Show protection FROM cg good doul write obtained frown tile laic ac clua tion of large A the aalt oi animals immune flom polson poison lacot an pasy easy one foi pie upon uie the aneals to gia duall withstand A Ith stand baiger at and id baiger doses of tho the benow and considering the in tensely toxic ch cli of the substance which had to be boud handled led the danger was wag ever eier present of the ani mil succumbing to tol venom poison be bc foie its the requisite pitch of pi ltv power to render it of iv V asan as an antl anti loyld dr calmette Calt telia lib sa a 11 ig azine that lie he carried out a nery ery largo large number of lefoie he bep mep ampt with success but it Is not necessary heie to discuss the various efforts suf aut flee it to say that at length his labois were rewarded rew aided and the following ex e front from one of ills his memolia describes the methods which he now adopts for the purpose the best method of 0 procedure for the purpose of vaccinating laige animals destined to produce anti venomous serum consists in in ejecting them from the outset with gradually increasing quantities of tile tho venom of the cobra mixed with A ith diminishing quantities of a one to sixt solution of h lime ilme the condition and the variations in tile tho weights of the animals are carefully caie fully follo followed Ned in it older that the injections inject lona may lio be made less legs frequently it tho the animals do du not thrive well quantities of stronger and stion gei enon are in turn injected clist considerably dilli diluted ted and then more concentrated and the anlin animals ali have acquired it n lelent immunity the from as large a num berot berof diffrient species of snakes as possible are injected the duration of the Is 19 of considerable length at least fifteen in months 0 beaole the Sell 1111 is 18 a active to be used tor for tile the purpose of treatment during the last thice bears ears an immense dunber of animals have been vaccinated vaccina ted by this method at the pasteur institute at mile lille |