ROMAN & KEENE'S. For Walks, Cisterns, Foundations, Stables, Cellars, Bridges, Reservoirs, Breweries, etc. Remit 10 cents for Practical Treatise on Cements. S. L. MERCHANT & CO., 53 Broadway, New York. ---------------------------------------------------------------------- [Illustration] =NORTH'S UNIVERSAL LATHE DOG. S. G. NORTH 347 North 4th Street, Philadelphia, Pa.= ---------------------------------------------------------------------- =MACHINISTS' TOOLS.= NEW AND IMPROVED PATTERNS. Send for new illustrated catalogue. Lathes, Planers, Drills, &c. =NEW HAVEN MANUFACTURING CO., New Haven, Conn.= ---------------------------------------------------------------------- POINTS OF A GOOD HORSE. BEING the Report of the Committee appointed by the New England Agricultural Society to decide upon Rules for Guidance of Judges of Horses. The Points of Excellence. Size, Color, Symmetry of Body, Head and Neck, Eye and Ear, Feet and Limbs, fully described. Speed at the Trot, and in Walking, Style and Action, etc., with the percentage allowed for each quality. The Standard Size and Speed for Matched Carriage Horses, Gents' Driving Horses, Family Horses, Park or Phæton Horses, etc. An excellent Guide in selecting animals. Contained in SCIENTIFIC AMERICAN SUPPLEMENT NO. =103=, price 10 cents. To be had at this office and of all newsdealers. ---------------------------------------------------------------------- [Illustration] ="THE EAGLE CLAW."= The best Trap in the World for catching FISH, ANIMALS & GAME. [Illustration] One bait will catch =Twenty Fish=. No. 1, for ordinary fishing, small game, &c. 35c. No. 2, for large fish, mink, musk-rats, &c. 75c. Sent by mail. =J. BRIDE & CO.,= Mfrs., 297 Broadway, New-York.