More on bones

EQUUS - - Letters -

I just re­cently ran across the in­ter­est­ing and in­for­ma­tive ar­ti­cle “Bones Speak Vol­umes” (Con­for­ma­tion In­sights, EQUUS 482), and I have an ob­ser­va­tion I would like to of­fer.

I am di­rec­tor emer­i­tus of the Span­ish Mus­tang Reg­istry, founded by Robert E. Bris­lawn and oth­ers. Bob, or Mr. Mus­tang, as I knew him, was very much in­ter­ested in bones, and he passed that in­ter­est to me. He was es­pe­cially in­ter­ested in the im­por­tance of the cannon bone and the lum­bar ver­te­brae, as Deb Bennett, PhD, also dis­cussed in great de­tail.

Bob clas­si­fied mus­tangs’ lum­bar ver­te­brae as hav­ing five, six, or five plus an­other (par­tial) piece of one. He was of the con­vic­tion of five be­ing the purest.

I have per­son­ally ex­am­ined the skele­tal re­mains of ap­prox­i­mately 20 Span­ish Mus­tangs. My ob­ser­va­tion was that if a Span­ish Mus­tang had five lum­bar ver­te­brae, it would also have 18 tho­racic ver­te­brae (or ribs). If it had five and a piece, there would be 17 ribs plus a par­tial rib, and if there are six lum­bar ver­te­brae, there would be 17 ribs. John J. Adams Var­daman, Mis­sis­sippi

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