TRANSCRIBER'S NOTE oe ligatures have been expanded. The footnote in Paragraph #35 on page 69 (the only one in the book) was moved to follow the paragraph from which it is referenced. Eight pages of advertisements that preceded the title page have been moved to the end of the book and placed before the two pages of advertisements that closed the book. Obvious typographical errors and punctuation errors have been corrected after careful comparison with other occurrences within the text and consultation of external sources. More detail can be found at the end of the book. [Illustration: THE HORSE'S MOUTH, SHOWING THE AGE BY THE TEETH.] THE HORSE'S MOUTH, SHOWING THE AGE BY THE TEETH. CONTAINING A FULL DESCRIPTION OF THE PERIODS WHEN THE TEETH ARE CUT; THE APPEARANCES THEY PRESENT; THE TRICKS TO WHICH THEY ARE EXPOSED; THE ECCENTRICITIES TO WHICH THEY ARE LIABLE; AND THE DISEASES TO WHICH THEY ARE SUBJECT. BY EDWARD MAYHEW, M. R. C. V. S. DEDICATED, BY PERMISSION, TO THE PRESIDENT AND COUNCIL OF The Royal College of Veterinary Surgeons, AND EMBELLISHED WITH NUMEROUS COLOURED ENGRAVINGS FROM DRAWINGS MADE EXPRESSLY FOR THE WORK, AND TAKEN FROM AUTHENTICATED MOUTHS; WITH THIRTY-TWO WOOD-CUTS, ILLUSTRATIVE OF THE LETTER-PRESS. FOURTH EDITION. LONDON: MESSRS. FORES, 41, PICCADILLY. TO THE PRESIDENT AND COUNCIL OF THE ROYAL COLLEGE OF VETERINARY SURGEONS, THIS WORK IS (BY PERMISSION) RESPECTFULLY DEDICATED, BY THEIR OBLIGED AND VERY OBEDIENT SERVANTS, THE PUBLISHERS. 41, _Piccadilly_. ILLUSTRATIONS. COLOURED ENGRAVINGS. Page. Frontispiece--The Head of a Horse with the teeth exposed Nine months old, and 2 years old 70 Three years old, and 3 years off 80 Rising 4 years, and 4 years old 82 Rising 5 years, and 5 years old 94 Five years off, and 6 years off 96 Seven years off, and 8 years off 104 Twelve years old, and 20 years old 112 Sixteen years old, and 30 years old 120 WOOD CUTS.