492 PROCYON. 



Genl. Char. t 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., xn, i! 



p. 17. 

 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 vertebne, 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; bullae 

 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 





