406 REPORT OF NATIONAL MUSEUM, 1893. 



The Watkk Moccasin. 



Agkiatrodon piscivorus * (Lac^p&de). 

 Plate 4. 



1789.— Cro/rt/H8 piscivorua, LACliPi>.DE, Hist. Nat. Scrp., Ii, Tahle M^th., p. 130. — 

 Sci/tale pisi'ivora, Lathkiixk, Hist. Nat. Kept., iii, p. 103 (1802). — Scjitule 

 piscivoriiii, Daudin, Hist. Nat. Kept., V, j). 344 (1803). — j\utrijc pitiviiorus, 

 Mkkkem, Teiitauieii, p. 131 (1820). — Triffonocephul >is jyiscivoriix, Hoi.uKooK, 

 N. Am. Heipet., 1 eil., ii, p. 03 (1838). — Holbhook, N. Aiu. Herpet., 2 

 ed., Ill, p. 33 (1842).— De Kay, Zool. N. Y.,iii,p. 55 (1842).— Le Cunte, 

 South. Med. Surg. Jouru., ix, 1853, pp. 651, 664. — Dumekil et BiuRON, 

 Erp^t. G<^n^r., vii, ii, p. 1491 (1854).— Jan, Rev. Mag. Zool., 1859, extr. 

 p. 29. — Jan, Eleuc Sist. Ofid., p. 125 (1863). — Cenvhris piscivorun, Gray, 

 Zool. Misc., p. 51 (1841).— Gkay, C:it. Snakes Brit. Mus., p. 16 (1849).— 

 Effei.dt, Zool. Garten, xv, 1874 (p. 1). — Toxicophis jnscirorits, BAlKDand 

 GiRAUD, N. Am. Serp., p. 19 (1853).— Baird, Pac. R. R. Rep., x, Whipple's 

 Route, Rept., p. 40 (1859).— Smith, Rep. Geol. Snrv. Ohio, iv, p. 676 

 (1^82). —Ancistrodon jj/scfcorHs, CoPE, Proc. Phila. Acad., 1859, p. 336. — 

 Coi'E, Proe. Am. Philos. Soc, 1877, p. 64.— Cope, Bull. U. S. Nat. Mus., No. 

 17, p. 24.— Cope, Proc. U. S. Nat. Mus., xi, 1888, p. 393.— Cope, Proc. U. 

 S. Nat. Mus., xiv, 1891, p. 683 (1892).— Coues and Yarrow, Proc. Phila. 

 Acad.,1878, p. 26.— True, iu Hammond's Soiitli Carolina, p. 235 (1883).— 

 Garman, Rept. Batr. N. Am., i,pp. 121, 178 (1883).— Garman, Bull. Essex 

 lust., XXIV, p. 4 (1892). — BoETTGER, iu Brehm's Thierleben, 3 ed., vii, p. 

 469 (1892).— H. Garman, Bull. 111. State Lab. Nat. Hist., ill, p. 315 

 (1892). — Agkistrodon piseivorits, Jordan, Man. Vert. North. U. S.,5 ed., p. 

 199(1888).— H. Garman, Bull. 111. StateLab. Nat. Hist., in, p. 187 (1890).— 

 H. Garman, Bull. Essex Inst., xxvi, p. 36 (1894).— Hay, Proc. U. S. Nat. 

 Mu8.,xv, 1892, p.386.— Hay, Batr. Rept. Indiana, p. 184 (1893).— Lcenn- 

 BERG, Proc. U. S. Nat. Mus., x\ ii, 1894, p. 336. 



1802. — Cohiher aqnaiicns, Shaw, Geu. Zool., in, p. 425. 



1829. — Trifionocephalus iisiphone, CuviER, Rcgne Anim., 2 ed., n (p. 89) (in part). 



1836. — Acoiitias lencostoma, Troost, Ann. N. Y. Lyceum Nat. Hist., in, p. 176. 



1853. — Toximphis piKjnax, B.\ird and Girard, N. Am. Serp., pp. 20, 156. — Hal- 

 LOWELL, Proc. Phila. Acad., 1856, p. 307. — Baird, Mex. Bound. Surv., ii, 

 Zool. Rept., p. 15 (1859). — Aucistrodon piignax, Cope, Proc. Phila. Acad., 

 1859, p. 336. 



1854. — Trigonocephalns atrofiiscus, Hallowell, in Sitgreave's Exp. Zuni and 

 Colo. Riv., p. 147 (not of Troost). 



1863. — Trigonocephalus piscivortis, var. pugnax Jan, Elenc. Sist. Otid., p. 125. — 

 Ancistrodon 2)isch-orua, snhsY). jtugnax, Cope, Bull. U. S. Nat. Mus. , No. 1, 

 p. 34.— Garman, Rept. Batr. N. Am., i, Ophid., p. 159 (1883). — Yarrow, 

 Bull. U. S. Nat. Mus., No. 24, pp. 12, 80 (1883). 



1875. — Anclstrodon piscivorus, subsp. piscivorus, Copk, Bull. U. S. Nat. Mus., No. 

 1, p. 34.— Yarrow, Bull. U. S. Nat. Mus., No. 24, pp. 12, 79 (1883).— 

 Davis and Rice, Bull. 111. State Lab. Nat. Hist., i. No. 5 (p. 28) (1883). 

 Davis and Rice, Bull. Chic. Acad. Sc, i, p. 28 (1883). 



Figures. — Troost, Ann. N. Y. Lye. Nat. Hist., in, 1836, pi. v. — Holbikxik, N. 

 Am. Herpet., 1 ed., ii, pi. xni (1838), 2 ed., in, pi. vii (1842). — Baird, Pac. 

 R. R. Rep., X, Rejit., pi. xxv, ligs. 13, 14 (1859). — Baird, Mex. Bound. Surv., 

 Zool. Rept., pi. VI (1859).— Jan,. Icon. Ophid., livr. 46, pi. iv (1874).— 

 BocouRT, Miss. Sc. Mex., in, Zool., Rept., livr. 8, pi. xxvn (1882).— Gar- 

 man, Rei)t. Batr. N. Am. i, Ophid., pi. viii, fig. 2 (1883).— Brehm's Thierleb., 

 3ed., VII, p. 470 (1892;. 



From the Latin piscivorus, at fish-eating. 



