492 PROCYON. 
Genl. Char. Size large; tail tapering, and the black rings only 
half as wide as the rusty whitish interspaces; hind feet exceeding four 
inches, above dark brown. 
Color. Similar to P. lotor, but black tail rings narrow, and size 
generally larger. 
Measurements. Total length, 533; tail, 143; ear, 35; hind foot, 
112; fore foot, 60. Skull: occipito-nasal length, too; Hensel, 98; 
zygomatic breadth, 67.5; interorbital width, 30; posterior margin of 
palate to alveoli of incisors, 65; mastoid breadth, 55; length of man- 
dible, 80; height at condyle, 17. 
lotor insularis (Procyon), Merr., Proc. Biol. Soc. Wash., x11, 1898, 
pew: 
IsLAND Raccoon. 
Type locality. Maria Madre Island, Tres Marias Islands, State of 
Jalisco, Mexico. 
Geogr. Distr. Tres Marias Islands, State of Jalisco, Mexico. 
Genl. Char. Similar to P. lotor; pterygoids truncate anteriorly. 
Color. Like P. lotor, but paler; top of head grayer. 
Measurements. Total length, 854; tail vertebre, 286; hind 
foot, 132. 
A. Euprocyon Gra | 
Superior surface of skull flat, declining gradually from lambdoidal 
suture to nasals, and rather abruptly at occipital region; braincase 
broad, swollen, and rounded on sides; roots of upper canines pro- 
ducing considerable swelling in malar; palate long and hard, post- 
palatal length short; interpterygoid fossa short and broad; bulle 
large, placed slightly oblique, longer than wide, high; teeth very 
large; tail rather long, slender. 
486. cancrivorus (Ursus), Cuv., Tabl. Elem. Hist. Nat., 1798, p. 113. 
CRAB-EATING RACCOON. 
Type locality. Cayenne, French Guiana. 
Geogr. Distr. Tres Marias Islands, State of Jalisco, Mexico 
(Alston), Panama; Northern South America. 
Genl. Char. Tail slender, not bushy; teeth large; fur thick, short. 
Color. Space around eye and top of nose black; rest of head yel- 
lowish gray, lined with black; dorsal region yellowish brown lined 
with black, and hairs in center of back tipped with whitish, giving a 
grayish sheen to this part; shoulders, sides, and thighs clear buffy 
brown, grading into the yellowish white of the under parts; chin 
brownish black; legs sparsely haired, brownish black; feet brownish 
