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Lethbridge Herald Newspaper Archives

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Lethbridge Herald, The (Newspaper) - October 20, 1973, Lethbridge, Alberta Ask Andy Barnacles Andy sends a complete 20- volume set of the Merit Students Encyclopedia to Angelo Franceschi. age 14, of Richmond, Virginia, for his question: How are barnacles formed? These stubborn little shell fish are nothing but a nuisance They were dis- covered ages ago. securely stuck to the very first ships that mankind put out to sea All this time, every seagoing generation has toiled to dis- lodge them and the tough scraping job continues However not much was learn- ed about the barnacles themselves until about a cen- tury ago. Then the truth of their remarkable life story was discovered Barnacles become noticeable as adults, when they stick their stubborn shells with super-cement to ships and piers, whales and other ocean-going creatures The shell of the average bar- nacle is a small sturdy dome with a hole at the top that can be closed by a hinged door. The living barnacle pokes a tuft of spindly legs through the trapdoor and trawls for food Drifting algae and small sea dwellers are grabbed, pulled inside and stuffed into the bar- nacle's mouth The sea is home to about 800 barnacle species The smaller species have greyish shells about a quarter inch wide Some of the larger species are two inches wide and may be tinged with red or purple, blue or yellow All of them are crustacean cousins ol the crabs, shrimps and lobsters and somewhat distantly related to the insects. We are used to the idea that a grubby caterpillar develops into a winged butterfly. But until a century or so ago. nobody guessed that the bar- nacle also develops through several distinct life stages and the infants in no way resemble the adults As a rule, the adult barnacle is both male and female and fully fertilized eggs are produced inside the shell The eggs hatch and the tiny larvae swim out and away, looking like mini water fleas. No wonder everybody failed to recognize them for so long A newly hatched larva has one eye and six legs and no shell It feeds hungrily on scraps of floating plankton, grows and molts three times during its first week of life. After the fourth skin is shed, an entirely different barnacle emerges. It has two eyes, a pair of feelers and no fewer than a dozen legs. The creature's fat round body soon grows almost as big as a marble Then it is ready to renouce its free swimming life and settle down. It selects a submerged solid surface, such as a ship or a pier or a whale. A limy substance, ex- tracted from sea water, oozes from one of its feelers and this is used to build the barnacle's permanent home For the rest of its life it stays inside, standing on its head. And the shell stays stuck long after the barnacle dies Your horoscope By Jeane Dixon Flashback By THE CANADIAN PRESS Oct. 20, 1973 A treaty for the joint oc- cupation of Oregon was signed by Britain and the United States 125 years ago today in 1848. The pact also restored to the U.S. the right of fishing off Newfoundland and Labrador and established the boundary west of Lake of the Woods, Ont 1950 Korean Communist guards massacred 68 U S prisoners of war near, Sunchon, Korea 1923 The Northwest Territories and Yukon radio system was officially opened, manned by personnel of the Canadian Corps of Signals 1920 British Columbia voters rejected the prohibi- tion of liquor. 1919 The United Farmers party won an Ontario election 1884 The first edition of La Presse was published in Montreal. During a year of ocean travel, a fair sized ship is plastered with perhaps 30 tons of barnacle shells The extra tonnage slows down speed and forces the ship to use more fuel. Every few years, it retires to dry dock, where the tough and expensive job of scraping off barnacles must be done Questions asked by child- ren of Herald readers should be mailed to Ask Andy, P.O. Box. 765, Huntington Beach, California 92648. (Copyright Chronicle Publishing Co. 1973) New control for radio set in April EDMONTON (CP) French language radio sta- tion CHFA comes under the control of the CBC French network. Radio Canada, next April Dr. Roger Motut. president of Radio Edmonton Ltd said a contract has been signed with the CBC but the deal is subject to confirmation by the Canadian Radio-Television Commission Goren on Bridge BY CHARLES H. GOREN c 1971, Tne Chkaio TribuiH WEEKLY BRIDGE QUIZ Q. South, vulnerable, you hold: AAKQJ75.I OJ3 The bidding has proceeded West North Easl South Pass 10 t 14 2 V Pass Pass What do you bid now? Q. vulnerable, as South you hold1 AKQ1094 KQ.I9 4.5 a The bidding has proceeded. North Easl South West 1 Pass 1 A 2 v 5 Pass What do you bid now' Q. vulnerable, as South you hold: 4A72 VAQ96 OK1085 The bidding has proceeded: South West North East I V Dblc. Rpdble. 1 NT 4 What do you bid now? Q. South, vulnerable, you hold C'.AQSZ OAK972 A3 The bidding has proceeded South Wrsl North East 1 0 Pass 2 Pass 2 ;