National Geographic : 1940 Jul
The Bookof -EISHES New... Exciting... in Full Color! GREATLY enlarged, this superb Book of Fishes, edited by John Oliver La Gorce, is the most comprehensive full-color presentation yet published of the better known fish species of North American inland and both coastal waters, fresh and salt. It includes 105 pages of full-color plates, showing 231 species of fish and other forms of marine life; 162 photographs; 102 informative fish biographies; and 11 chapters of thrilling narrative. Light blue cloth binding; 372 pages; 10 1 x 7 inches. In United States and Possessions, $3.50; else where, $3.75. Postage is prepaid. NATIONALGEOGRAPHIC SOCIETY DEPT. A-W, WASHINGTON, D. C. Who's an old Fogey? * There is no excuse for the old-fashioned notion that toilet bowls must be scrubbed and scoured. This picture of a woman using Sani-Flush appeared 28 years ago. From that time to this, a simple chemical compound has kept toilets sparkling clean -without mussing or fussing. Sarn-Flush CLEANS TOILET BOWLS WITHOUT SCOURING * Sani-Flush removes rust, stain and in crustations from the toilet. You don't have to touch it with your hands. It even cleans the hidden trap. Cannot injure plumbing connections. (Also effective for cleaning out automobile radiators.) See directions on can. Sold by grocery, drug, hardware and 5-and-l0c stores. 10c and 25c sizes. The Hygienic Products Co., Canton, Ohio. "Mention the Geographic-It identifies you." ...