PLATE 26. 



Fig. 1. Foot of Ibycter americauus. \_Natural size.'] 



2. Under surface of primaries of Milvago cbimango. \_Eeduced one-half.] 



3. Under surface of primaries, and terminal portion of rectrices of one side, of 



* Phalcobtenus megalopterus. [_Beduced one-haJf.] 



