SYSTEMATIC LIST AND SYNONYMY. 169 



TOXICOPHIDI A— Continued. 



Var. TENER 



Elaps tenere B. & G., 1853, Serp., pp. 22, 156; Bd., 1859, P. R. R. Rep., 

 X, pi. 25, f. 16. E. tristk B. & G., 1853, Serp., 23; Bd., 1859, P. R R. 

 Rep., X, pi. 25, f. 17. E. fulvius subsp. tetter Cope, 1875, Checklist, 

 34. 



Anterior portion of head black. A yellow occipital ring. Black 

 rings fifteen in number. Red rings broadest. Yellow rings about 

 half as wide as the black, and twice as many as either black or red. 

 Tip of tail black. Ventrals 224 to 227. Subcaudals 26 to 38. 



Texas. 



Var. apiattjs • 106 



Jan, 1S63, Sist., 113. Elaps apiatus Jan, 1859, Rev. & Mag. Zool. 

 (Extr., pp. 6, 11, pi. A, f. 4). 



Vera Cruz. 



Var. epistema 106 



Elaps epistema D. & B., 1854, Erp., VIL 1222; Gthr., 1858, Cat., 236; 

 Jan, 1859, Rev. & Mag. Zool. (Extr., p. 6), — 1863, Sist., 113. 



Mexico. 



Var. diastema 107 



Jan, 1863, Sist., 113. Elaps diastema D. & B., 1854, Erp., VII, 1222; 

 Sumichr., 1881, Bull. Soc. Zool. de France, 185. 



Mexico. 



Var. CEREBRIPDNCTATUS 107 



Elaps cerebripunctalus Pet., 1869, Mb. Berl. Akad., 877. 



Pueblo, Mexico. 



Elaps euryxanthus iq'j 



Kerm., 1S60, Pr. Phil. Ac, 337; Cope, 1861, Pr. Phil. Ac, 296, — 1866, 

 Pr. Phil. Ac, 307, — 1875, Checklist, 34; Coues, 1875, Wheeler's 

 Rep., V, 611. 



Arizona to Mexico. 



Elaps laticollaris 107 



Elaps marcgravii var. laticollaris Pet., 1869, Mb. Berl. Akad., 877. 



"Pueblo, Mexico." 



Elaps decoratus 108 



Jan, 1859, Rev. & Mag. Zo51. (Extr., pp. 7, 14, pi. B, f. 5), — 1863, Sist., 

 114, — 1872, Icon., livr. 42, pi. 6, f. 4. 



Mexico. 



Elaps elegans 108 



Jan, 1859, Rev. & Mag. Zool. (Extr., pp. 6, 13, pi. B, f. 1), — 1863, Sist., 

 114, — 1S72, Icon., livr. 42, pi. 5, f. 2; Cope, 1861, Pr. Phil. Ac, 295. 



Mexico. 



PLATYCERCA 109 



HYDROPHIDAE 109 



Pelamis 109 



Daudin, 1S03, Rept., VII, 357. 



