Bulletin of the American Museum of Natural History Volume 12

Bulletin of the American Museum of Natural History Volume 12

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1900 edition. Excerpt: ...slightly outward, the distance between their outer borders about 2' mm. They are separated by a deep groove _which is especially conspicuous when the muzzle is viewed from above and behind. Lips broad and ample, both upper and lower noticeably glandular-swollen. Middle of upper lip with a large wart, deeply cleft from behind. When mouth is closed this wart fits between the swollen margins of the well developed groove at extremity of lower lip. Inner surface of both upper and lower lips marked with fine transverse wrinkles. l'.'ar.r.---T'he ears are large and broad, only slightly narrowed toward tip. Their anterior bases are about 2 mm apart, and about 3 mm above eye. Anterior border straight from base to middle, where there is a faint convexity; then straight to narrowly rounded off tip. Posterior border straight from tip to middle, then moderately convex to shallow notch opposite posterior base of tragus. Below this notch is the short, narrow, evenly convex antitragus, which terminates 3 mm behind angle of mouth. Inner surface of conch without cross striations. Tragus straight, the tip rounded; width at base a little less than half height. Anterior border straight except for a very slight concavity immediately above base. Posterior border slightly concave to broadest point, opposite anterior base, this point marked by a slight projection; then straight to posterior base. The outline of the tragus is entire throughout. Feet.---The foot is slender and weak, less than half as long as tibia. Toes scarcely longer than metatarsus, wholly destitute of basal membrane. First and fifth digits equal and slightly shorter than the others. Calcar slender, slightly shorter than tibia, terminating rather indistinctly. Tail.--Tail short, about as...show more

Product details

  • Paperback | 88 pages
  • 189 x 246 x 5mm | 172g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236758188
  • 9781236758187