SYSTEMATIC LIST AND SYNONYMY. 165 



O P H I D I A— Continued. 



LODIA 



Baird & < rirard, 1853, < !at N. A. Serp., 116. 



Head distinct Frontal divided transversely. Nasal in two parts. 

 Loreal entering orbit, fused with the lower anteocular. Oculars 1—2. 

 Mentals nne pair. Eyes rather large, pupil round. Scales smooth. 

 Anal bifid. Subcaudals in two rows. 



LontA TENUIS 



B. & G., 1853, Serp., 110; Bd., 1859, P. R. R. Rep., N, pi. 36, f. 8; Cope, 

 1875, < iheoklist, 36. ( 'alamaria tenuis I'.. & ( i., 1852, Pr. Phil. Ac, 176. 

 Body slen.ler, subcylindrieal; tail short, conical, tapering. Frontal 

 hexagonal, lateral borders parallel. A small subelliptical shield 

 between prefrontals and frontal. Internasals subtriangular, about 

 half as large as prefrontals. Rostral broad. Nasal in two parts, 

 nostril between. Loreal large, elongate, entering the orbit, fused 

 with lower anteocular. Oculars 1 — 2. Anterior temporal largest, 

 elongate. Labials (5. Infralabials 0, fourth largest. One pair of 

 mentals, (scales rather large, smooth, in 15 rows, outer broader. 

 Yentrals 150. Anal entire. Subcaudals 33 pairs. Brown above, 

 bluish laterally, with a longitudinal stripe of lighter on each flank. 

 Belly lighter, bases of scutes bluish. 



Oregon and Washington Territories. 



Ninia 94 



B. &G., 1853, Serp., -10. Streptophorus D. & B., 1854, Erp., YII, 514. 



Ninia uebmanni 95 



Chersadromus liebmanni Keinh., 1860, Vid. Medd. Kjobenh., 35, pi. IY, 

 f. 10, 11; Cope, 1861, Pr. Phil. Ac., 302; Jan, 1862, Arch. Zool., II, 

 25, — 18G5, Icon., livr. 12, pi. 3, f. 2. 



Vera Cruz, Mexico. 



Ninia sebae 95 



Cope, 18G0, Pr. Phil. Ac., 340. Streptophorus sebae I). & B., 1854, Erp., 

 VII, 515; Gthr., 1858, Cat., 10; Jan, 1S02, Arch. Zool., II, 26, 27, — 

 1803, Sist., 34, — 1865, Icon., livr. 12, pi. 3, f. 4; Mart., 1850, Mug. 

 Berl., 28. 



Mexico. 



Ninia COTXARIB 95 



Streptoplwrus sebae var. coUaris J&u, 1805, Icon., livr. 12, pi. 3, f. 6. 



Mexico. 



Ninia sieboldi '• • 90 



Ehpoides sieboldi Jan, 1802, Arch. Zool., II, 21, - 1863, Sist., 33, — 



L865, Icon., livr. 12, pi. 1, i. 4. 



Mexico. 



Ninia diademata 90 



B. & G., 1853, Serp., 49; Bd., 1859, P. R. R. Rep., X, pi. 27, f. 37. 

 Tropidnnotm dimidiatus Cope, 1861, Pr. Phil. Ac, 297. Streptophorus 

 bifastiatus D. & P., 1854, Erp., YII, 520; Cope, 1800, Pr. Phil. Ac, 

 ::■ Jan, 1862, Arch. Zool., II, 20, — 1863, Sist., 34, — 1865, Icon., 

 livr. 12, pi. :;, f. 3. -Mexico. 



