GENERAL INDEX. Ivii 



VOIi. PAGE 



Summer Duck, or Wood D. {A. sponsa) . . viii 97 



Tufted D. {A, fuligula) viii 60 



Velvet D. {A. fused) . . . • • viii 137 



DARTER. 



Bill straight, pointed, toothed ; nostrils a slit near 

 the base ; face and chin naked ; neck long and slender ; 

 legs short, all the toes connected. 



Black-bellied Darter, {P lotus melanogaster) . ix 79 

 Female of ditto ix 82 



VOL. IX, 



