| Show o STUDENT LIFE would pine away tlicir c A climate good for violets would he had fur pineapples Seasons may he advanced or retarded hy glass ( )ur friends arc regaled houses with strawberries thrown in March: roses flourish during a twel veThe flora of the Amazon in nth valley is reproduced forty and fifty decrees north of the equator Around lioston lettuce is grown all winter hy means of glass Glass houses make tomato growing in New England The I nited States and England have spent constructing many millions in houses wherein artificial climates mav he maintained Control and direction of water is a prominent feature in agriculture Rivers are caused to flow in definite channels hy means of dykes and emreservoirs are conbankments structed in which waters are stored up for use during drought and periodic dry seasons: underground drains are made which carry of! surplus water from swampy grounds therebv rendering them cultivable: vast districts in arid regions are made to blossom like the rose through irrigation The agriculturist not onlv controls water already on the surface of the earth hut when it becomes necessary lie brings it to the surface by means of bored wells Animal breeding plant variation and development of new kinds of grains are fine examples of man’s increasing power over natural objects The distinction between a os-sih- le magnificent Durham bull and the wild cattle of Europe is a distinction due to man’s care and judgment in selecting for breeding the best individuals out ol Sheep-raiseeach successive generation in the region in one decade through selection and breeding have increased the average weight of their llocks What a difference there is between the massive limbs of a draft horse and limbs of a the greyhound-shape- d in the length race horse Variations and form of hogs’ noses indicate man’s power over domestic animals The through selective breeding most improved breeds when negThere lected rapidly deteriorate aniare instances when pure-bre- d mals through neglect in one generation have developed some of the earmarks of a scrub Man’s power over the character and disposition of animals through breeding and selection is just as marked as his ability to change their physical form Even the most superficial observer is aware of the vast difference in disposition between a wild “cayuse” and a thoroughbred trotting horse Experiment stations throughoir the United States are carefully investigating the subject of plant variation Xot only are they causing variations in old and types : hut in some instances thev have created new fruits Tin United States bureau of plant breeding has recently created a new fruitof Jaby crossing the hedge-orang- e pur-jxis- es rs Inter-Mounta- in well-establish- ed |
