nAPLODONTID^— SYNONYMY OP HAPLODON RUFUS. 



557 



we should rather write HaploiJdus, Haplodus, or Haploudus ; but the form of 

 iSov?, in which the stein odovr- is preserved, is so firmly established by 

 precedent and custom, that it would be finical to insist upon the purer 

 orthography. 



HAPI-ODON RUFUS, (Raf.) Coues 

 The Sewellel. 



Stmllel,' Lewis & Clares, Trav. lat Am. od. in 2 vols. 8vo, ti, 1814, 176 (Isl EngliBh ed. in 1 vol. 4to, 

 1814, 470; 2d EngliBb ed. in 3 vols. 8vo, 181.5, iii, 39). (Original description.)— CouES, Bull. 

 U. S. Geol. & Oeogr. Snrv. Terr. 8d ser. no. 6, 1876, 437. 



^HiMtiyx n^fa, Rafinesque, Amer. Month. Hag. ii, 1817, 45 (aotnally baaed entirely npon the Sewellol ot 

 Lewis and Clarke).— Dbsh., Mamm. ii, 1822, 330.— Less. Man. 1827, 240, no. 647. 



Aretomyt nfa, Haiu.aii, Fn. Amer. 1825, 308.-18. Obofpr., " Diet Claaeiqae, z, p. 186 ".— GRiFFint, 

 An. Kingd. V, 1827, 245, no. 636 (compiled). 



Aplodontia Uporina, BicnAKOSON, Zo51. Jonrn. iv, 1829, 335, no. 15.— Richardson, Fn. Bor.-Amer. i, 1829, 

 211, pi. zviii C, figs. 7-14 (sknll).— SciiiNZ, Syn. Mamm. .i, 1.340, 138 (description, &o.).— 

 Pealr, Ham. & Birds U. 8. Expl. Exped. 1848, 66, 'pi. av", fig. on p. 57 (sknll).- Auuubon 

 &. Bacbman, Qnad. N. Amer. ill, 1853, 99, pi. cxxiii (animal). (Description and acconnt of 

 habits, mostly fVom Lewis and Clarke, and from Richardson.)— Newberry, Poc. R. R. Rep. vi, 

 1857, Zoology, 58 (habits, &o.).— Baird, Mamm. N. Amer. 1857, 353, pi. xx, flgs. 4 a-d (details 

 of external form), and pi. xlix, figs. 2a-« (sknll and teeth). — Cooper, Pacific R. R. Rap. 

 xii, pt. ii, 1860, 82 (bobits).-8ucKLRY, Poc. R. R. Rep. xii, pt. ii, 1860, lOO (habits, &c.).— 

 8CCKLBY &. OiBBS, Pac. R. R. Rep. xii, pt ii, 1860, 124 (description, habits, &c.). 



AplnSontia hpoHna, Fischer, Syn. Mamm. 1829, 598 (" 398 " by error of pagination). 



JptuodoKiia leporiim, Rich., Sixth Ann. Rop. Brit. Assoc, for 18.16, 1837, 157. 



Haplodon Iqforinum, Waonbr, " Zool. Jonrn. 1829, — ". 



IlapMon /«i)ori»iM, Waoleh, " Syst. Amphib. 1830, — ".—Wagner, "Sappl. Schr&b. iii, 1843,396".— 

 OlEDEL, SSag. 1855, 527. 



(f) Haplodon liKioriniM var. caUfbrniout, Peters, Monatsb. Akad. Berlin, 17. MSrz 1864, 179 ("Qoblrgen 

 Califomiens "). 



Chaes. — About as large as a Muskrat. Length, a foot (more or less) ; 

 head, 3.00 inches; tail-vertebrae, 1.00; tail with hairs about half as much 

 again; fore foot, 1.7fi; hind foot, 2.10; longest fore claw, 0.50-0.60, Color 

 brownish, mixed with more or less black, lighter and more grayish below ; 

 basal portions of the pelage mostly plumbeous. Whiskers, claws, and upper 

 surface of foot colorless, or nearly so ; incisors yellow. 



Habitat. — Washington and Oregon Territories from the Rocky Mount- 

 ains to the Pacific ; upper portions of California, and probably also southern 

 portions of British Columbia. 



A. — DESCRIPTION OF EXTERNAL CHABACTEB8. 



The Sewellel approaches the Maskrnt in size; and in some superficial 

 aspects is not very dissimilar to that well known animal. The general form 

 is stout and clumsy ; the body is of large calibre in comparison with its 

 length ; the trunk is nearly cylindrical, broadly rounded ofi!* behind, in front 



* See beyond in this memoir for other forms o( this Indian word, and its moaning. 



