nnimnl. Moreover, it is ndvisiible t h t thorough post-mortctli csnininntions shoultl IJC inride 011 sonic of the tlcntl nninials. The only rcrnnrk 011 this subject nindc hy tlic nuthors is t h n t n bullock's storni~cl~ antl contents, kidneys nnd liver * * prcscntcd the yoattnorkni aspects of lend poisoning," hut tlicsc aspects, which ~v011ld 1)e of grcnt interest to workers in this ficld, nrc not spccifictl.
In tlie case of ii I)ullock froni Locnlity 1 Diinii and Uloxniii nppcnr to hnve t l m w i i the conclusion tliiit tlic animal litid died from 1c:id poisoning froni t h fiicts thnt they tletectetl npprosini:itcly :,,Ill ,,th g r i n of leiitl per ounce of stoniiich :inti intestines nntl thtit they fou~itl lend on grass in the proportions of 1'1.1 wid 11 -5 pirt!, per inillion. In tlic ciisc of :I sliecp froiii the s:iim locnlity they found npprosinintcly , *tli g r ; h of lead pcr oiincc of stonmli tissue, , ./lll,tli gniin per ounce of kidney, tint1 l,tli grnin per ouncc of liver. Chiss froni 11 field of 1,ocnlity 2 contninctl 0.3 p r t of leiit1 per niillioii, turf lroin other fields contiiincd 0 . 3 ant1 0 -8 plirts per million, wliilst turf nnd tleiitl lenvcs froiii nnotlicr position contniiicd 45 parts pcr niillioii. l+oiii tlicsc riiirrlyscs done the authors concludc t litit *. it is liiglily prolmhlc tlint those sliecp " (which lint1 died zit this Lociility) " died of lend poisoning." The conclusion I tlniw froin tile snnic dutn is the opposite to t1i:it drown by the n i i thors.
In the iibscncc of reports of rclinblc clinicnl inspcctions rind of pod-itiortctti csnniiniitions the evidence ndvnnccd by Duiin nnd Ulosnni in their paper is quite inndcquiite to prove either tliiit the illnesses iind deatlis of any iinimnls have been due to lend poisoning or tliut thc pnsturcs hiiw been " poisoned " with lend conipounds.