CUCKOW. 



PIC ARM?. 



387 



CUCULIDJ2. 





CUCULUS CANORUS, Linnaeus*. 



THE CUCKOW. 



Cuculus canorus. 



CUCULUS, Linnceusi. Bill short and subcylindrical, culmen somewhat de- 

 curved, upper mandible slightly notched near the tip ; lower mandible nearly 

 straight beneath ; gape wide. Nostrils basal, circular, with a prominent mem- 

 branaceous rim. Wings with ten primaries, the first short, the third longest, 

 the innermost three shorter than the first. Tail of ten feathers, the outer three 

 pairs graduated, the middle two nearly equal. Tarsi short, feathered for nearly 

 half their length ; toes two before, two behind. 



* Syst. Nat. i. p. 168 (1766). 



f Loc. cit. 



