 
Ursitaxus, 833. 
Ursus, 838. 
Urus, 920. 
Urva, 841. 
Ussa, 925. 
Utaetus, 816. 
v. 
Valgipes, 820. 
Vampyrella, 803. 
Vampyressa, 503. 
Vampyride, 801. 
Vampyriseus, 802. 
Vampyrodes, 803. 
Vampyrops, 803. 
Vampyrum, 803. 
Vampyrus, 803. 
Vandeleuria, 858. 
Varecia, 900. 
Verrusus, 930. 
Vesperides, 808. 
Vesperimus, 853. 
Vespertiliavus, 808. 
Vespertilio, 808. 
Vespertilionid:ze, 806. 
Vesperugo, 805. 
Vesperus, 809. 
Vetelia, 816. 
Vetulus, 896. 
Victorlemoineia, 932. 
Vicugna, 921. 
Vieunia, 921. 
Viscaccia, 845. 
Viscachidez, 841. 
Vishnutherium, 926. 
Vison, 833. 
Viveride, 835. 
Viverra, 841. 
Viverravide, 812. 
Viverra vus, 812. 
Viverriceps, 829. 
Viverricula, 841. 
Viverridz, 828. 
Vizeacia, 845. 
Voluceella, 886. 
Voluere, 809, 952. 
Vombatid:e, 886. 
Vombatus, 887. 
Vormela, 833. 
Vulpavus, 812. 
Vulpes, 826. 
Vulpicanis, 826. 
Vulpid:ze, 823. 
Vulpini, 823. 
NV s 
-Wagneria, 837. 
Washakius, 890. 
Wombatus, 887. 
Wortmania, 821. 
Wynyardia, 888. 
x. 
Xantharpyia, 805. 
Xenelaphus, 925. 
Xenochirus, 886. 
