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, 100; 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, 
Deen7e 
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. 
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 locahty. 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 
