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4, Orono Weekly Times, Wednesday, JuIy 14, 1982 A4roud- Ho.%Me IT TAKES TWO TO TANGO If you will recail some weeks ago we wrote about the 'Jet Setters' in our back yard, the three hens and the five roosters, and how their ful time is taken up wîth the par- ty circle day after day. The hens had set aside the traditional habits and ap- peared to have no thought of motherhood and in fact spent ail their time with the boys. Why we thought it was im- portant that they raise farnilies is even a mystery to me for 1 will neyer know what to do with them later in the year. But it was an obsession and we did try a number of approaches to entice at least two of the hens to set out in an effort to raise a family. One effort was to dlean up the chicken house and add fresh straw to the two nests. Ail to no avail. Then it came to mind that it does take 'two to tango'.* This resulted in the four Young blades being penned tip by themselves in a half of the hen house while the three hens and old rooster were open to run about. It didn't take long before the old habits returned to the hens resulting today in one settîng on eight eggs in the hen house while the other now sits under a wild gooseberry bush with a clutch of eleven eggs. BLuilding- their own underwater house Woods, Water and Wildlife By: Mon Reid Federation of Ontario Naturalists On a hot sumnmer day, most Canadians head for the water. If you forsake the crowds on the sterile sand beaches and visit a weedy, backwater instead, you will soon discover that the water is full of ife too. Most aquatic invertebrates are dif- ficuit to identify at first, but at least one group isý very distinctive - the caddis flues. Your first encounter with a caddis fly larvae is usually a surprise. Watch the bottom of a small streami or pond, and you will often see small bits of debris that seem to -be jerking themselves along. These moving pieces of debris, often up to an inch long, are actually the cases of thie caddis fly Iarvae. Sheltered inside, hidden from view, are the elongated larvae themselves. Caddis fly houses cone in ail shapes. In my pond, the mnost common type is a messy bundle of stick-like vegeta- tion, shaped somnething like a round log cabin. Other larvae' use vegetation glued tightly into a hollow tube, or grains of sand, bark, leaves, or other debris. Some cases are built to resemble snail shells, some are turtle-shaped, and others include a silken net to ,capture food. In aIl of these houses, the different species of caddis fly larvae look much the samne - a Èom-ie body with an armour-plated head and thorax and three hook-like legs extending in front for building and locomotion. Adult caddis flues are un- distinguished, moth-like creatures that often emerge only at night. These aduit ge-nerally live less than a month. While they usually deposit thieir eggs directly in water, somne slpecies simply drop their eggs fromn flight, and others deposit eggs on streamside vegetation where- the next ramn will carry them into suitable ponds. Caddis fly larvae keep wel in acquariums, as long as they have oxygen and a supp- Iy of mnarsh vegetation for food and shelter. Their slow- motion antics are one of the best ways to introduce children'to the multitude of life in a woodland pond. Acquaînt teacliers special education A numnber of secondary teachers from the Nor- thumberland and Newcastle Board of Education area at- tended a professional activity day held on June 25th in the Cobourg District Collegiate Institute East. D. W. Patterson, superintendent of special ser- vices for the Board, outlined the roles and responsibility of staff, both in the classroom and in administration, as to Special Education. R.T. Malowney, administrative of- ficer for special education outlined some of 'the pro- blems antîipated with the implementation of the man- datory aspects of the provin- cial legislation in providing special education Malowney said it was being introduced in difficult timnes what with declining enrol1- ment, financial aspects and as well the, increasing need for specially trained teachers. He said aIl aspects are going, to have to be considered. The indiNrdualized Educa- tion Plan was outlined to the meeting. This plan is being developed and being used with each exceptional student in special classes in some elementary schools. The objective wvas to make the secondary teachers aware of the plans so that teachers in secondary schools would be better able to use themn when students enter high school. The tango is a thing of the past and nature wiII rule the future. But the story around the hen house is not altogether one of success and we did draw a blank in encouraging our grandchildren to place a setting of hens eggs under that setting duck at their place. The duck was certainly up to the task and has spent somne twenty-seven days on the eggs religiously. Her ef- forts drew a blank and even some of the eggs mysteriously disappeared from the nest., We know learn that it is possible for a hen to hatch duck eggs but the reverse does not happen. According to Len Pears the où fromn the feathers of a duck do have a con- taminating effect on hens eggs and we do also believe now that there is a temperature difference bet- ween that of a duck and a hen and that the temperature created by th e duck is too high to, hatch hen eggs. 1In any event there is no problem of what to do with the young chicks in this case. For the first time this sum- mer everything seems to be back to normal in the backyard. Crime rate increasîng in Durham Region There has been a dramatic increase in robberies in Durham Region accordîng to a recent report. In May of 1982 the summary revealed 15 such crimes which is up some three times over that of May of 1981. The robberies included three bank robberies with the rest at variety stores. Eight of the fifteen were in the City of Oshawa. Chief Jon Jenkins states that there is a rising crime rate against people. Crimes against people have risen by seven percent over the past May. Robberies for 1982 to the end of May numbered 54 compared to 32 committed in 1981. There has also been-an incr ease in crimes agzainst property during the first five months of 1982 compared to 1981. Burglaries, vandalism, auto thefts and shoplifting crimes have incresed by thir- teen percent. The chief pointed out that a total of 266 honies and businesses were broken into and robbed during May alone representing an increase of 35 to 37 percent. On the brighter side ac- cidents during May decreased by some 15 percent over May of 1981. D ecora tion Occupational Heallth Day this Hazard phamphlets Is -your job making you sick? The Lung Association says it could be, if you are inhal- ing hazardous substances during working hours. For manufacturing workers in particular, certain materials in the air can be hazardous to lung health. Dusts, gases, fumes, mists or vapors can contain substances that cause lung disease or other health pro- blems. Heavy exposure to breathing ha zards, such as in accidentai spilîs, explosions or fires may result in im- mediate, acute lung damage. But most exposures to breathing hazards at work are the resuit of smaller amounts of substances inhaled over a long period of time.- Work- related chronic lung diseases usually develop slowly--over years. Symptoms, like short- ness of breath, may not bc noticed for 20 to 40 years after exposure. Smoking adds to the risk of developing lung and other diseases and since most chronic lung diseases are dif- ficult to treat or impossible to cure, prevention is vitally im- portant. Durham Region Lung Association (the Christmas Seal people) have a series of pamphlets available on lung hazards in the workplace. For your free copy, call them at 723-5151. It's a matter of life and breath. Sunday Decoration Day will be feld on Sunday, July 18, 1982 at Bowmanvjlle Cemetery in Bowmanvjlle and Bond Head Cemetery in Newicastle Village. For further information, please contact the Depart- ment of Community Services at 623-3379 ext. 32. 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