^"{'sol'''] PliOCEEDINGS OF THE NAlluNAL MLSLLM. 68o 



Austioripurian region of North America, and iha C. cattiiat us to tlir 

 Eastern region, excei)t that i»art ot it (hat lies east of tlie Alh';;heiiv 

 Mountains. Tlic species (h) not occur on th«' «h\v |)lain> ot tlie interior, 

 nor in the Facilic region; a subspecies of the C. catiuatit.s langes west 

 to Arizona. 



Crotalophorus luiliariuB i.iiiii. 



Gray, Auu. IMiilos., IS^T), p. "JOr) ; in GrilV. K('<,'in' Auini., IHliii, p. 7H ; ll()ll>i<n»k. N. 



Am. lleip., l.«42, p. 'Jo Gray, Cat. Hrit. Mns., lt!<i;), p. 17; H.l. and Ginl., Cat. 



8erpt., Smiths. lust., 1853, p. 11; IJainl, V. S. I'ac. K, H. Kxpl. Kcp., X, 1851). 



Wliipplf's K<»pt., p. 40. 

 Crotalun miliarius Linn., Syst. Nat. Hd., .\ii, v. i, ITtiil, p. :!7v! ; (inifliii. Linn., S. 



N., 1,1788, p. 1080; Laci^pode, Hist. Seri»., ii, 17h'J, p. I'Jl ; 15onin»ti'rr<<, Opiiiol., 



1790, p. 1 ; Shaw, in, 180"2, p. :?3'j; Daudin, Hist. I{ei)t., v, ISO'i, p. :i'>8; ('uvier 



Rt'Sno Aninnil, ir, 1817, p. 79; Merreni, Sysl. AniphiVi., 1820, it. l.'tli; Hoii', ImIm, 



1827, p. r)t)2 ; Sciileyel, E.ssai, ii, 18:57 p. r)t)9, l-xcIus. homon. t'. Icryiniiuus Say; 



Dnmdril, IJibrou, Erp. Gen., vii, 1854, p. 1177. 

 Caiidisoiia milioria VHz'myacv, Ncnc Chiss., 182(5, p. O:?; Waj^lcr, Nat. S\.st. Amph., l-^:tO, 



p. 17(1; Gray, Zool. Mist-., 1812, p. 51; Fitzinjicr, Syst. Kept., l.'-ia. p. 29. 

 Icones. Catesby, Hist. Car., ii, t. xi.ii. IJunnatiTiv, ()iiiii()I();;ic, t. i, f. i, SrhU';;fl; 



Essai, t. XV, f. 17, 18. Holbruiik, N. Amer. Uerii., iii, t. iv, Dum., Bibr., Erp. 

 Gen., Lxxxiv bis. f. 5. l^ S. Tac. Ii. K. 

 Surv. Kept., x, Keptiles, t. xxiv, f. 

 Austroriparian Kegion. 



Crotalophorus catenatus Kalinosqne. 



Crotalinus cuUnains Raf., American Moutlily Magazine, iv, 1^18, ji. II, teste Garm.in 

 Mem. Mns. Comp. Zool., Cambr., viii, :!, p. 118. 



Two geographical races or subspecies of tlx' catoiatus have been 



described. They diller as follows : 



Scales in twonty-tiiroo rows;, colors italer; dorsal spots narrowor; hileral sjnit-s 



smaller C". <•. ainiirtl»ii. 



Scales in tweuty-live rows; colors darker ; dorsal spots wider; lateral spois larger 



r. f. catcnatiiit. 



Crotalophoru.9 catenatus edwardsii Hd. and (Jird. 



CrolaJophoruK eduanhii Bd. and (iird., Cat., 1853, p. 15; DnnnTil. Bibron, Krp. Gt-n.. 

 VII, l.-.Vj, 14 ; Baird, V. S. and Mex. Bound. Surv., IS'.l, p. 15. 



Cdiiilinotid aluardsii Cope Clierk List Batr. IJept. N. Amer.. 1-75, M. 



Ciotalitu miliiinix Jan. Icon. Gen. Olid., II, It's ill, tig. t>. 



Icones. U. S. Pac. R. R. Expl. Rept., X, KeptJJes, tab. xxiv, f. ^, (loreal plate incor- 

 rect); U. S. and Mex. Bound. Snrv., t. v. f. 1. 



Crotalophorus catenatus catenatus h'al. 



Crolaliuus cainiatua Raf., Amer. Month. Magaz., iv, 1-1-. p. 41. 



/Sistriints catenatus Garman, Mem. M>is. Com].. Zool., Candir., vill, 3, p. IIH. 



Crolalus tcrficmuius Say, Long's Expeil. Rocky Mts.. i, 1SJ3, p. I'.»9 : Boio, Isis, 1>J4, p. 



270; Hailan, .Jonrn. Acad. Nat. Sei.. v. 1-27. p. 372; Boic. Ms, i^il , p. .^.f.3 ; 



Dumeril, Bibron. vii, 1-.54, 1479. 

 Crotalnphont^ tergimbtHii Gvixy, Synops. Rept.. tSln, p. 7-; Holl.rook. .\. Amer.. 



Herp., Ill, 1842, p. 29; Gray, Cat. Brit. Mus., 1849, p. 1- B.i..! ;,nd Cirard. 



Catal., 1653, p. 14. 



