238 BULLETIN 187, UNITED STATES NATIONAL MUSEUM 



Trimeresurus nummifer nummifer, 183. 



nummifer picadoi, 183. 



schlegelii, 183. 



undulatus, 183. 



yucatanicus, 184. 

 Trimorphodon, 8-10, 17, 145. 



biscutata latifascia, 147. 



biscutatus biscutatus, 146, 204, 209, 

 211. 



biscutatus quadruplex, 145. 



biscutatus semirutus, 146, 206, 207, 

 209. 



coUaris, 146, 147, 215. 



fasciolata, 146, 147. 209. 



forbesi, 146, 147.212. 



lambda, 145, 147.213. 



latifascia, 146. 147, 209, 212. 



lyrophancs, 145, 148. 203. 



major, 146. 



paucimaculatus, 146, 148, 208, 210, 

 213. 



tau, 146, 148,207-209,211. 



upsilon, 146, 148, 205, 206, 208-210, 

 216. 



upsilon collaris, 147. 



vandenburghi, 145. 149. 



vilkinsonii. 146, 149, 205. 

 triseriatus, Crotalus triseriatus, 186, 196, 

 207-210.213. 



Uropsophus, 184, 196. 

 trivirgata. Lichanura, 25, 26, 203. 

 tropica, Storeria, 156. 

 Tropidoclonium annulatum, 150. 



storerioides, 157. 

 Tropidodipsas, 8, 10, 13, 14, 49, 149. 



annulifera, 201. 



brevifacies, 50. 



dumerilii, 152. 



fasciata, 149-151, 215, 216. 



fischeri, 149-151. 



guerreroensis, 150, 151, 207, 209, 

 211. 



lunulatus, 114. 



macdougalli, 150, 151, 211. 



occidentala, 151. 



occidentalis, 149. 151, 206. 



philippii, 149, 151, 206, 213. 



sartorii, 152. 



sartorii annulatus, 150, 152. 204. 



sartorii sartorii, 150, 152, 204, 213- 

 216. 

 Tropidogeophis, 149. 



annulatus, 152. 

 Tropidonotus baronis-mxilleri, 164. 



celaeno, 155. 



digueti, 161. 



dimidiatus, 201. 



godmani, 167. 



melanogaster, 164. 



mesomelanus, 164. 



quadriserialis, 156. 



rhombifera, 155. 



scaliger, 167. 



tephropleura, 155. 



transversus, 55, 154. 



Typhlopidae, 7, 18. 

 Typhlops, &-12, 18, 19. 



basimaculatus, 19, 214. 



braminus, 19, 207, 208. 



longissimus, 202. 



microstomus, 19, 215. 



nigricans, 20. 



perditus, 19. 



praelongus, 19. 



psittacus. 202. 



tenuis, 19. 



undulatus, Bothrops, 179, 183, 207, 211, 

 215. 



Trigonocephalus, 179. 



Trigonocephalus (Atropos), 183. 



Trimeresurus, 183. 

 Ungaliophis, 8, 10, 12, 26. 



continentalis, 26, 27, 204. 



danieli, 26. 



panamensis, 26. 

 unicolor, Drymarchon corals, 54, 56, 

 204. 



Enulius, 61, 204, 207, 209, 211. 



Geophis, 61. 

 upsilon, Trimorphodon, 146, 148, 205, 



206. 208-210, 216. 

 Urocrotaion, 184. 

 Uropsophus, 184. 



triseriatus, 184, 196. 

 Urotheca elapoides, 109. 



valida, Natrix, 154, 155, 203, 206, 207, 

 210, 213. 



Regina, 155. 

 vandenburghi, Trimorphodon, 145, 149. 

 varia, Liophis, 97. 

 variabilis, Hemigenius, 157. 



Spilotes, 131. 



Tretanorhinus, 145. 

 varians, Oxyrhina, 142. 144. 



Toluca'lineata, 143. 144, 212, 215. 

 variegata, Ficimia, 62, 63, 204. 211. 

 variegatum, Amblymetopon, 62, 63. 

 variolosus, Masticophis flagellum, 94, 



96, 210. 

 veUferum, Amastridium, 31. 

 ventralis, Stenorrhina, 132. 

 venusta, Hypsiglena, 73. 

 venustissimus, Erythrolamprus, 200. 



var. D, Erythrolamprus, 200. 

 veraecrucis, Dryadophis melanolomus, 



52, 53, 211, 214, 215. 

 veraepacis, Adelphicos veraepacis, 30. 

 verraiculaticeps, Taeniophis, 115. 

 vertebralis. Coluber, 108. 



Pituophis, 105, 108, 203. 

 vicinus, Thamnophis, 161, 169, 209. 

 victa, Storeria, 156. 

 videns, Conophis vittatus, 44. 

 viduus, Conophis sumichrastii, 44. 



Conophis vittatus, 43, 44, 211. 

 vilkinsonii, Trimorphodon, 146, 149, 



205. 

 villarsii, Cheilorhina, 134. 



