APPENDIX. 745 
Measurements. Total length, 505; tail vertebre, 58; hind foot, 
113; ear from notch (dried skin), 78. Skull: occipito-nasal length, 
86; Hensel, 65; interorbital width, 19.5; parietal width, 26.5; length of 
nasals, 39; width of nasals at base, 16.5; width of nasals near tips, 13; 
width of rostrum above anterior base of molars, 19.5; greatest diam- 
eter of bulle, rz. 
436d. goldmani (Lepus), Nelson, Proc. Biol. Soc. Wash., XvII, 1904, 
Ps LO7- 
SINALOA COTTONTAIL. 
Type locality. Culiacan, State of Sinaloa, Mexico. 
Geogr. Distr. Southern part of the State of Sonora to central part 
of the State of Sinaloa. 
Genl. Char. Similar to L. arizone, but darker; bulle smaller. 
Color. Winter pelage. Upper parts creamy ochraceous buff, 
grizzled and washed with black; sides of head and body paler, pinkish 
buff; small iron gray area on rump; nape rusty rufous; neck on sides 
and beneath pinkish buff; rest of under parts white; front and sides of 
fore legs rusty ochraceous buff; back of fore legs white; sides and back 
of lower part of hind legs and feet rusty rufous; white line on front of 
hind legs and feet; tail above dark brown grizzled with buff; ears ex- 
teriorly grizzled grayish; interiorly dingy gray, tips bordered with 
black. 
Measurements. Total length, 388; tail vertebre, 56; hind foot, 
87; ear from notch (dried skin), 66. Skull: occipito-nasal length, 66; 
Hensel, 52; interorbital breadth, 17; parietal width, 24; length of 
nasals, 27; greatest diameter of bulle, rr. 
E. Macrotolagus. 
448a. altamirz (Lepus), Nelson, Proc. Biol. Soc. Wash., xvII, 1904, 
De FOO. 
ALTA Mira JACK RABBIT. 
Type locality. Alta Mira, State of Tamaulipas, Mexico. 
Geogr. Distr. Coast plains in southern part of the State of Ta- 
maulipas, extreme northern part of State of Vera Cruz and eastern 
part of State of San Luis Potosi. 
Genl. Char. Similar to L. merriam1, but nape patch divided by 
median yellowish band. Skull larger and heavier, rostrum longer. 
Color. Spring pelage. Top of head grizzled grayish buff; back 
grizzled creamy buff mottled with black; sides of body paler buff 
grizzled with grayish; thighs and sides of rump pale iron gray; sides of 
head and sides of under part of neck bright buff; nape black divided 
by median buff band; top of fore feet and legs dingy buff; top of hind 
