Fig. 456a. Types of birds' feet. A, reticulate tarsus of black-bellied plover; 

 B, scutellate tarsus of meadow-lark; C, booted tarsus of robin; D, cursorial foot 

 of ostrich; E, rasorial foot of prairie-chicken; F, semi-palmated foot of peep; G, 

 totipalmate foot of wood-duck; H, of cormorant; /, tarso-metatarsus of penguin. 



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