SYSTEMATIC LIST AND SYNONYMY. 145 



OPHIDI A— Continued. 



Hydrops auiNcjUBVirrATcs 36 



Homalopsis quinquevitiatiu 1>. & 13., 1854, Krp., VII, 975. Calopisma 

 quinqu* vittatwm Jan, 1803, ISi.st., 75, — 1865, Arch. Zool., 244, — 1808, 

 Icon., livr. 30, pi. 2, f. 1. C. quinquevtitatum var. mexicana Jan, J803, 

 sist., 7"', 1868, Icon., livr. 30, pi. 2, i. 2. 



Mexico ami Central America. 



Hydrops septemvittatus 



i 'ulopisma septemvittatum Fischer, ls79, Verh. Nat. Vereins, Harab., 84. 

 Intern asals fused. Nasal entire, grooved. Loreal present. Labials 

 8. Infralabials 0. Temporals 1+2+3. Scales in 111 runs, smooth. ' 

 Ventrals 122 to 130. Anal bifid. Subcaudals 63 to 81 pairs (in de- 

 scription 53 to 73). Hack chocolate brown, with four longitudinal 

 black bands. Belly yellowish white, with three Longitudinal black 

 bands. 



Mexico. 



COLUBRINAE 37 



Colvtbridae Gthr., 1858, Cat., 84. 



Salvadora 38 



Baird ami Girard, 1853, Serp., 104. Phimothyra Cope, I860, Pr. Phil. 

 Ac, 253 ami 566. 



Salvadora grahami] 38 



B. A < i., 1853, Serp., pp. 104, 161 ; Ed., 1859, P. R. E. Rep., X, pi. 32, 

 f. 78, — Mex. Bound. Surv., II, 21, pi. 5, 1". 2; Jan, 1861, Icon., livr. 

 1, pi. 3, f. 1, — 1863, Sist., 58. Phimothyra grahamii Cope, 1861, Pr. 



Phil. Ac, 300, — 1860, Pr. Phil. Ac., 310, — 1875, Checklist, 38; 

 Yarr., 1875, Wheel. Rep., V, 538; Coues, 1875, Wheeler's Rep., V, 

 020. 



California to Mexico and Utah to Texas. 



Var. bairdii 



Salvadora bairdii Jan, 1861, Icon., livr. 1, pi. 3, f. 2,— 1863, Sist., 58. 

 Phimothyra bairdii Cope, 1861, Pr. Phil. Ac, 300; Sumichrast, 1S73, 

 Arch. Sri., 245; Ptas., 1869, Mb. Brl. Aka.l, 870. 



Oculars 2 2 to 3. Loreals 2. Labials 8, sixth largest. Infra- 

 labials 10. Temporals 2+2+:'.. Rostral less produced backward, less 

 prominent, and less free on the margins than that of 8. grahamii. 



Mexico. 



Var. iiexai.kpis . . . . 39 



Phimothyra hexaleph Cope, 1866, TV. Phil. Ac, 305. Phimothyra gra- 

 hamiae subsp. hexalepii Cope, bs75, Checklist, 38. Phimothyra gra- 

 hamiae hexalepis Coues, L875, Wheeler's Rep., V, 020. 



Arizona. 



Salvadora decitrtata •*" 



Phimothyra deeurtata Cope, 1868, Pr. Phil. Ac, 310, — 1875, Checklist, 



38. 



Lower California. 



Mem. — vol. u — 10. 



