ON THE CARE OF HORSES. BY PROF. PRITCHARD, R.V.S. Showing the Proper Construction of Stables. Best Floor. Lighting and Ventilation. Hay-racks. Watering and Feeding. Grooming and Exercise. Cracked Heels; Lice; Colic; Mud Fever; Wind Galls. Also, in same number, facts about improved Cow Stables. How to keep Cows clean and maintain Pure Air in Stables. Increased Cleanliness and Convenience with Less Labor. Contained in SCIENTIFIC AMERICAN SUPPLEMENT. No. 123. Price 10 cents. To be had at this office and of all newsdealers. MINING MACHINERY. ENGINES, BOILERS, PUMPS, Coal and Ore Jigs, Dust Burning Appliances. Drawings and advice free to customers. Jeanesville Iron Works (J. C. Haydon & Co.). Address HOWELL GREEN, Supt., Jeanesville, Luzerne Co., Pa. [Illustration] Straub's Scientific GRAIN MILL, 12, 20, and 30 inch MILL STONES, For Farm and Merchant work. Warranted the full equal of any mill built in America. Before purchasing elsewhere send for our circular and price list. A. W. STRAUB & CO., Philadelphia, Pa. USE WILHIDE'S NOISELESS, SELF-Setting Rat and Mouse Traps. Caught 19 rats one hour; 46 one night. Ask your storekeeper for them. State right for sale. Circulars, etc., free. J. T. WILHIDE & BRO., York Road, Carroll Co., Md. AGENTS and SALESMEN wanted in every city and town to introduce a new Work, the "COMPLETE BUSINESS REGISTER" to dealers. Great inducements. Don't fail to write for particulars. W. H. Pamphilon, Pub., 30 Bond St., N. Y. LADIES CAN MAKE $5 A DAY IN THEIR OWN CITY OR TOWN. ADDRESS ELLIS M'F'G CO., WALTHAM, MASS. [ILLUSTRATION] THE "BIJOU" MICROSCOPE, WITH MOUNTED OBJECTS, 50C. A COMPLETE LITTLE INSTRUMENT FOR EXAMINING MINUTE OBJECTS. HAS ADJUSTABLE LENS-CAP, OBJECT SLIDES AND DIAPHRAGM, AND MAGNIFIES 10,000 TIMES. A MARVEL OF PERFECTION, CHEAPNESS, SIMPLICITY AND COMPACTNESS. OF PRETTY DESIGN AND NICELY FINISHED IN BRASS. PRICE, WITH AN ASSORTMENT OF INTERESTING MOUNTED MICROSCOPIC OBJECTS, 50C. SENT POST PAID ON RECEIPT OF PRICE TO GEM MICROSCOPE CO., 156 FULTON ST., N. Y. XMAS "WONDER BOX." CONTAINS 12 SHEETS PAPER, 12 ENVELOPES, 3 SHEETS COLORED PAPER, 1 LEAD PENCIL, 3 PENS, 1 TEXT, 12 COMIC CARDS, 40 SILHOUETTES, 36 MOTTOES, 85 PATTERNS FOR FANCY WORK, 112 DECALCOMANIE, 131 EMBOSSED PICTURES, 50 FANCY ORNAMENTS, 1 PENHOLDER, 2 BOOK MARKS, 5 BLACK TABLETS, 5 PICTURE CARDS, 30 SCRAP-BOOK PICTURES, 1 XMAS BANNER, 1 GAME AGE CARDS, 2 XMAS CARDS, 1 TOY PARASOL. PRICE, 42 CTS.; BY MAIL. 53 CTS. RETAIL VALUE, $1.45. _POSTAGE STAMPS TAKEN_. J. JAY GOULD, 10 BROOMFIELD ST., BOSTON, MASS. GOLD, SILVER, AND NICKEL PLATING. A TRADE EASILY LEARNED. COSTS LITTLE TO START. THE ELECTRO PLATER'S GUIDE, A 72 PAGE BOOK, SENT FOR 3 STAMPS. SCIENTIFIC INSTRUMENTS AND BOOKS LOANED TO ANY ONE. PRICE LIST FREE. F. LOWEY, 90 11TH ST., BROOKLYN, N. Y. DIAMONDS AND CARBON