103 



Page. 



Omlenodontidae 1^ 



Pachyglossa 18 



Pacific region , 72, 89 



Parasncbia 14 



Pelioutidae 11 



Pi'lody tidae 10 



Peloruedusidae 17 



Phimothyra 38 



Phlegetboutiidae 11 



PJjryniscidae B 



Pbrynosoma 49 



PliyJlodactylus 50 



Pipidfe 9 



Pityopbis 39 



Placodoutidae 14 



Plesiosauridae 15 



Pletbodou 27 



Plotbodontidae 12, 26 



Pleurodelidae 11, 28 



Pleurodira 17 



Pleurodonta 44 



Pleurosteruidae 17 



Podocuemididae 17 



Procoelia 14 



Propleuridae 16 



Proteida 12,24 



Proteidae 24 



Proteroglypba 22, 34 



Protorosauridae 15 



Protostegidae 16 



Pseudemys 52 



Pseudobiaucbus 24 



Pterodactylidae 1:5 



Ptyouiidae 11 



Pytbouidae 21 



Pythonoojorpba. 20 



Eaua 32 



Ranidae 7, 32 



Raniformia 7, 32 



Relation of distribution to physical 



causes 93 



Relations to other realms 58 



Reptilia 12 



Rbabdosomidae 22 



Rbineura 44 



Rbiuocbilus 36 



Rbinophryuidao 9 



Rhiptoglossa 17 



Rhyncbocepbalia 15 



Rby ncbosauridae 15 



Salamandridae 11 



Sauromalus 47 



Sauropterygia 14 



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Scaphiopidae 10, 31 



Scapbiopus 31 



Scelidosauridae 13 



Scelopor us 48 



Scincidae 19, 44 



Scolecopbidia 21, 44 



St^psidae 19 



Sibon 38 



Siren 24 



Sirenidae 12,24 



Smilisca 31 



Soleuoglypba 23, 33 



Sonora 36 



Souoran region 73, 90 



Spea 31 



Spelerpes 27 



Spbaerodactylus 50 



Spbargididae 16,50 



Spbargis 50 



Spbenodontidae 15 



Spilotes 39 



Stegocepbali 10 



Steuostoma 44 



Stenostomidae 21,44 



Stereocbilus 27 



Sternotbaeridae 17 



Sfcoreria 42 



Syinpbypoda 13 



TantiUa 35 



Teidae 19, 45 



Teleosauridae 14 



Teratosauridae 13 



Testudinata 16, 50 



Testudiuidae 16,54 



Testudo 54 



Texan district 80 



Tbalassocbelys 51 



Tbe regions of tbe Regnum nearc- 



ticuui 67 



Tboracosauridae 14 



Tboriidae 11 



Tortricidae 21 



Tortricina 21 



Trachystoniata 12, 24 



Trionycliidae 16 



Triniorphodon 38 



Trogonophidae 20 



Tropidoclonium 42 



Tropidonotus 42 



Tuditanidae 11 



Typblopbtbaluii 44 



Typhlopidae 21 



Uma 47 



