[154] Procyonidæ.
[155] The dental formula is—Incisors, 3–33–3; canines, 1–11–1; premolars, 4–44–4; molars, 2–22–2 = 40.
[156] Procyon lotor.
[157] Nasua narica.
[158] Cercoleptes caudivolvulus.
[159] Bassaris astuta.
[160] Ailuridæ.
[161] Ailurus fulgens.
[162] Mustelidæ.
[163] “Fur-bearing Animals: a Monograph of North American Mustelidæ.”