SYSTEMATIC LIST AND SYNONYMY. 145 



OPHIDI A— Continued. 



Hydrops quixqueyittatus 36 



llonudopzis quinquevittatua D. & B. f 1854, Erp., VII, 975. C'alopkma 

 qninquevittatum Jan, 1863, Sist., 75, — 1865, Arch. ZoOl., 244, — 1868, 

 Icon., livr. 30, pi. 2, f. 1. C. quiriqueviUatum var. mexicana Jan, 1863, 

 Sist., 75, — 1S68, Icon., livr. 30, pi. 2, 1'. 2. 



Mexico and Central America. 



Hydrops septemvittatus 



Calopisma septemvittatum Fischer, 1S79, Verh. Nat. Veruins, Ilamb., 84. 



Internasals fused. Nasal entire, grooved. Loreal present. Labials 

 8. Infralabials 9. Temporals 1+2+3. Scales in 19 rows, smooth. 

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

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

 black bands. Belly yellowish white, with three longitudinal black 

 bands. 



Mexico. 



COLUBRINAE 37 



Colubridae Gthr., 1858, Cat, 84. 



Salvadora 38 



Baird and Girard, 1853, Serp., 104. Phimothyra Cope, 1860, Pr. Phil. 

 Ac, 253 and 566. 



Salvadora graii amii 38 



B. & G., 1853, Serp,, pp. 104, 161 ; Bd., 1S59, P. R. B. Rep., X, pi. 32, 

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

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

 Phil. Ac, 300, — 1S66, Pr. Phil. Ac, 310, — 1875, Checklist, 38; 

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

 620. 



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, 1873, 

 Arch. Sci., 245 ; Ptrs., 1869, Mb. Brl. Akad., 876. 



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

 labials 10. Temporals 2+2+3. Eostral less produced backward, less 

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



Mexico. 



Var. hexai.epts 39 



Phimothyra hc.vaUpis Cope, 1866, Pr. Phil. Ac, 305. Phimothyra gra- 

 hamiae subsp. MvaUpis Cope, 1875, Checklist, 38. Phimothyra gra- 

 Mmiae hcxalepis Coues, 1875, Wheeler's Rep., V, 020. 



Arizona. 



Salvadora decurtata 39 



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

 38. 



Lower California. 



Mem. — vol. n — 10. 



