April I 
factors mm m blood mm&m to thte ls]mm&®ry m all raspeefead 
■mhzTlm mum.* they tomi-m itm 100*150 elide* pm swsth* Here aw also IS 
m&lmt&t® m mlmim c«troi pmux&m wtltiaa mm mi this pise®* they surrey Me* 
bleed for pmmsmm mi pmm* tt®». they eelleet sheet 10*90$ slide® * there 
eve t*<dMe£aas the bb 
mm&m im pmmttm* mi their immthly c&pmlty 
is 
&U4m per sseeth. 0s frisidsd SS portent 
md th® ether 5 i. vistm * 
61 i® ease® mm & M®m 
ft* iaiaai# #f friaided* febsg®* Oie®aaia» St. Mill* bmtMim and Jmwim fa&m 
k* laris eMieefclea pvmgxmm «fe 4 <sli are directed fwaa title iMedfoeKtere. Ibis pcefttui 
U tripartite* the World Health tagHNrvieee aad oveliifttee* the W$$MT 
supplies the oMPmmkc and laseetltlde* eod the low l gmmxwsmt edadtietent tbs 
ptegt®®* 
their lebevetery Inelutdes both yellow f mm sad wsletia. SHr. CStem gold «e that 
fllsriaai# is all aw the Csribhe*** area* «ad 
am; 
this dtMmm mm brought to the region by the Orie&tal#. "!« 
Surtees* (botch Gui&aa) 
are ■&§*§©§ Mmnm® the ossa re«fH®aeibi<8 for the spread 
of schistosomiasis in that country* 
1 net the eatmolegM who weth® with if, Chen in the HKledhii of the eeleri* 
eradication program, Hiss 
is Hr. Halbert H i eefe* sad he wee i parasitology 
atodeat of Sr. S®rell«ag*efeel ia the H«tl»r leads. I 
as 
ml? a #i*»rfc efeil# beeeeee 
h* M4 jm#t seas itm Ms Port of if ala hose itare he had mm eed mi dsweetle Miser. 
8e nee ,g©tag out to buy MMi Md hire e water trash to teke It te his heee end fill 
his storage ted. 
Br. Chen’s eddrese is c/o Heiarie Mvisi©a } P. ©, Box 556* fort of Spain. 
Xrlaidad * MZ. 
