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hia * They Breed 2,000 Flies a Week Similarly, blowfiles (which are also bred at Waterloo by the thousands) are unable to reproâ€" duce unless they can get protein from meat; they cannot use proâ€" tein made available in the form Fiy larvae thrive on a nutriâ€" tious balanced diet, largely of bran, and adult flies are offered a wide variety of experimental foods. This is how it was disâ€" covered that females must have protein containing the required nine amino acids if they are to reproduce themselves. Temperature and humidity con trols are extremely precise â€" in fact, the air in the fiy breeding room feels like a farmer‘s back porch on a hot summer day, just before a thunderstorm. The project is a thoroughly orâ€" ganized one. Approximately 2,000 houseflies are bred every week, summer and winter, in a special room in the biology building. be very practical applications for the knowledge being expanded at Waterloo. This is regrettable for flies, which seem to fill no particularly useful role in the world, are eobjectionable and even in saniâ€" lation â€" conscious countries such as Canada occasionally cause seriâ€" ous illnesses through contaminaâ€" tion of food. However, the continual addiâ€" tions to knowledge being made by university researchers might result in an extension of man‘s capacity to control this particular part of his environment . . . as he has learned to control so many others. Thus there may some day At the moment there is no way of applying this knowledge in a practical way and thus the future of the world‘s fly population still seems reasonably secure. Morrison has discovered that there are nine essential amino acids which must be present in the diet of an adu)t female house fly if she is to produce eggs. Reâ€" move any one of them and she will not be able to reproduce. Don‘t throw away the family fly swatter yet, however! â€" To most Canadians the comâ€" mon housefly is a bothersome nuisance. To countless millions in warmer climates it represents a. serious menace to health. But to a team of biological researchers at the University of Waterloo musca domestica, the house fly, is the object of great and continuâ€" ing interest, In fact, the university‘s top fly man, Prof. P. E. Morrison of the biology department has devoted years to intensive study of this insect. He has been aided by conâ€" tinuing grants from the national research council. 4 104 King South Waterloo Caribbean Charters WATERLOO TRAVEL AGENCY Call 745â€"6281 or 745â€"6561 Cruises from $185 14 Days, Hotel, Airticket, Sightscecing. Over 300 to choose from. All inclusive first class Antigua .......... $49 Barbadog ............. $36 St. Lucia Hawaii $496 MEISSNER‘S $369 $589 Aithough Morrison‘s discovery of the nine vital amino acids was made a number of years ago, reâ€" search is continuing to determine why this is so. One of the young scientists working with Morrison is R. P. An adult housefly can lay as many as five batches of eggs and her total lifespan can extend to a period of about four weeks. House fly breeding follows a cycle of approximately 17 days. A female fly lays about 150 eggs at a time and these take about one day to hatch. The larvae grow for about six days and then pupate; six days later the adult fly emerges and it takes about four days for her to mature to the point where she can begin laying eggs. During this period she must get protein. of milk which forms an ideal diet for house flies. Mosquitoes, on the other hand, cannot use protein from either meat or milk â€" and must get it from blood if they are to reproâ€" duce. S®k w And that‘s not all. There will be two Prepayment Coupons, cashable May 1, 1968, attached to each Special Replacement Bond. They represent the 6 months‘ interest already earned by your old bond and the prepayment of the 3% nonâ€"taxable premium originally due November 1, 1968. On a $1,000.00 bond, these two Prenayment Coupons will be worth a total of $55.00. In addition, Special Replacement Bonds offer the opportunity to double your money. If you choose not to cash your regular interest coupons during the life of the bond, 3 Compound Interest Certificates then become payable for a total of $280.00 extra (on each $1,000.00 bond). This amount plus your regular interest coupons doubles your money. You can take advantage of this compound interest feature in various ways, The Government of Canada has created a special new highâ€"yielding security for the advance refunding of 1959 Canada Savings Bonds. These Special Replacement Bonds will be dated May 1, 1968, and will mature in 10 years 5 months on October 1, 1978. They will be available only in exchange for an equal amount of 1959 Canada Savings Bonds, and not for cash. Their average annual yield to maturity will be 6.88%. They will retain all the standard features which have made Canada Savings Bonds the most popular investment in Canada‘s history. This inâ€" cludes the right to cash them any time at any bank for full face value plus earned interest. If youown 1959 _ _ Canada _ _ _ Savings Bonds Here‘s a special offer just for you $# The blood analysis involves a process _ called _ electrophoresis which separates the various proâ€" teins according to molecular size and net charge, in an electrical field. Equipment used includes a photoelectire scanner coupled with an electronic integrater and an automatic cariable response recorder. Bodnaryk says it amounts to about half a microliter per fly. With such a minute amount, the collecting must be done under a microscope. The blood, which is clear in color, is collected in a slendér tube; fortunately, it does Bodnaryk who has been analytâ€" ing the blood of house flies â€" in itself a delicate operation. Exâ€" tracting enough blood from these insects so studies may be perâ€" formed is no mean feat. It involves lightly etherizing the flies; the right wings are then cut off near the bases and the insects are gently squeezed. A tiny globule of blood appears at the wingâ€"base cut of each fly. coagulate First, the serial number in red in the upper corner of each bond is preceded by "S14‘" in black, Second, the name of the issue, "Canada Savings Bond‘* ©1959 Series‘ is shown just below the serial number, 1959 Canada bavmigs Bonds How to recognize your _ _4 The exchange procedure is simple. Take your 1959 Canada Savings Bonds to your bank, authorized investment dealer, trust or loan company. They will make all arrangements for you. Exchange your 1959 Canada Savings Bonds for the new highâ€"yielding Special Replacement Bonds without delay. This offer expires on May 15, 1968. Starch Maintains Cotton Crispness Neatâ€"looking unbleached cotâ€" ton curtains, so popular for rusâ€" tic decor, are easy to keep fresh and crisp. Wash in mild soapâ€" suds and warm water, and use starch. If possible, spread out on flat surface to dry. Iron curtains while still slightly damp, workâ€" ing the iron from seams and boarders toward the center. \UESSIPS casnces / [JESSUPS ceaners | Kitchener Waterloo Waterico Chronicle, Wednesday, Mar: eK. _A Ontario & Duke Sts. Waterloo Square Alterations Tel. §78â€"1550 114 KING WEST, KITCHENER (Next to Lyric Theatre) TAILOR SHOP Expert Craftsmanship and Service Ladies and Men‘s SOMER‘S