CROCODILIANS, LIZARDS, AND SNAKES. 



751 



DIADOPHIS PUNCTATUS Linnaeus. 



DiadopMs punctatus Baird and Girard, Cat. N. Amer. Rept., 1853, p. 112. — Copk, 

 Proc. Acad. Nat. Sci. Phila., 1860, p. 250.— Jax, Arcli. Zool. Anat. Phys., II, 

 1863, p. 263; Icon. Gen., 1866, p. 15, pi. vi, fig. 1.— Garman, N. Amer. Rept., 

 1883, p. 72, pi. II, fig. 2.— BocouRT, Miss. Sci. Mex., Rept., 1886, p. 618, pi. XL, 

 fig. 1.— Cope, Proc. U. S. Nat. Mus., XIV, 1892, p. 617.— H. Garman, Bull. 111. 

 Lab., Ill, 1892, p. 300. 



Coluber puncta1ns Linn.kus, Syst. Nat., I, 1766, p. 376. — Daudin, Rept., VII, 

 1803, p. 178.— Harlan, Journ. Acad. Nat. Sci. Phila., V, 1827, p. 354; Med. 

 Phys. Res., 1835, p. 117.— Storer, Rep. Fish and Rept. Mass., 1839, p. 225.— 

 HOLBROOK, N. Amer. Herp., Ill, 1842, p. 81, pi. xvih. — DeKay, N. Y. 

 Fauna, III, 1842, p. 39, pi. xiv, fig. 29. 



Coluler iorquatus^HAV.- , Zool., Ill, 1802, p. 553. 



Cal am aria punctata Schlegel, Phys. Serp., II, 1837, \>. 39. 



Ablahes punctatus Dumeril and Bibron, Erp. G^n., VII, 1854, p. 310. — GHnthkr, 

 Cat. Snakes Brit. Mus., 1858, p. 28. 



Ablabes occipitalis Gunther, Cat. Snakes Brit. Mus., p. 29. 



Diadophis occipitalis Cope, Proc. Acad. Nat. Sci. Phila., 1850, p. 250. 



DiadopMs punctatus, xar.paUidus Cope, Proc. Acad. Nat. Sci. Phila., 1850, i>. 250. — 

 BocouRT, Miss. Sci. Mex., Rept., p. 621. 



DiadopMs dysopes Cope, Proc. Acad. Nat. Sci. Phila., 1850, p. 251. 



Coronella punctata Boulenger, Cat. Snakes Brit. Mus., II, 1894, p. 206. 



A yellowish white occipital ring. Body bluish black above; yellow- 

 ish orange beneath, with a medial series of spots, sometimes absent. 

 Tail beneath unicolor. Dorsal 

 scales in fifteen rows; superior 

 labials eight; temporals 1 — 1. 



Head very much depressed, 

 flattened above; snout rounded 

 and overlapping the lower jaw. 

 Frontal plate subpentagonal, 

 tapering backward, posteriorly 

 acute. Parietals large, elonga- 

 ted, subangular. Internasals 

 irregularly rounded, half the 

 size of the prefrontals. Eos- 

 tral broad, but low. ISTasal 

 plates large, nostril intermedi- 

 ate. L o r e a 1 quadrilateral. 

 Two anteorbitals, inferior one 

 narrow and the smaller. Su- 

 perciliary well developed, broader posteriorly than anteriorly. Two 

 postorbitals, inferior one very small, situated above the junction of the 

 fifth and sixth upper labials. Temporal shields conspicuous, anterior 

 one larger and elongated. Upi)er labials eight; seventh the largest, 

 fourth and fifth forming the lower part of the orbit. Lower labials 

 eight; fifth the largest. Two pairs of mental scutelhi', extremity of the 

 posterior pair extending beyond the fifth lower labial. Temporals 1 — 1. 



Body slender, subcylindrical; tail tapering. Scales subelliptical; 



Pig. 162. 



DiADOPHUS PCNCTATUS l.lNNiEUS. 

 = 1. 



Florida. 

 Collection of E. D. Cope. 



