XYI L,IST OF ILLUSTRATIONS. 



Page. 



208. Pityophis catenifer Blaiuville. Humboldt Bay, Californiji 877 



209. Pityophis vertebralis Blninville. La Paz, Lower California 880 



210. 'Osceola doliata triangula Boie. Westchester County, New York 885 



211. Osceola doliata collaris Cope. Elmira, New York 887 



212. Osceola doli:ita clerica Baird nnd Ginird. Southern Illinois 888 



213. Osceola doliata temporalis Co])e. Delaware 889 



214. Osceola doliata doliata Linna-us 890 



215. Osceola doliata doliata liinna-iis 890 



216. Osceola doliata syspila Cope 891 



217. Osceola doliata parallela Cope. Gainesville, Florida 893 



218. Osceola doliata gent'ilis Baird and Girard 894 



219. Osceola doliata annulata Keunicott 895 



220. Osceola doliata coccinea Schlegel 897 



221. Osceola elapsoidea Holbrook. Florida 901 



222. Ophibolus rhouiboniaculatus Holbrook 903 



223. Ophibolus calligaster Say. St. Louis, Missouri 906 



224. Ophibolus pyrrhomelas Cope. Prescott, Arizona 907 



225. Ophibolus multistratus Kennicott. Fort Niobrara, Nebraska 909 



226. Ophibolus getulus sayi Holbrook. Shawnee Mission, Kansas 912 



227. Ojihibol us getulus getulus Linna'us. Newbern, North Carolina 914 



228. < )phibolus getulus Linna-us 917 



229. Ophibolus getulus splendidus Baird and Girard 918 



230. Ophibolus getulus boylii Baird and Girard. Pasadena, California 920 



231. Ophibolus getulus California' De Blainville. Fresno, California 922 



232 Stilosouia extenuatum Brown. Museum, Academy of Natural Scieuces, 



Philadelphia 924 



233. Coutia mitis Baird and Girard. San Jose, California 926 



234. Lodia tenuis Baird and Girard. Puget Sound, Washington 927 



235. Cemophora coccinea Blumenbach. Volusia, Florida 929 



236. Rhinochilus lecontei Baird and Girard. San Angelo, western Texas 931 



237. Rhinochilus autonii Dug.-s 933 



238. Chionactis episcopus episcopus Kennicott. Wichita River, Texas 938 



239. Chionactis episcoptis isozonus Cope. Fort Whipple, Arizona 940 



240. Chionactis occipitalis Hallowell. Colorado Desert, Colorado 942 



241. Gyalopium canum Cope. Southern Arizona 948 



242. (;liilomeniscus stramineus Cope. Cape St. Lucas, Lower California 949 



243. Chilonieniscus ephippicus Cope. Arizona Valley, California 950 



244. Chilonieniscus fiisciatus Cope. La Paz, Lower California 951 



245. Hypsiglena ochrorhyncha Cope. Cape St. Lucas, Lower California 953 



246. Natrix taxispilota Holbrook. Kinstou, North Carolina 959 



247. Natrix cydopium Duuuril and Bibron 961 



248. Natrix cyclopium Dumoril and Bibron. New Orleans, Louisiana 962 



249. Natrix rhombifera Hallowell. Dallas, Texas 964 



250. Natrix fasciata fasciata Linna-us. Clearwater, Florida 967 



251. Natrix fasciata sipedou Linn.eus. Philadelphia, Pennsylvania 970 



252. Natrix fasciata transversa Hallowell 974 



253. Natrix fasciata erythrogaster Shaw. Jackson, North Carolina 976 



254. Natrix bisecta Cope. Washington, District of Columbia 977 



255. Natrix compressicaudacompressicauda Kennicott. Tampa Bay, Florida. 979 



256. Natrix compressicauda tieniata Cope. Volusia, Florida 981 



257. Natrix compressicauda walkerii Yarrow. Clearwater, Florida 982 



258. Natrix valida valida Kennicott. Rabeh Valley, Utah 984 



259. Natrix valida valida Kennicott. La Paz, Lower California 985 



260. Natrix valida ceheno Cope. Cape St. Lucas, Lower California 986 



261 . Natrix clarkii Baird and Girard. Lake Catherine, Louisiana 987 



