Ribs in Mammalia / by R.J. Anderson.

  • Anderson, Richard John, 1848-1914.
Date:
[1889?]
Catalogue details

Licence: Public Domain Mark

Credit: Ribs in Mammalia / by R.J. Anderson. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    1 1 ^ 2 ^ 4: c 0 b 7 Q O y ■ir» lU 11 12 lo A 60 70 90 100 110 120 130 140 If.O 145 135 115 105 — 7 7 10 15 20 30 45 — — — — — C 10 4 5 6 4 4 4 4 3,5 3 2 3 2,5 D 1 10 6 6 6 8 7 8 6 5 5 5 5 ^ o E ! 5 5 5 5 5 (5 <) 5 4 4 3 3 3 F 1 - 22 20 5 10 15 1 25 30 40 25 40 40 40 Auchenia Llama. The S'*^, 4''*, 5^^^ and G' ribs are convex from before back. The 7, 8, 9, 10 and 11' concave from before back in the lower thirds. The inner surfaces of the anterior ribs are concave fi-om above down and flat from before back. The posterior six ribs are convex from before back. First rib broad near lower and rounded greatest breadth 25 mm. Second has the tangential diameter greatest viz 30 mm. Third very broad = 35 mm. Fourth = 32 mm., 5' 30, Q>^^ 25 mm. although the 5*1^ is narrower than the fourth, the breadth is carried higher up. The foregoing show a thick central part. Camelus Dromedarius. The seventh, eighth, and ninth ribs — are more uniformly thick expecially at their lower ends than the ribs behind or in front of this point. Ribs. 1 2 3 4 5 6 7 8 9 10 11 12 Breadths lower ends. 1 '30 40 50 60 60 55 50 40 40 53 38 30 Broadest parts. 1 25 25 35 35 55 55 50 48 50 50 40 35 At the middle. f Breadth at angles, j 20 25 30 30 32 32 27 22 23 27 20 20 The 5^'^ rib is the thickest along the middle of its breadth. The anterior and posterior borders are sharp.