648 13. COLUBRID 
141. Diadophis amabilis Baird & Girard 
WESTERN RING-NECK SNAKE 
Plate 61 
Diadophis amabilis Bairp & Grrarp, Cat. N. Amer. Rept., Pt. I, Ser- 
pents, 1853, p. 113 (type locality, San Jose, Cal.); Barrp, Rep. 
Pac. R. R. Surv., Vol. X, 1859, Pt. III, pl. XXXII, figs. 83; Van 
Densurcu, Occas. Papers Cal. Acad. Sci., V, 1897, p. 164, figs.; 
Cope, Report, U. S. Nat. Mus., for 1898, 1900, p. 746 (part); 
Brown, Proc. Acad. Nat. Sci. Phila., 1901, p. 70 (part); GRINNELL 
& GrinnELt, Throop Institute Bulletin, No. XX XV, 1907, p. 38; 
Dirmars, Reptile Book, 1907, p. 337; Grinnett, Univ. Cal. Publ. 
Zool., Vol. 5, No. 1, 1908, p. 164; Hurrer, First Ann. Rep. Laguna 
Marine Lab., 1912, p. 67; Arsatr, Univ. Cal. Publ. Zool., Vol. 12, 
No. 3, 1913, p- 41; RuTuiinc, Copeia, No. 15, 1915; GRINNELL & 
Camp, Univ. Cal. Publ. Zool., Vol. 17, No. 10, 1917, p. 184; STEJ- 
NEGER & Barsour, Check List N. Amer. Amph. Rept., 1917, p. 
75; Cowes, Journ. Entomol. & Zool. Pomona College, Vol. XII, 
No. 3, 1920, p. 66; SrepHENS, Trans. San Diego Soc. Nat. Hist., 
Vol. III, No. 4, 1921, p. 64. 
Diadophis pulchellus Bairpv & Grirarp, Cat. N. Amer. Rept., Pt. I, 
Serp., 1853, p. 115 (type locality, El Dorado Co., Cal.); Barrp, 
Rep. Pac. R. R. Surv., Vol. X, 1859, Pt. II, pl. XXXIII, figs. 
85, and Pt. IV, No. 4, p. 11; SrEyNEGER, N. Amer. Fauna, No. 7, 
1893, p. 203. 
Ablabes punctatus (pulchellus) Hattowe.t, U. S. Pac. R. R. Surv., 
Vol. X, 1859, Pt. IV, No. 1, p. 24. 
Diadophis punctatus pulchellus Corr, Proc. Acad. Nat. Sci. Phila., 1860, 
p- 250; Jan, Elenco syst. degli Ofidi, 1863, p. 49; Jan, Iconogr. 
génér Ophid., se livr., 1866, pl. VI, fig. 3; Cope, Proc. Acad. 
Nat. Sci. Phila., 1883, p. 27; Townsenp, Proc. U. S. Nat. Mus., 
Vol. 10, 1887, p. 239. 
Diadophis punctatus Cooper, Proc. Cal. Acad. Sci., Vol. IV, 1870, p. 71. 
Diadophis punctatus amabilis Corr, Bull. U. S. Nat. Mus., No. 1, 1875, 
p- 37 (part); Garman, Mem. Mus. Compr. Zool., Cambr., Vol. 
VIII, 1883, p. 159; Yarrow, Bull. U. S. Nat. Mus., 24, 1883, p. 
95 (part); Townsenp, Proc. U. S. Nat. Mus., 1887, p. 239. 
Diadophis modestus Bocourt, Miss. Sci. Mex., 1886, p. 623 (type locality , 
California). 
