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Mr.. Blnlon Aoerson 
?U.S. Coast CKwtrd 
LORM Station - 
APO. 105 ^ • 
San Francisco, CaHfomla 
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Dear Binlons ' ‘ 
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__ A slB^dLe identfylng character for 
genus is ,tl» shape of the upper Inelsars In side view, Ihey have a 
notch Tdilch no other rodent that I know of has. The IfeBoaal Division 
would like very naich to get a series from Sand If you can Bsanagej gkiwg and 
sku l ls . I would he grateful If you would drop the carcasses in a whlrl- 
pak of fonaaldel^de after tl»y are skinned (slit the abdoainal wall so that 
the preservative gets into the colon). If you don't have time to rnnv<. 
these skins freeze some 8a3Bl seM them haek-Whole frozen "by air. 
Also Itr, I^yhoume would like sane ddad jalhatross. Maybe you 
could freeze some of tl^se also end sexd. them heu^. Use your discretion 
on both of these itenusi you've joohably already, got more than you can 
handle. ' ... 
. tvi 
A t. 
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Regards 
William 0. Wirtz, H 
Research Curat<Mr 
Division C3f Birds 
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