SYSTEMATIC LIST AND SYNONYMY. 135 



O P H I D I A- Contiiiuoil. 



SlBON ANNULATIM 



Fitz., 1826, Neue Class., 60; Cope, 1860, Pr. Phil. Ac, 266. 



Coluber anmdatm Linn., 1754, Mus. Ad. Fritlr., pi. 8, f. 2, — 1758, Syst., 



I, 224, — 1766, Syst, I, 386; Mus. Linck., I, No. 76; Gmclin, 1788, 

 Syst. Linn., I, 1111 ; Shaw, 1802, Gen. Zoul., Ill, 490; Latr., 1802, 

 Rept., IV, 127; DauJ., 1803, Kept, VI, 369; Kuhl, 1820, Beitr., 85; 

 Merr., 1820, Ampli., Ill, — 1821, Beitr., fasc. 3, p. 25, pi. 3^. ' Dipsas 

 annulata Sehleg., 1837, Ess. Phys., I, 165, II, 294; DeFil., 1840, Cat 

 Serp.; D. & B., 1854, Erp. Gen., VII, 1141; Martens, 1856, Mus. Berl., 

 32. Lycodon annulutus Bote, 1827, Isis, XX, 527. Leptodcira annulata 

 Fitz., 1843, Syst., £7; Gllir., 1858, Cat., 166. Eldrodipsas annulata 

 Jan, 1863, Sist., 105. 



Seba, 1735, II, pi. 41, f. 3, pi. 57, f. 1, pi. 71, f. 3; Scheuchser, 

 1735, Phys. Sacr., IV, pi. 652, f. 2; Knorr, 1767, Delia. Surin. Nat, 



II, pi. 6, f. 2; Daub., 1771, Diet Encycl., 591; LaC, 1789, Quad. 



Ovip., II, 312; Beciist., 1802, Ueb. LaC, IV, 107, pi. 13, f . 1 ; Merr., 



1790, Beitr., pt I, pi. 11 ; Herm., 1804, Ob.s. Zoul., I, 285. 



^Mexico to Brazil. 



Var. SEPTENTRIOX.M.E 17 



Dipsas sepimtrionalis Kenn., 1859, IMex. Bound. Surv., II, 16, pi. VIII, 



f. 1; Bd., 1859, P. R. R. Rep., X, pi. 25, f. 18. Sibon aqifrntrionalis 



Cope, 18G0, Pr. Phil. Ac., 22ti. Sibon, annuhUum subsp. mpirntrionale 



Cope, 1875, Checklist, 38. Etdrodipsas annulata var. S(ptenti-kinalis 



Jan, 1872, Icon., livr. 39, pi. 1, £. 2. 



Texas; Arizona; Mexico. 



SiBOX TOKIJUATUM 1-S 



Leplodeira torquatu Gthr., 1860, Ann. Mag. Ilipsiglcna torquaia Cope, 

 1801, Pr. Phil. Ac, 302. Nicaragua. 



Var. PACiFicuM 



Li'ptodeira paeificn Cope, ISOS, Pr. Phil. Ac, 310. 



Oculars 2—2. Loreal higher than hing. Labials 7, tliinl and fourth 

 in orbit Temporals 1 +2. Scales in 19 rows, biporous, all nearly 

 equal. Vcntrals 164. .\nal bifid. Sulieaudals 61 pairs. Back brown- 

 ish, with four scries. of blackish brown very small spots, of which the 

 median pair forms usually a short cross-bar by their union. A broad 

 black bar across the nape; a short brown line behind each eye, and'a 

 number of dots on the crown. Below uniform cream color. 



Mazatlan, Mexico. 



Var. ['EIKONATUM 



•Leptodeira pcrwnata Cope, 1868, Pr. Phil. Ac, 310. 



Oculars 1—2. Lorcal as high as long. Labials 8, fourth and fifth 

 in orbit. Temporals l-f2. Scales in 23 rows, biporous. Ventral8l73; 

 anal divided. Cream color, with broad black cross bands on the dorsal 

 region, 23 between nape and vent. Top of head black. A broad yel- 

 lowish collar. 



Mazatlan, Mexico. 



SiBOX DISCOLOR 18 



Leptodeira discolor Gthr., 1860, Pr. Zool. Soc. Lend., 317. 



Oaxaca, Mexico. 



