Outdoor management, [231].

Outlaw horses, [71], [87].

Paces, [186].

Pachynolophus, [ix.]

Pacific Ocean, [21], [22], [24].

Pack horses, [67], [122], [127], [146], [152], [182], [196].

Pack trails, [122], [124], [127].

Pad saddle, [208].

Pain, [90], [91].

Panic, [75].