case all soul college versus coddrington et e contra at the roll a devise his  library of book now in the custody of b to a college and afterward buy more  book which he place in the same library and give pound more to increase their  library the afterbought book shall pass colonel coddrington devise to all soul  college in Oxford in these word I devise my library of book now in the custody  of Mr Carswell to all soul college in Oxford and in the same will he devise to  the say college pound more to augment their library after which the testator  buy several book of value which be place in the say library object that the  book purchase afterward shall not pass because the gift be of his library of  book now in the custody of Carswell which word now must be relative to the  time of make the will otherwise must be reject but it be say to be against a  establish rule in the construction of will to reject any word that can be make  to take effect peer William it be admit that without the word now the will as  to the personal estate will relate to the time of the death of the testator by  where that word be insert that if I shall devise all the lease which I now  have or all the horse which I now have in my stable and afterward purchase  more of each these new lease or horse will not pass see Abney v miller atk  James v dean Ves Ves master of the roll where I devise all the corn now in my  barn if that corn be afterward spend and new corn put in such new corn will  not pass vide autem Swinb contra but if I devise all my flock of sheep now on  such a hill or in such a pasture in that case because sheep be in their nature  fluctuate some must die some kill and some lamb be produce which will  afterward breed and it be the case of a collective body the sheep produce  afterward shall pass and this be within the reason of a devise of a personal  estate which because always fluctuate shall therefore relate to the time of  the testator death beside the will as to personal do not speak till after the  testator death vide ante master v master and wind v Jekyll and Albone it be  natural to think that the testator do not in the principal case intend his  executor shall be garble the library after his death by pick out the book buy  since the make the will which appear more plain from the subsequent devise of  pound to the college to buy book so that his design manifest be to increase  rather than diminish as to the case that have be put of a devise of all the  lease which I now have or of all the horse now in my stable and afterward I  purchase more of each the new lease or horse will not pass the reason be  because these be particular chattel and not part of a collective body as a  flock of sheep or library of book indeed a flock of sheep differ somewhat peer  William from a library of book for the former must of necessity fluctuate as  above but there be no necessity that book shall be change however in this case  it be decree that the book afterward buy by the testator and put into this  library shall pass to the college by the will the court be of opinion that the  word now do not relate to the book which be in the library at the time of make  the will but on construction of the whole sentence denote where the say  library be and may be intend to distinguish it from any other library of the  testator dean of Christchurch v barrow Amb Gayre v Gayre vern and see  attorneygeneral v bury Eq can ab pl and master v master ante peer William er p