204 BULLETIN 18 7, UNITED STATES NATIONAL MUSEUM 



Crotalus niitchollli pyrrhus 

 Crotalus ruber 



Crotalus tortugensis 

 Crotalus viricUs oreganus 



CAMPECHE 



Constrictor constrictor imperator 



Coniophanes bipunctatus biseriatus 



Coniophanes imperialis clavatus 



Conophis lineatus concolor 



Dipsas brevlfaeies 



Drymoblus margaritiferus margariti- 



ferus 

 Elaplie flavirufa flavirufa 

 Ficimia publia 



Imantodes cenchoa leucomelas 

 Imantodes splendidus luciodorsus 

 Imantodes tenuissimus 

 Leptodeira annulata polysticta 



Leptodeira yucatanensis malleisi 

 Leptophis mexicanus mexicanus 

 Mastieophis mentovarius mentovarius 

 Niuia sebae morleyi 

 Pliocercus elapoides schmidti 

 Sibon nebulatus 

 Spiliites puUatus mexicanus 

 Tretanorhinus nigroluteus lateralis 

 Tropidodipsas sartorii sartorii 

 Thamnophis sauritus chalceus 

 Micrurus affinis alienus 

 Bothrops atrox asper 

 Crotalus durissus durissus 



CHIAPAS 



Leptotyphlops phenops pheuops 



Constrictor constrictor imperator 



Ungaliophis continentalis 



Loxocemus bicolor 



Scaphiodontophis albonuchalis 



Adelphicos quadrivirgatus quadrivirga- 

 tus 



Adelphicos quadrivirgatus sargii 



Adelphicos quadrivirgatus visoninus 



Adelphicos veraepacis nigrilatus 



Amastridium sapperi 



Clelia clelia clelia 



Coniophanes bipunctatus biseriatus 



Coniophanes fissidens punctigularis 



Coniophanes imperalis clavatus 



Conophis pulcher similis 



Dryadophis melanolomus stuarti 



Drymarchon corais melanurus 



Drymarchon corais unicolor 



Drymobius cliloroticus 



Drymobius margaritiferus margariti- 

 ferus 



Drymobius margaritiferus occidentalis 



Elaphe flavirufa matudai 



Elaphe triaspis 



Enulius sumichrasti 



Enulius unicolor 



Ficimia publia 



Ficimia variegata 



Geophis cancellatus 



Geophis nasalis 



Imantodes cenchoa leucomelas 



Imantodes gemraistratus 



Imantodes splendidus luciodorsus 



Imanto<les splendidus oliveri 



Lampropeltis triangulum oligozona 



Leptodeii-a annulata polysticta 



Leptodeira maculata 



Leptodeira yucatanensis malleisi 



Leptophis mexicanus mexicanus 



Mastieophis mentovarius mentovarius 



Ninia sebae sebae 



Oxybelis acuminatus 



Oxybelis fulgidus 



Pituophis deppei lineaticollis 



Pliocercus elapoides diastemus 



Pseustes poecilonotus argus 



Rhadinaea decorata 



Rhadinaea laclirymans 



Salvadora lemniscata 



Sibon nebulatus 



Spilotes pullatus mexicanus 



Stenorrhina freminvillii lactea 



Tantilla jani 



Tantillita brevis-^sima 



Trimorphodon biscutatus biscutatus 



Tropidodipsas sartorii annulatus 



Xonodon mexicanus 



Thanuiophis sauritus chalceus 



Thanniophis sumichrasti sumichrasti 



Micrurus aflinis apiatus 



Micrurus latifasciatus 



Micrurus nigrocinctus ovandoensis 



Micrurus nigrocinctus zunilensis 



Micrurus nuchalis nuchalis? 



Agkistrodon biliueatus 



Bothrops atrox asper 



Bothrops bicolor 



