INDEX X Swallow־tail6, Piate 29, Map i ; p. 51 Swans, Piate 15, Map y ; p. 32 Swifts, Plate 14, Mapii; p. 31 Sword-Fishes, Plate 23, Map ii ; p. 44 Sylviidæ. Plate 11, Map iv ; p. 28 Sylvilagus, 18 Symbranchidæ, Plate 25, Map ii; p. 46 Synemon, 53 Syngnathidæ, Plate 24, Map iv ; p. 45 Syngnathus, 45 Syntomidæ, Plate 32, Map iii ; p. 53 Syrnium, 31 Syrphidæ, Plate 35, Map iii; p. 56 Syrrhaptes. 36 Tabanidæ, Plate 35, Map iii; p. 56 Tabanus, 56 Taehyoryctes, 19 Tachypetidæ, Plate 15, Map iv ; p. 32 Tadorna, 32 Takin, 7, 22 Talegalius, 36 Talpa, 5, 14 Talpidæ, Plate 4, Map i ; pp. 5, 7, 14 ,, Absence of, 6 Tamandua, 24 Tanagers, Plate 10, Map iii; pp. 9, 26 Tanagridæ, Plate 10, Map iii ; pp. 9, 26 Tanganyicia, 50 Tantalince, 33 Tantalus, 33 Tapacolas, 29 Taphozous, 14 Tapiridæ, Plate 7, Map iii ; p. 22 Tapirs, Plate 7, Map iii; pp. 7, 9, 10, 22 Tapirus, 7, 9, 10, 22 Tarpan, 21 Tarpon, Plate 25, Map v ; p. 47 Tarsiers, Plate 3, Map iii; pp. 7, 13 Tarsiidæ, Plate 3, Map iii ; pp. 7, 13 Tarsipes, 25 Tasmanian Devil, 25 Taxidea, 10, 16 Tayassus, 23 Teal, 32 Teinopalpus, 51 Tejidæ, Plate 20, Map i ; pp. 10, 39 Teju, 39 TELEOSTEI, 42 Temperature, its Influence on Distribution, 2 Tench, 46 Tenebria, 55 Tenebrionidæ, Plate 34, Map iii ; pp. 6, 55 Tenrecs, Plate 4, Map ii ; pp. 6, 7, 14 Terias, Plate 29, Map iv; pp. 6, 51 Termites, Plate 35, Map iv ; p. 56 Termitidæ, Plate 35, Map iv ; p. 56 Terns, Plate 17, Mapiv; p. 34 Terpsiphone, 28 Terrapins, Plate 20, Map v; p. 40 ,, Alligator-, Plate 20, Map vi; p. 40 ,, Mud־, Plate 20, Map vi ; pp. 9, 10, 40 Testacella, 49 Testacellidæ, Plate 27, Map ii; p. 49 Testudinidæ, Plate 20, Map v ; p. 40 Testudo, 40 Tetraceros, 7, 21 Tetradactylus, 39 Tetrao, 36 Tetraonidæ, Plate 18, Map v; pp. 5, 10, 36 Tetrapturus, 44 Tetrodon, 42 Tetrodontidæ, Plate 22, Map i ; p. 42 Teuthididæ, Plate 23, Map iv; p. 44 Teuthis, 44 Thais, Plate 29, Map ii ; pp. 5, 6, 51 Thalassochelys, 40 Thalassophryne, 43 Thauma, 53 Theda, 53 Therioplectes, 56 Theropithecus, 13 Thick-knees, Plate 17, Map iii ; p. 34 Thinocorythidæ, Plate 17, Map i ; pp. 9, 33 Thomomys, 19 Thorius, 42 Thornbacks Plate 24, Map v ; p. 46 Threadfins, Plate 24, Map ii; p. 45 Thresher, 48 Thrushes, Plate 11, Map iv ; pp. 5, 28 ,, Ant-, Plate 12, Map vii ; pp. 9, 29 ,, ״ Old World, 28 ,, Babbling-, Plate 11, Map vi ; pp. 7, 28 Thurmus, 44 Thylacine, Plate 9, Map viii ; pp. 8, 25 Thylacinus, 25 Thylacomys, 25 Sotalia, Plate 8, Map ii South African Sub-region, 0 Spalacidse, Plate 6, Map v ; p. 19 Spalax, 19 Sparidse, Plate 23, Map v ; p. 44 Sparrows, 26 Spar us, 44 Spatida, 32 * Spelerpes, Plate 21, Map vi; p. 42 Sphcerium, 51 Sphargidse, Plate 20, Map vi; p. 40 Sphargis, 40 Spheniscidse, Plate 17, Map vi; p. 35 SPHENISCIFORMES, 35 Splienostoma, 27 Sphingidse, Plate 32, Map ii; p. 53 Sphinx, 53 Sphyrcena, 45 Sphyrsenidse, Plate 24, Map ii; p. 45 Sphyrna, 48 Sphymidse, Plate 26, Map iv ; p. 48 Spilosoma, 54 Spinacidse, Plate 26, Map iii; p. 48 Spirula, Plate 27, Map ii; p. 49 Spirulidse, Plate 27, Map ii; p. 49 Spoonbills, Plate 16. Map iv ; p. 33 Sprat, 47 Squids, Plate 27, Map i; p. 49 Squirrels, Plate 6, Map vii ; p. 20 ,, African Flying, Plate 6. Map vii: pp. 6, 20 Staphylinidse, Plate 33, Map v; pp. 5, 55 Star-gazers, 43 Starlings, Plate 10, Map ii ; pp. 7, 26 ,, Glossy, Plate 10, Map ii; p. 26 Stauropus, 53 Steatornithidse, Plate 13. Map iv: pp. 9, 30 Stegomyia, Plate 35, Map ii ; p. 56 Stegostoma, 48 Steinboks, 21 Steno, Plate 8, Map ii Stenobothrus, 56 Stenodelphis, 23 Stenogyra, 49 Stenogyridse, Plate 27, Map iv ; p. 49 Stercorariidse, Plate 17, Map iv ; p. 34 Stercorarius. 34 Sterna, 34 Sternince, Plate 17, Map iv ; p. 34 Sternothcerus, 40 Sticklebacks, Plate 24, Map iv; pp. 5, 46 Stigmatops, 27 Stigmodera, Plate 34. Map ii; p. 55 Stilpnotia, 54 Stints, 34 Stoastoma, 50 Stoat, 16 Stomiatidse, Plate 25, Map iii; p. 47 Storks, Plate 16, Map iv; p. 33 Strepsiceros, 21 Streptostylus, 49 Strigidse, Plate 14. Map vii; p. 31 STRIGIFORMES, 31 Stringopidse. Plate 14, Map vi; pp. 8, 9, 31 Stringops, 31 Strix, 31 Stromateidse. Plate 24. Map ii; p. 45 Stromateus. 45 Strombidse, Plate 27. Map vi; p. 50 Strombus, 50 Strophia, 49 Struthionidae, Plate 18, Map vi; pp. 6, 7, 37 STRUTHIONIFORMES, 37 Stumptjia, 41 Sturgeons, Plate 25, Map vi; pp. 5, 47 ,, Toothed, Plate 25, Map vi; pp. 5, 47 Sturnidae, Plate 10, Map ii; pp. 7, 26 Sturnopastor, 26 Sturnus, 26 Succinca, 49 Succineidae, Plate 27, Map iv ; p. 49 Sucker-Fishes, Plate 22, Map iv ; p. 43 Sucking-Fishes, Plate 22, Map vi; p. 43 Suidae, Plate 7, Map vii; p. 23 ,, in Japan, 11 Sida, 32 Sulidae, Plate 15, Map iii; p. 32 Sun-Birds, Plate 10, Map vi; pp. 6, 27 Sun-Bitterns, Plate 16, Map vi; p. 33 Sun-Fishes, Plate 22, Map i; p. 42 ,, (Centrarchidae), 45 Surf-Fishes, Plate 23, Map iii; p. 44 Surgeon-Fishes, Plate 23, Map iv ; p. 44 Suricata, 17 Sus, 23 Susliks, 20 Swallow, Chimney-, 31 Swallows, Plate 12, Map ii; p. 28 Serrasalmo, 47 Serval, 18 Sesiidae, Plate 32, Map ii; p. 53 Sewellels, Plate 6, Map vi; pp. 10, 20 Shag, 32 Shark, Basking, Plate 26, Map iv ; p. 48 ,, Blue, Plate 26, Map v; p. 48 Sharks, Bullhead, Plate 26, Map v; p. 48 ,, Comb-toothed, Plate 26, Map v; p. 48 ,, Hammer-head, Plate 26, Map iv ; p. 48 ,, Whale, Plate 26, Map iv ; p. 48 Sharpe, Dr R. Bowdler, Scheme for Zoogeographical Regions, 4 Shearwaters, Plate 17, Map v ; p. 34 Sheathbills, Plate 17, Map i; p. 33 Sheep, Plate 7, Map iv ; pp. 5, 10, 22 ,, Absence of, 6 Sheep’s-Head, 44 Shells, Apple, 50 ,, Date51 ,־ ,, Helmet-, Plate 27, Map vi; p. 50 ,, Scallop- Plate 28, Map v ; p. 51 ,, Wing-, Plate. 28, Map i; p. 50 Shield-Tails, Plate 19, Map iv ; pp. 7, 38 Shoebill, 33 Shoveller, 32 Shrews, Plate 4, Map iii; pp. 5, 15 ,, Elephant, Plate 4, Map iv; pp. 5, 6, 15 ,, Mole־, Plate 4, Map i; p. 14 ,, Tree-, Plate 4, Map iv ; pp. 7, 11, 15 Shrikes, Plate 11, Map ii; p. 27 ,, Cuckoo־, Plate 12, Map i; pp. 8, 28 ,, Swallow-, Plate 11, Map iii; pp. 8, 28 ,, Wood-, Plate 11, Map iii; p. 27 Siberian Sub-region, 5-6 Sicista, 19 Sigmodontince, 10, 19 Silkworm, 53 Silphidae, Plate 33, Map vi; p. 55 Siluridse, Plate 25, Map ii; p. 46 Simla, 7, 13 Simiidse, Plate 3, Map i; p. 13 SIMPLICIDENTATA, 18 Siphonostoma, 45 Siren, 42 SIRENIA, 24 Sirenidse, Plate 21, Map v; pp. 10. 42 Siskins, 26 Sitta, 27 Sittidse, Plate 11, Map i; p. 27 Sivatherium, 22 Skates, Plate 26, Map ii; p. 48 Skimmers, Plate 17, Map iv ; p. 34 Skinks, Plate 19, Map vi; pp. 9, 38 Skippers, Plate 31, Map vi ; p. 53 Skuas, Plate 17, Map iv ; p. 34 Skunks, Plate 5, Map ii; p. 16 Skylark, 26 Slime-heads, Plate 24, Map i; p. 45 Sloths, Plate 9, Map ii; pp. 9, 24 Slow-worms, Plate 20, Map ii; pp. 8, 10, 39 Slugs, Shelled, Plate 27, Map ii; p. 49 ,, True, Plate 27, Map ii; p. 49 Smelt, 47 Smelts, Sand-, Plate 24, Map iii; p. 45 Smew, 32 Smooth-heads, Plate 25, Map iv ; p. 47 Snails, Agate-, Plate 27, Map iv ; p. 49 ,, Amber־, Plate 27, Map iv ; p. 49 ,, Typical Land-, Plate 27, Map iii ; p. 49 ,, Viviparous Pond-, Plate 28, Map i; p. 50 Snake-Birds, 32 Snake-Fishes, Plate 22, Map iii; p. 43 SNAKES, 37 Snakes, Blind־, Plate 19, Map iv ; p. 38 ,, Colubrine, Plate 19, Map iii; p. 38 ,, Coral-, Plate 19, Map ii; pp. 10, 37 ,, Cylinder-, Plate 19, Map iv ; pp. 7, 38 ,, Egg-eating, Plate 19, Map ii ; pp. 6, 7, 37 ,, Glass-, Plate 20, Map ii; p. 39 ,, Oriental Fresh-water, Plate 19, Map ii; pp. 7, 37 ,, Rattle־, Plate 19, Map i; p. 37 ,, Sea-, Plate 19, Map i; p. 37 ,, Tree־, Plate 19, Map ii; pp. 10, 37 ,, Wart־, Plate 19, Map iii; pp. 7, 38 Snappers, Plate 20, Map vi; p. 40 Snipe-Fish, 45 Snipes, Plate 17, Map i; p. 34 ,, Seed-, Plate 17, Map i; pp. 9, 33 Sole, 44 Solea, 44 Solenodons, Plate 4, Map ii ; pp. 9, 10, 14 Solenodontidse, Plate 4, Map ii ; pp. 9, 10, 14 Solitaire, Plate 18, Map iii; pp. 3536־ Somateria, 32 Sorex, 15 Soricidse, Plate 4, Map iii; p. 15