(A.W Z) 
or three good skins of adults v/ith the skulls should he sufficient. 
No doubt you are correct in assuming that the Great Blue 
Heron is not a regular inhabitant of Porto Rico. As is well knovm, 
it breeds in the Bahamas, and after the breeding season, doubt- 
lessly, the birds scatter and casual visitors appear in Porto 
Rico. 
I am writing by this same mail to Idr. W. V. Tower of the 
Board of Commissioners of Agriculture, telling him that you 
expect to be through with your field work early in September, 
when you vdll return to the Office to prepare your final report 
for publication. 
Very truly yours, 
LL 
