580 MR. R. B. SHARPE ON THE CUCULID^E [June 17, 



b'. Bill black only towards the tip, both the upper and 

 under mandibles yellow, as also the nostrils. 

 a". Larger , the throat entirely ashy grey ; the 

 breast bright rufous ; under wing-coverts 



washed with rufous 5. aurantiirostris. 



b". Smaller ; the throat entirely ashy grey, the 

 upper breast slightly tinged with rufous; 



under wing-coverts white G. gularis. 



b. Breast black 7. clamoms. 



B. Plumage beautifully metallic. 



a. Abdonjen bright yellow 8. smaragdincus. 



h. Abdomen white ; flanks banded. 



a". Larger; tail metallic greenish blue, spotted with 



white 9. ctipreus. 



b". Smaller; tail white, spotted with coppery green 10. Maasi. 



Fig. 1. 



Head and leg of Cuculus canorvs. 



1. Cuculus canorus*. 



Cuculus canorus, Linn. Syst. Nat. i. p. 168 (1766) ; Riipp. Syst. 



* The plate 390 of the ' Planches Enluminees,' hitherto considered to repre- 

 sent Cuculus solitarius, on which it has imposed the priority of its name, seems 



