Field book of North American mammals 1928. North America Woods Hole Mammals Lepus arcticus Sylvilagus Lepus californicus Lepus americanus Lepus townsendii Lepus alleni Ochotona Sylvilagus palustris, A collection of illustrated species featuring various types of rabbits and hares. Each creature is portrayed in a distinct pose, highlighting their unique features. The Pika sits upright, showcasing its rounded ears and short limbs. The Cotton-tail Rabbit is depicted with its soft, fluffy body and large hind legs. The Varying Hare is shown in a crouched position, indicating its alertness. The Marsh Rabbit is illustrated with its slight build and darker fur, while the Black-tailed Jack Rabbit stands tall, emphasizing its long ears. The Arctic Hare, presented in a more subdued color palette, exudes a sense of calm, with its thick fur designed for cold environments. The Antelope Jack Rabbit is depicted