Show LIE ACE Or THE WORLD It a ruk llrr ler Then II flee tupind 0t of the ntintloni om lilered bj Irdf l C II IVmlton In hU presidential addrjn before the geological Mellon of tlf t llrltlsh amoclatlon related to the l engh of time required for tin Ine pmt of animal life on the earth to III present condition cope Vopulai Science Monthly whether the prrs ml Mate or ptleonlologlcal and toolog heal kaowudge dlmlnithwt or Increiuw the weight of the opinion of lIarwlll Huxley and Spencer that Iho tlm ilurllif whirl the geologists concluded that the fotilllforotu rocks had been formed wa utterly Iniufflclenl for organic or-ganic einliitlun The arguments ol the physicist derRtol 1 from the supposed sup-posed effeit Of tidal action upon tin length of the day anti from the wtl mated Irnmu of time occupied by tin earth In mling from an axtimcd tent peratnre to Us prevent condition are I fhonn to hate been proved Imnlld at I Laces for cilcttlntlng tho probablo age of the earth at a llfebrarlnK body The argument ilcrhed from the lIp poseil life of the son has not yet been ruled out and that Kin a maximum of WOOOOOOO year The computation of the lime required for depositing the geological strata gives a minimum of JJ000090 and a maximum of GsOOOO 000 years pooslhly 00000000 yean The author Inquiry at to how much of the whole ahem of organic colu lion has been worked out In Ihe lime during which Iho foMlllferous rocks were formed does not drat with the time required for the origin of life or for the development of the lowest be Inca with which Yoe arc itrqualntM from the first formed beings of which wo Know nothing but only with to much of the process of eolutlon we cnn infer frcm tho structure of lie Inc and foul forms Tin omparlton In I nmite from A study ol the ctolutlun of the phyla All available cVlderco points to the ex treme ilo noM of progresahe evolutionary evolu-tionary changes In the roclentvrato phyla t altlioiicli the protozoa are oven moro ronunUvr When consider further on the the coelenterate phyla that occur fossil we shall find that the progressive changes were slower anti Indeed hardly niiprtclablo In the echl I noderni and gephyrea as compares wttbl the molluscn appendlcttlata anti tcrtebnta Within these latter phyla we huts evidence for the evolution ot higher groups presenting a mora or Iras marked advance In organization Ai t whole the comparison It quit enough to necessitate n very large ins crria In the lime estimated by the Vpjoflit Wo can hardly escape the conclulon that for the development pfttiiirthropod brunches from A comm com-m l cjctopodllke anceator and for the fn the r development of the classes of each branch n period many times the length of the tosalllferous series It required re-quired The evolution of the ancestor of each of the Wittier animal phyla probably occupied aa long a period us thfVmulrcd foiHbe evolution which subsequently octurred within the phy too Dut tho consideration of the hliher phyla which occur fossil except tho vertebrate leads to the Irreslstlb conclusion that the whole period lu I which the fosilllferout rocks were laid JoWimut bo multiplied several time font later history alone The nerloi thtijTpbtalned I requires to be again t In creed IJdl Kf crcAlcd and perhapt doubled I for the earlier history |