The Horse : its treatment in health and disease, with a complete guide to breeding, training and management . MICROSCOPIC STKUCTURH OF PLANTAR PADS, CHHSTNUTS, AND ERGOT FOSSIL ANCESTOES OF THE HORSE 509 the internal ear, called the Eustachian tube. The guttural pouches donot now appear to have any special function, and to the veterinary surgeonthey are a source of anxiety in many cases, as they are liable to becomediseased from the lodgment of foreign substances in them. Sometimesthey are the seats of purulent deposits, and now and then become dis-tended with air. Altogether, so far as the ho
The Horse : its treatment in health and disease, with a complete guide to breeding, training and management . MICROSCOPIC STKUCTURH OF PLANTAR PADS, CHHSTNUTS, AND ERGOT FOSSIL ANCESTOES OF THE HORSE 509 the internal ear, called the Eustachian tube. The guttural pouches donot now appear to have any special function, and to the veterinary surgeonthey are a source of anxiety in many cases, as they are liable to becomediseased from the lodgment of foreign substances in them. Sometimesthey are the seats of purulent deposits, and now and then become dis-tended with air. Altogether, so far as the horse of domestication is concerned, theymight apparently be dispensed with, notwithstanding their value as relicsof a long-past order of things. FOSSIL ANCESTORS OF THE HORSE The preceding remarks on the special characters of some portions of thehorses structure, and on the presence of organs and parts which have nowno obvious use or function, have cleared the way for a brief enquiry intothe evolution of the horse. Organs which are now gradually becomingrudimentary and useless must have once formed essent
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Keywords: ., bookcentury1900, bookdecade1900, bookidhorseit, booksubjecthorses
