No. 2173* Yuna River, D.R. 
near its mouth. 
May 10,1927. 
No. 2174. The }.ower Yuna River, 
D.R. 
May 10, 1927. 
No. 2175. Islas de los 
Pajaros, San Lorenzo Bay, D.R. 
May 11, 1927. 
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