Quote from Upton’s Gleanings

Does anyone know which mare Major Upton is referring to in this section of his “Gleanings”, Chapter 4, “Visit to the Sabaah”? “Towards the close of a long and trying day, we made repeated offers for a bay mare, five years old and unblemished; she was a beautiful creature, just under fifteen hands in height, very bloodlike, but wildly excitable, glared at us like a tigress, and resented our approach even. Crowds gathered round as we frequently repeated our offer. The Shaykh indicated she was not to be taken away, and we thought we were on the eve of obtaining her, but suddenly, among the sound of many voices and loud talking, the mare was taken off by her owner. […]  It was Sulayman ibn Mirshid who put the halter rope in my hands; her price was told out on the table, exactly that which I had offered, and handed over to her former owner, and the mare was picketed at our tent. A very simple certificate of the mare’s breeding and family was written out at my request, in the presence of the two Shaykhs, to which they placed their seals, one as a guarantee, the other as a…