1179 
have the carotid foramen about equally distant from for. lac. med. and for. 
lac. post., or nearer the latter; molars cuspidate when newly cut; pm.l 
present. Tail not prehensile. No ventral glands. Anal glands retained in 
Bassariscus, Procyon and Nasua, unrecorded in Bassaricyon. See #558. 
#558 (565) . Mesopterygoid fossa short, separated from molars by a long posterior 
palate; molars with subequal conical comparatively blunt cusps; canines 
grooved, mutually sharpened. Bursa absent or reduced, its anterior flap at 
most very low and not excised. Metatarsus naked beneath. See #559. 
#559 (562). Muzzle short, not compressed above; preorbital foramen close to 
anterior rim of orbit, which is above pm.3 or pm,4; inferior edge of anterior 
nares normally formed; canines only moderately sharp in front; posterior 
root of zygoma not abnormally expanded; typically no supplementary fora- 
men on inner side of bulla between carotid and foramen lacerum posticum; 
upper edge of rhinarium not produced, its anterior surface convex, with 
normal nostrils and wide septum. See #560. 
#560 (560a 62). prqcyoninae Gill, 1872a, 6, 67. — Raccoons. Mastoid large, 
larger than paroccipital and projecting far beyond auditory orifice; carotid 
foramen behind middle of bulla; foramen ovale not behind tip of hamular; 
ridges invading lower surface of posterior palate. Claws longer, blunter, 
and less curved; digits entirely free from webbing. Snout produced, upper 
lip undivided, no philtrum. Two normal anal glands. Bursa absent. See 
#561. 
#561. *Procyon63 gtorr, 1780, Prodr. Meth. Mamm., 35-36, tab. A, tsd. (1891; 
1904; 1912; 1915; 1924) Ursus ^ lotor Linn. — Raccoons, raton, raton laveur, 
Waschbar. Teeth 40; molars broad and tuberculated; upper carnassial 
with 3 cusps along the outer margin, and a very broad bicuspid inner 
tubercle, giving an almost quadrate form to the crown; lower carnassial with 
an extremely small and ill-defined blade, placed transversely in front, and 
a large inner cusp and hind talon; first molar with a large tuberculated crown, 
rather broader than long; second molar as long as first, but narrower behind, 
with 5 obtuse cusps. Body stout. Head broad behind, but with pointed 
muzzle. Feet plantigrade, but in walking the entire sole is not applied to 
the ground as it is when the animal is standing; toes, especially of the fore 
^ foot, very free, and capable of being spread wide apart; claws compressed, 
■ curved, pointed, and nonretractile. Tail moderately long, cylindrical, 
thickly covered with hair, annulated, nonprehensile. Fur long, thick, soft. 
Alaska to Central America. 
#561 Procyon [or Urva'] (Euprocyon^) cancrivora (Cuv., 1798, Tabl. Element., 
Paris, 113 [Ursus •]) Illiger, 1815, Abh. ph.-Kl. K. pr. Ak. Wiss. (1804r-1811), 
109. Crab-eating raccoon, Aguara, Guassini, Krabbenwaschbar, Krebs- 
fresser. Cayenne, French Guiana *; ranges north to Central America. 
82 #560a (560). bassaricyoninae Pocock, 1921, Proc. Zool. Soc. London, 422.— Mastoid small, not bigger 
than paroccipital and hardly surpassing auditory orifice; carotid foramen not behind middle of bulla; fora- 
men ovale well behind tip of hamular; ridges of posterior palate marginal. Claws short, sharp, much 
curved; digits webbed for two-thirds of their length. Snout not produced; upper lip divided by wide phil- 
trum. Bursa retained and marginal. Contains Bassaricyon. 
63 Syns.: Campsiurus° Link, 1795. Beytr. Nat., v. 1 (2), 52, 87, tsd. (1916) 1st sp. loior Linn.; 
Euprocyon » Gray, 1864, Proc. Zool. Soc. London, no. 45, 705-706, mt. cancrivora Cuv.; 
Loter Oken, 1816, Lehrb. Naturg., 3 th., 2 Abth., 1080; 
Lotor Geoffr. & Cuv., 1795, Mag. encycl., v. 2 (6), 187, tat. lotor; 
Prochyon°» Swainson, 1835, Nat, Hist. Class. Quadr., 364. 
