_Marginal records._--Honduras: San Pedro Sula (Nelson, 1909:261); to Gulf Coast and southward along coast to Panamá Canal, Panamá: Gatun (Goldman, 1920:146); Corozal (_ibid._); Gobernador Island (_ibid._); Divala (_ibid._); _Chiriquí_ (Goodwin, 1946:358). Northward east of the range of _S. b. dicei_, thence westward in Costa Rica: Vijaqual, San Carlos (Goodwin, 1946:358). Nicaragua: Matagalpa (Allen, 1910:96); Ocotal (_ibid._). Honduras: San José, Santa Barbara (Goodwin, 1942:151). SYLVILAGUS BRASILIENSIS INCITATUS (Bangs). 1901. _Lepus_ (_Tapeti_) _incitatus_ Bangs, Amer. Nat., 35:633, August, type from San Miguel Island, Bay of Panamá. Known from type locality only. 1950. _Sylvilagus brasiliensis incitatus_, Hershkovitz, Proc. U. S. Nat. Mus., 100:352, May 26. SYLVILAGUS BRASILIENSIS MESSORIUS Goldman. 1912. _Sylvilagus gabbi messorius_ Goldman, Smiths. Misc. Coll. 60 (no. 2):13, September 20, type from Cana, 1800 ft., mts. of eastern Panamá. 1950. _Sylvilagus brasiliensis messorius_, Hershkovitz, Proc. U. S. Nat. Mus., 100:352, May 26. _Marginal records._--Panamá (Goldman, 1920:147): Boca de Cupe; _Tacarcuna_; _Tapalisa_; type locality. SYLVILAGUS BRASILIENSIS TRUEI (J. A. Allen). 1890. _Lepus truei_ J. A. Allen, Bull. Amer. Mus. Nat. Hist., 3:192, December 10, type from Mirador, Veracruz. 1950. _Sylvilagus brasiliensis truei_, Hershkovitz, Proc. U. S. Nat. Mus., 100:351, May 26. _Marginal records_ (Nelson, 1909:264, unless otherwise noted).--San Luis Potosí: Rancho Apetsco, Xilitla (Dalquest, 1950:4), thence down coast to Tabasco: Teapa. Chiapas: Huehuetan. Oaxaca: Santo Domingo. Veracruz: Buena Vista; Motzorongo. Puebla: Metlaltoyuca. =Sylvilagus bachmani= Brush Rabbit Size small. Total length, 300-375; tail, 20-43; hind foot, 64-81; ear from notch (dry), 50-64; weight (topotypes of _S. b. macrorhinus_) 16 ♂ 679 (561-832), 22 ♀ 707 (517-843) grams. Body uniformly dark brown or brownish gray, but tail whitish beneath; hair on midventral part of body gray at base; only a slight crenulation of ridge of enamel which separates an individual molariform tooth into anterior and posterior sections. From _Sylvilagus audubonii_, the only other species of _Sylvilagus_ in the same geographic area, _S. bachmani_ differs in smaller size, less white on underparts (the hairs on the midventral part of the body being gray instead of white at base), shorter ears and legs, and a less crenulated ridge of enamel separating the anterior and posterior parts of a molariform tooth.