. Bulletin. Natural history; Natuurlijke historie. Fig. 3. Selected vertebrae and sacrum of Onychodectes tisonensis. a) Posterior view of right side of atlas, AMNH 3576a. b) Left lateral view of neural spine of anterior thoracic vertebra, AMNH 3576a. c) Dorsal view of posterior thoracic vertebra, AMNH 3576a. d) Dorsal view of posterior lumbar vertebra, AMNH 3404. e) Dorsal view of sacrum, AMNH ) Ventral view of sacrum, AMNH 16410. g) Left lateral view of sacrum, AMNH 16410. h) Dorsal view of anterior vertebra, AMNH 16528. i) Ventral view of anterior caudal vertebra, AMNH 16528. j) Dorsa
. Bulletin. Natural history; Natuurlijke historie. Fig. 3. Selected vertebrae and sacrum of Onychodectes tisonensis. a) Posterior view of right side of atlas, AMNH 3576a. b) Left lateral view of neural spine of anterior thoracic vertebra, AMNH 3576a. c) Dorsal view of posterior thoracic vertebra, AMNH 3576a. d) Dorsal view of posterior lumbar vertebra, AMNH 3404. e) Dorsal view of sacrum, AMNH ) Ventral view of sacrum, AMNH 16410. g) Left lateral view of sacrum, AMNH 16410. h) Dorsal view of anterior vertebra, AMNH 16528. i) Ventral view of anterior caudal vertebra, AMNH 16528. j) Dorsal view of posterior caudal vertebra, AMNH 16528. k) Left lateral view of chevron bone, AMNH 16528. /) Ventral view of chevron bone, AMNH 16528. Abbreviations: a = anapophysis; at = anterior transverse process; az = anterior zygapophysis; c = centrum (vertebrae); c = anterior central articular surface (sacrum); f = foramen; hp = hypapophysial prominence; hr = hypapophysial ridge (= ventral median ridge); 1 = lateral mass; m = metapophysis; p = articular facet for capitulum of rib; pt = posterior transverse process; pz = posterior zygapophysis; s = neural spine; t = transverse process; z = articular surface of the atlas. Scale below elements a and b is 1 cm long and is for elements a, b, k, I. Scale below element c is 1 cm long and is for element c. Scale below element e is 2 cm long and is for elements d-i. Scale below element j is 1 cm long and is for element j. the spine. There does not appear to be anything particularly distinctive about this scapula. Humerus The humerus, well preserved in AMNH 16410 (Fig. 4f-h; PI. 7: figs. 4, 5), is moderately long and slender. The head is of moderate size and the articular surface extends far distally on the posterior side (as noted by Matthew^ 1937, p. 244, and Wortman 1897b, p. 100). The bicipital groove is deep and both the greater and lesser tuberosities are well developed. The deltoid ridge is long, thin. Please note that these images
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