406 REPORT OF NATIONAL MUSEUM, 1893. 



The Water Moccasin. 



Jykisirodon jyiscivorus " (Lac^p^de). 



Plate 4. 



l-S9.—CrotaIus jmcivorus, Lacepede, Hist. Nat. Serp., ii, Table U6th., p. 130.— 

 Sci/tale jmeivora, Latheille, Hist. Nat. Kept., ill, p. 163 (1802).— A'ci/toZe 

 piscivorus, Daudin, Hist. Nat. Kept., v, p. 344 {1S03) .—Natrix piscironis, 

 Merrem, Teutaiueii, p. 131 (1820).— TrUjoiioctphahts piseivorun, Holbrook, 

 N. Am. Herpet., 1 ed., ii, p. 63 (1838).— Holbrook, N. Am. Herpet., 2 

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

 South. Med. Surg. Journ.. ix, 1853, pp. 651, 664.— Dumeril et Bibron, 

 Erpet. GciK^r., vil, ii, p. 1491 (1854).— Jan, Rev. Mag. Zool., 1859, extr. 

 p. 29.— Jan, Eleuc Sist. Otid., p. 125 (1863).— CeHc/u-is piisciroruii, Gray, 

 Zool. Misc., p. 51 (1841).— Gray, Cat. Suakes Brit. Mus., p. 16 (1849).— 

 Effeldt, Zool. Garten, xv, 1874 (p. 1). — Toxicophis jnscivorus, BAiRDaud 

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

 Route, Rept., p. 40 (1859).- Smith, Rep. Geol. Surv. Ohio, iv, p. 676 

 (1SS2). —Ancisirodon jiiscivorus, Cope, Proc. Phila. Acad., 1859, p. 336.— 

 Cope, Proc. 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, in Hammond's South Carolina, p. 235 (1883).— 

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

 Inst., XXIV, p. 4 (1892). — Boettger, in Brehm's Thierleben, 3 ed., vii, p. 

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

 (1892).— Agkistrodoii piscivonis, Jordan, Man. Vert. North. U. S.,5 ed.,p. 

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

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

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

 BERG, Proc. U. S. Nat. Mus., xvii, 1894, p. 336. 

 . 1802. — Coluber aquations, Shaw, Gen. Zool., iii, p. 425. 



lS29.—Trigonocepha1us iisiphone, Cuvier, Regne Anini., 2 ed., ii (p. 89) (in part). 



1836.— Aconlias leucostoma, Troost, Ann. N. Y. Lyceum Nat. Hist., in, p. 176. 



ISoS.—Toxicophis pu(jtiax, Baird 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). — Ancistrodon pugnax, Cope, Proc. Phila. Acad., 

 1859, p. 336. 



ISri^.—Trigonocephalus airofuscus, Hallo well, in Sitgreave's Exp. Znni and 

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



1863. — Trigouocephalus j^iscivorus, var. pugnax Jan, Eleuc. Sist. Ofid., p. 125. — 

 Ancisirodon piscirorus, subsp.^Mf/nax, 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). 



\81o.— Ancisirodon piscirorus, subsp. piscirorus, Cope, 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.— Holbrook, N. 

 Am. Herpet., 1 ed., ii, pi. xiii (1838), 2 ed., iii, pi, vii (1842),— Baird, Pa--. 

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

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

 Bocoi-RT, Miss. Sc. Mex., in, Zool., Kei»t., livr. 8, pi. xxvii (1882),— Gar- 

 man, Rept, Batr, N. Am, i, Ophid., pi. vin, tig, 2 (1883).— Brehm's Tliierleb., 

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



* From the Latin jJiscivorus, at fi.sh-eatiug. 



