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The Catalina Islander
Avalon, California
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December 19, 1940     The Catalina Islander
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December 19, 1940
 

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1, 0 line ! they are geared happen to be removed Stratnts-- on t ,n,oraril,they s(iOll le&ch the fa- il P0pulat,on- i supply. As a matter of fact, limitations of space and food are often involved |` ~,te~~t~-~.~:'.z~:t'~.~ "finalbUt thatdecisiveness.fact should not obscure their ~ u~sttirt f us know the ohl story a.bout .When restraint of population is '~tcL g chickens before the:, are mentioned, probably most of us think. ~ed ~ent adaptions as those ap- s L i ~r "muhiplicatio,~ of rabbits P .a / . * y ~e~ apt.gs, fhes and the like. Through pressed by.examples such as that of ~%s a~,d throulzh our own observa- the Americ~.n Bison, which once roam- ree,~.'m. experiences we have come ed over the North American continent ~at ~n.lz.e, at least vaguely, the fact in vast nuinbers, but which quickly lh nuva, lWmg thing is able to expand approached extinction under the at- ~'er~ oers without limit, Man offers tacks of hunters and the destruction PAGE N, ~~~I~I~u~i~"~u"~ llillmlllllllllUlUlllllllll~llllllllllilll IIII IIIII ~lllllllJlillllllllltlUllplllill',lllillll,:~ ,-. DI STI NC TI-'VE GIFTS Wiching y ou rrrl! hi 'l i2testraints to increase of cer- of l,astura e o,e 0r, there are other QIbri tma influences which may operate decisive- ~, ~.qs of populations, including his ly in many cases. The influence of ~e. nut Nature imposes infinitely lack of water is even more striking than that of lack of food in many ~' "i teachin~ in Stockton High cases, but the importance of proper ~tu~!~I~I~INII~!I~i~aN~I~II~I~N~g~I~[~II~I~HR~N~u~R~i~R~N~$~I~ii~I~i ago, one oi nly Biology condition of the water is not so ap- t~ "~ ~ ~* u. ~z the question as to speedparent, although it is easy to see that ('fParanloecium, the micro- if the water contains too /nuch ,alkalr, ] Brooks Pharmacy[ ~a so commonly used for or other injurious substances, it may r~c~ of study by beginning l~i logy. We assumed first prevent the spread of certain popula- tions in particular localities. ~ .- an tal could become two in One of the most striking scientHic,New Merchandise Friendly Service Reasonable Prices | ~r hours, and th~.t the two discoveries in the biology of Nature i ATWATER ARCADE - PHONE 122 ! )nit four in another twenty-in recent years is that animals, as well ~''~''"''~'"~'~"""""''"'~'~""~"""'''''"~'*''~'~'"~""""~''m'~"""''''~"'~""''~""''""'''''~m'"'~"~"~'""~"~"""~''~'"~''''"i population doubling every as plants, must have small amounts ar hours, IF ALL CONDI- of certain substances not ordinarily ~u,ld be kept as favorable as sut)posed to be necessary. Many of us ning. At the same time, how long it would take tins creatures to swim a long after watching )ss the field of view of the From our series of cal- two fiuallv concluded that a oekton Channel could be fill- solid mass of the animals in than it would take one of that distance (if it could enough to do so). tree, such calculations and are silly, except for one they force attention to the al ponulations can mul- know that iodine exists in sea water in traces so small that only the most expert chemists can find it; also, that it is obtained by sea weeds and built into their substance in quantities avail- able for commercial extraction. We may have thought that only sea weeds were capable of so great delicacy of operation, but it is known today that many land plants can do as we[[, sometimes takin~ from the soil materi- als that are dangerous to animals as well as benefieal. Some of us know that certain human disease results from lack of iodine in drinking water. One of the striking applications of there is space for the newer knowledge concerning the or food to eat. All influences of traces or lack of traces of geared to meet some particular chemicals in soils, waters and upon their expansion,foods, is the development of a theory '~ ~ ~ m m~ ~ to explain the cyclical fluctuations in I~]~|T~ J~'WI~'L~Y/ numbers of rabbits, mice, birds etc. For example, in the ten year cycle of Cans- at dian hares, the animals gradually buiht up an enormous population which eats Angeles Prices up the food plants capable of provid- ~ in~ traces o needed chemicals. Be- P" I)arkins AtwaterArcade cause of lackf of these they contract "~-~'~" liverdiseasewhich kills "themoff 1 J I ~ wholesale. Then the surviving hares I t1~~ and appropriate plants start the cycle % allna Hospital [ anew The theory seems plausible and ~lit gives an excellent illustration of the del'icacy of adjustment of living things to the conditions of living. --171-- 1~" OUR LANGUAGE~ GROWS Some one had asked the qucstio~z: I I NNs'r--"- WINDLE T, whom d,cs praise belong I NOTARV For nlakinv- ;,nlan ,;otln~ :J.s fair And beautiful as VOUllg.~ PUBLIC " hen a,ne ,e .lv "The eosmetulo