T- 
UNITED STATES DEPARTMENT OF AGRICULTURE, 
BUREAU OF BIOLOGICAL SURVEY, 
WASHINGTON, D. C. 
July "1, 19 IG. 
ir. Alex V.'el-core, 
'Jori aie, 
Lear 'Jetmore: 
Wo hA'/e written to the Silencer Lens Coinyari]/ notifyin^r thesn 
that you fo'and the countinr cl-Sinhor of your haeinocjrtoineter .-insatiE- 
factory and asked thea to sui-.ly a new one as 30<:n as i'Ossible. 
I iiave written to Lr» A. L. Ltout regarding the ash 1-orer 
hut v/as una'i le to g’ive him definite information. 
1 leave in^^uired of Dr. Lkinnar whether there is any way of 
presorvini? water sai'ui-les for exaininat ion to learx'; the percentage of 
IlVdroeen sulnhide. he savs that there is not and that if sliipped 
without preservative the percentage of this co>:p.>ound would undoubtedly 
change materially in transit, he thinlcs that the only satisfactory way 
of getting at the conterit of lijrOrogen sulpd'ide is to have exoiainat ions 
.•made locallv and as i romi'tlv as nossihle after taking thu e.mnple. If 
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m 
co.n get t?'. is done in oalt Lake City, it v/ould undoubtedly te 
,4. 4 -O 
JUSlil 
to do SO and to charge the item up in your expense accou.at. 
1 uoderotand that Uie a, orooriation for duck disease investigati 
m 3 
has h .en retained in the hill after action by the conference. It now 
reima-iris for I'Oth houses to agree upjon the p^resent f'>r;!j of the bill. 
