SYSTEMATIC LIST ANP SYNONYMY. 163 



F H I D I A-c nt 



lIUU'il. 



Var. IIALLOWELI.II 



Twitilla Hall., 185G, Tr. Phil. Ac, 240. T. UallourUii Cope, ISGO, Pr. 

 Pliil. Ac, 77, — 1800, Pr. Phil. Ac, 120,— 1875, Checklist, 35. 



Oculars 1— 1. No IdVeal. Frontal broad, short, licxagonal. Tem- 

 porals 2. Lalnals 6, third and fourth in orbit, fourth to sixth large. 

 Infralabials G, fourth largest. Scales smooth, in 15 rows, outer 

 larger. Ventrals 130. Anal entire. Sulicauilals 42 pairs. Light 

 brown or olive above; light beneath. A verteliral narrow dark- 

 colored line from the back of the bead. 



Kansas. 



Yar. CAL.\MARIN-A 87 



Tnnlilla calamarimi Cope, 1800, Pr. Plul. Ac, 320. T. himacuhtta Cope, 

 1875, Kept. Costa Rica, 143. 



Guadalaxara, Mexico. 



Tantilla nigricep.s 88 



Kennicott, ISGO, Pr. Phil. Ac, 328; Cope, 1860, Pr. Phil. Ac, 120, — 

 1875, Checklist, 35, — 188U, Pull. 20, V. S. Mus., 20; Coues, 1875, 

 Wheeler's Rep., V, 020. Scolecopliix farniceps Cope, 1800, Pr. Phil. 

 Ac, 371, — 1801, Pr. Phil. Ac, 74. 



Texas and New Mexico. 



Tantilla coeonata 88 



Baird & Girard, 1853, Serp., 131; Ed., 1859, P. R. R. Rep., X, pi. 33, f. 

 9G; Cope, 1806, Pr. Phil. Ac, 120, — 1875, Checklist, 35, — 1877, Pr. 

 Am. Phil. Sec, 05. Homalocranioti melanocqjhuhun Jan, 1802, Arch. 

 Zool., II, 50, 51 (mixed). 



Gulf States. 



Var. WAGNERi" 88 



Homalocmnion wagncri Jan, 18G2, Arcli. Zoul., II, 50, 51, — 1803, Sist., 

 40, — 1S6G, Icon., livr. 15, pi. 2, f. 3. 



Florida. 



Tantilla planiceps 89 



Cope, 1875, Checklist, 35 (name). Coluber planicepi Blainv., 1835, 

 Nouv. Ann. Mus. Paris, IV, 294, pi. 27, f. 3; B. & G., 18.53, Serp., 

 154. IToinalocranion yJankeps Dum., 1852, Mem. Ac. Sci., XXIII, 

 490; D. & B., 1854, Krp., VII, 857; Jan, 1862, Arch. ZoOl., II, 51, 55, 

 — 1863, Sist., 40, — 1866, Icon., livr. 15, pi. 2, f. 2. 



California. 



Elapojiorphus 89 



(Wiegmann) Fitz., 1843, Syst. Rept., 25. 



ElAPOJIOKPHUS HrEXICANUS 89 



Guenther, 1862, Ann. Mag. Nat. Hist., pi. 9, f. 1 (extr. p. 0). 



Mexico. 



CONTIA 90 



Baird and Girard, 1853, Serp., UO. 



