Fig. 80. Young Homed Grebes on their nest. Obliterative shading and specialized ground-picturing patterns. [Cf. Fig. 77.] 



Photographed from life by Herbert K. Job. 



Fig, 81. Baby Woodcock {Philohela minor). Picture-pattern, based on counter-shading. Notice, here and in Fig. 82. Baby Woodcock 

 the next tigure, the perfect picturing by these young birds' patterns of dark holes and lighted details. ' {Philohela minor)." [Cf. Fig. si.] 



Photographed from lifehy E. G. Tabor. Photographed from life by E.G. Tabor. 



