_Marginal records_ (Nelson, 1909:228, unless otherwise noted).--New Mexico: [12 mi. N] Tularosa. Texas: Kent; Haymond; Langtry. Durango (Nelson, 1909:229): Inde; Rancho Bailon; Rio Campo. Arizona: San Bernardino Ranch. New Mexico: Red Rock; _Lordsburg_.

SYLVILAGUS AUDUBONII NEOMEXICa.n.u.s Nelson.

1907. _Sylvilagus auduboni neomexica.n.u.s_ Nelson, Proc. Biol. Soc.

Washington, 20:83, July 22, type from Fort Sumner, Guadalupe County, New Mexico.

_Marginal records._--Kansas: 1 mi. E Coolidge (12976 KU); Rezeau Ranch, 5 mi. N Belvidere (13208 KU). Texas: Wichita Falls (Nelson, 1909:236); San Angelo (_ibid._); Adam [=15 mi. E Adams] (Nelson, 1909:236); 28 mi. S Alpine (Borell and Bryant, 1942:39); _15 mi. S Alpine_, (Hall and Kelson, 1951:57); 7 mi. NE Marfa (Blair, 1940:34); Toyahvale [= 10 mi. S of] (Nelson, 1909:236); McKittrick Canyon (Davis and Robertson, 1944:271). New Mexico: Roswell (V.

Bailey, 1932:54); Emory Peak (_ibid._).

SYLVILAGUS AUDUBONII PARVULUS (J. A. Allen).

1904. _Lepus_ (_Sylvilagus_) _parvulus_ J. A. Allen, Bull. Amer.

Mus. Nat. Hist., 20:34, February 29, type from Apam, Hidalgo.

1909. _Sylvilagus auduboni parvulus_, Nelson, N. Amer. Fauna, 29:236, August 31.

_Marginal records_ (Nelson, 1909:237, unless otherwise noted).--Texas: Llano; San Diego; Rio Grande City. Tamaulipas: El Mulato (Dice, 1937:256); Miquihuana. San Luis Potosi: Rio Verde.

Veracruz: Perote. Puebla: Chalchicomula. Guanajuato: Silao. Durango: Durango City. Coahuila: Monclova. Texas: Comstock.

SYLVILAGUS AUDUBONII SANCTIDIEGI (Miller).

1899. _Lepus florida.n.u.s sanctidiegi_ Miller, Proc. Acad. Nat. Sci.

Philadelphia, 51:389, October 5, type from Mexican Boundary Monument No. 258, sh.o.r.e of Pacific Ocean, San Diego County, California.

1909. _Sylvilagus auduboni sanctidiegi_, Nelson, N. Amer. Fauna, 29:218, August 31.

_Marginal records._--California (Orr, 1940:122): Sespe; Reche Canyon near Colton; San Felipe Canyon. Baja California (Nelson, 1909:220): Nachoguero Valley; Santo Tomas, thence northerly along coast.

SYLVILAGUS AUDUBONII VALLICOLA Nelson.

1907. _Sylvilagus auduboni vallicola_ Nelson, Proc. Biol. Soc.

Washington, 20:82, July 22, type from San Emigdio Ranch, Kern County, California.

_Marginal records_ (Orr, 1940:118, unless otherwise noted).--California: Fresno Flat (Nelson, 1909:218); Badger (_ibid._); 2750 ft., Onyx; Tehachapi (Nelson, 1909:218); Mt. Pinos (Orr, 1940:119), northwesterly, seldom actually reaching coast, to central Monterey County thence easterly to point of beginning.

SYLVILAGUS AUDUBONII WARRENI Nelson.

1907. _Sylvilagus auduboni warreni_ Nelson, Proc. Biol. Soc.

Washington, 20:83, July 22, type from Coventry, Montrose County, Colorado.

_Marginal records._--Utah: 5250 ft., Willow Creek (Durrant, MS).

Colorado (Nelson, 1909:232): Rifle; Villa Grove; Medano Ranch. New Mexico: Hondo Canyon (Nelson, 1909:232); Cieneguilla (_ibid._); Juan Tafoya (Bailey, 1932:59). Arizona (Nelson, 1909:232): Holbrook; Winslow. Utah: Canesville (_sic_) (Nelson, 1909:232); Wellington (Durrant, MS).

=Sylvilagus aquaticus=

Swamp Rabbit

Total length, 530-540; tail, 67-71; hind foot, 105-110; length of ear from notch (dry), 63-67. Upper parts blackish brown or reddish brown; underparts with some white; under side of tail white; skull robust; posterior extensions of supraorbital processes joined for their entire length with side of braincase or, in some specimens, with a small foramen between the braincase and the base of the posterior extension of the supraorbital process. This big rabbit is a stronger runner than the smaller marsh rabbit and is easily distinguished from the smaller species by larger size and white, instead of brownish or grayish, underside of the tail.

SYLVILAGUS AQUATICUS AQUATICUS (Bachman).

1837. _Lepus aquaticus_ Bachman, Jour. Acad. Nat. Sci. Philadelphia, 7:319, type locality western Alabama.

1909. _Sylvilagus aquaticus_, Nelson, N. Amer. Fauna, 29:270, August 31.

1895. _Lepus aquaticus att.w.a.teri_ J. A. Allen, Bull. Amer. Mus. Nat.

Hist., 7:327, November 8, type from Medina River, 18 mi. S San Antonio, Bexar County, Texas.

1899. _Lepus telmalemonus_ Elliot, Field Columb. Mus., publ. 38, zool. ser., 1:285, May 25, type from Was.h.i.ta River, near Dougherty, Murray County, Oklahoma.

_Marginal records._--Illinois: 6 mi. N Sesser (c.o.c.krum, 1949:427).

Indiana: Point Township (Harrison and Hickie, 1931:319). Tennessee: 5 mi. W Hornbeak (Kellogg, 1939:292); Henryville (A. H. Howell, 1909:63). Alabama: Huntsville (Nelson, 1909:273); Big Crow Creek near Stevenson (A. H. Howell, 1921:71). South Carolina: "about" 3 mi. SE Westminster (F. Sherman, 1939:259); "about" 5 mi. W Iva (_ibid._). Georgia: Fulton County (_ibid._); Lumpkin (Nelson, 1909:273). Alabama: Castleberry (_ibid._). Louisiana: Covington (Lowery, 1936:32); Kleinpeter (_ibid._). Texas (Nelson, 1909:273): Sourlake; Richmond; Medina River, 18 mi. SW San Antonio; Gurley.

Oklahoma: 7 mi. NW Stillwater (Blair, 1939:129). Kansas: Crawford County (8826 KU). Arkansas: along White River near Springdale (Black, 1936:34). Missouri: 3 mi. SW Udall (Leopold and Hall, 1945:145). Arkansas: White River near Augusta (Dellinger and Black, 1940:190). Missouri: St. Francis River, W of Senath (Nelson, 1909:273).

[Ill.u.s.tration: FIG. 42. Distribution of _Sylvilagus pal.u.s.tris_ and _Sylvilagus aquaticus_.

1. _S. p. pal.u.s.tris_ 2. _S. p. paludicola_ 3. _S. a. aquaticus_ 4. _S. a. littoralis_ ]

SYLVILAGUS AQUATICUS LITTORALIS Nelson.

1909. _Sylvilagus aquaticus littoralis_ Nelson, N. Amer. Fauna, 29:273, August 31, type from Houma, Terrebonne Parish, Louisiana.

_Range._--Swamps and marshes along Gulf Coast, wholly within Lower Austral Life-zone, below 50 ft., from Mobile Bay west to Matagordo Bay. Inland _Marginal records_.--Alabama: Blakely Island opposite Mobile (A. H. Howell, 1921:73). Mississippi: Bay St. Louis (Nelson, 1909:275). Louisiana: Rayne (Lowery, 1936:32); Hackberry (Nelson, 1909:275). Texas: Matagorda (Nelson, 1909:275).

=Sylvilagus insonus= (Nelson)

Omilteme Cottontail

(See figure 39)

1904. _Lepus insonus_ Nelson, Proc. Biol. Soc. Washington, 17:103, May 18, type from Omilteme, Guerrero. Known from type locality only.

1909. _Sylvilagus insonus_, Lyon and Osgood, Bull. U. S. Nat. Mus., 62:34, January 28 (see Hershkovitz, Proc. U. S. Nat. Mus., 100:335, May 26, 1950, for allocation of _S. insonus_ to subgenus _Sylvilagus_ instead of to subgenus _Tapeti_).

Total length, 435; tail, 42.5; hind foot, 95; ear from notch (dry), 61.

Color grayish brown above and dingy (not white) below; tail dingy buffy below and dull rusty brown above. The collectors thought that the species was restricted to the forested parts of the Sierra Madre del Sur between 7000 and 10,000 feet alt.i.tude in the Mexican state of Guerrero.

[Ill.u.s.tration: FIG. 43. Distribution of _Sylvilagus cunicularius_ and _Sylvilagus graysoni_.

1. _Sylvilagus cunicularius insolitas_ 2. _Sylvilagus cunicularius pacificus_ 3. _Sylvilagus cunicularius cunicularius_ 4. _Sylvilagus graysoni_ ]

=Sylvilagus cunicularius=

Mexican Cottontail