102 



Page. 



Crotaphyfcus 47 



Cryptodira 16,51 



Cyclopbis 38 



Cyclura 50 



Cystignathidae 9,31 



Dactylethridae 9 



Dendrobatidae 8 



Desmoguathidae - 11,28 



Diadophis 37 



Dicamptodon 26 



Dicynodontidae 15 



Diemyctylus 28 



Dimorphodontidao 12 



Dinosauria 13 



Diplodactylus 50 



Diploglossa 46 



Dipsosaurus 48 



Discloglossidae 10 



Dromicus 38 



Eastern region 68, 82 



Elapidae 22,34 



Elaps 34 



Elasmosauridae 15 



Emydidae 16, 52 



Emys 53 



Engystoma 30 



Engystomidae 8, 30 



Epirbesis 31 



Eumecea 44 



Eutsenia 40 



Eretmocbelys 51 



Farancia 35 



Faunal regions of the eartb 55 



Feyliniidae 20 



Firmisternia 8, 30 



Floridan district 77 



Ganocepbala 10 



Gastrecbmia 8 



GecconidsB IS, 50 



Geographical distribution in the 

 Eegnum Nearcticum, with special 

 reference to the Batrachia and 



Reptilia 55 



Gerrhonotidae 18, 46 



Gerrbouotus 46 



Goniopbolididae 14 



Goniopoda 13 



Gyalopium 36 



^ymnopbidia 11 



Gyriuophilns 28 



Hadrosauridae 14 



Haldea 35 



Helicops 43 



Heloderma 47 



Page. 



Helodermidae 19,47 



Hemidactylium 26 



Ilemiphractidae 10 



Hemisidae .- 8 



Heterodon 43 



Holbrookia 47 



Hoinalopsidae 22 



Hudsoniau district 86 



Hydraspididae 17 



Hydrophidae . .• 23 



Hyla 30 



Hylidae 10,30 



Hynobiidae 11 



Hypsiglena 38 



Icbtbyopterygia 15 



Ichtbyosauridae 15 



Iguauia 47 



Iguanidae 18 



Iguauodontidae 14 



Introductory remarks 3 



Labyriuthodontia 10 



Lacertidae 19, 45 



Lacertilia 17,44 



Leptoglossa 44 



Licbauura 43 



Licbanuridae 22,43 



Lithodytes 31 



Lodia 36 



Louisianian district 78 



Lower Californian region 74, 92 



Macrocbelys 52 



Macrollemmys 53 



Mauculus 27 



Megalosauridae 13 



Menopoma 25 



Menoporaidae 12, 25 



Microsauria 11 



Molgopbidae 11 



Mosasauridae 20 



Muraeiiopsis 25 



Najidaj 22 



Necturus 24 



Number of species 58 



Nyctisaura 18, 50 



Odon taglossa 9 



Oligosoma 44 



Opbibolus 36 



Opbidia 33 



Opbeosauria 44 



Opbeosaurus 46 



Oniitbosauria 12 



Oruitbotarsidae 13 



Ortbopoda 13 



Osceola 36 



