PLATE, -V. 
Phases of the wing-stroke, continued from Plate TV. A: Last phase 
of the down-stroke. B: Beginning of the up-stroke. C: Feathers 
bent upward during the up-stroke (see Marey, Vol des Oiseaux, 
p. 268, and Plate at end). D: Up-stroke continued. Continuation 
of series on Plate VI. (See Chap. III.) 
To face p. 42.] 
