March 3 1952 
Dr* 1* K^naoiid Hall 
Maseuw of lateral Hietory 
Univesity of Kansas 
Lawrsncsy Kansas 
Dear Dr* Hall: 
Today I reccivod your lettsr of Fobninry 29th, which iraCauB 
that you had net rocelTed w letter to you, dated also February 29th. 
What I want to do Is to wak© it unnecessary for you and those of your group 
to have to Imve a Panaiaa visa on your passports, or to get a 
card, and so that you can r^ske use of the ^tel^in Ancon wZ*io do 
this, you *ust have a Canal 2ione Intry Persdt, xo get lor you 
mst know how you are travelling,- by plane or boat, 
If by plane, wLt air-line, and if by best, name of steaTCr,— ®®: 
about when. If I get this information to© late, it may no. oe posrl g 
thia peridt to you befoi:^ you Xbbwb^ 
Apart from this, you should advise »© by air^il more emctly regard^ y^ 
departure,- airline, flight number, day and hour you xeavo the 0S, from w^t 
city, when due here, or if boat, name, day of departure, what port, an^ when 
dti 6 st nristobal* 
Your letter of Feb 11 to Dr Wetmore indicates four person, for whom^I ha^ 
credentials, but there is an implication tliat there may be another, Pexh.,F 3 
you oniy mean four all told* 
Personally, I feel you are allowing yourself too Uttle t^ 
ycfti want L accomplish. I believe that by all means some tiM 
OB Barro Colorado Island because it is the ^ cLta 
disturbed low^ humid tropics. There you can make .^.3 
of the vegetation. You can also collect the smaller anlma » 
siaeakaSy toads ^ BXid suoii» 
As to colledting the larger mammals or birds, this Sv^Wc-icS^work 
island. Even where some of our scientists were engaged in phyoiu^^ical 
on mammals, these were gotten for them from the mainland. 
Mr. Charles Marvin Keenan (Box 218, Ancon C Z) ^ 
for the arny, has men working for him who can collect such mw^ls as t^aua, 
I or vne a . monkey, but of course not over night. Then there 
s loths, etc., perhaps ai.so ny ,, to co with some of 
are bunting clubs and perhaps should b-^ able to get 
these, or with Keenan’s men, when they go Viunting. Ihey ^hou 
Maaama abd peccarl. I believe I would first see Mr. Keenan. 
If any of your group want to hunt, you would need a hunting permit, which is 
