THE BIRDS OF SOUTH-WEST AND PENINSULAR SIAIVI, 



149 



CUCULIDAE. 



Cuckoos. 



Clnmator corri))iandH!i 



Cuculus canorus bakeri 

 C. m. micropterus 



j Head crested 



I Head not crested . . • • • ■ • • . . 2 



( Tar9U3 feathered anteriorly ; wing pointed and 



J longer than tail . . . . • • ■ • • • 3 



1 Tarsus naked; wing ronnded and about equal to tail Endyyiamis s. vialmiann 



i Tarsus naked ; wing rounded and shorter than tail .. .. ..18 



[ Secondaries scarcely exceeding half the length 



\ of wing . . . . • • • ■ • . "1 



(Secondaries two thirds the length of wing or more .. .. ..5 



( No subterminal black band on tail 



{ A subterminal black band on tail 



(Tail square or forked; plumage black . . Surniculus htgubris dicruroides 



1 Tail rounded and graduated ; plumage not black . . . . . . 6 



(Larger, wing more than 5.5 inches; tail with 3 or 



4 black bars . . . . • ■ • • • • . . 7 



^ Smaller, wing not more than 5 inches*; tail with no 



i bars or with many . . . . • • • . . 10 



( Wing less than 6 inches : a distinct dark 



\ malar stripe 



(Wing more than 6 inches: no distinct dark cheek stripe 



/ Abdomen never banded : back in adults blackish grey : 



\ wing 6.7 to 7.5 inches 



(Abdomen transversely banded in adults 



( Wing 7 to 8 inches : back in adults ashy grey 

 I Wing over 8.5 inches: back in adults bro^ni 



J Ground colour of throat not white 

 (Throat whitish with dark cross-bars 



YFore neck rufous like the abdomen : head like the 



back, generally bronzed ; white on inner webs 

 ! of tail-feathers contined to the edge 

 Fore neck grey contrasting with abdomen : head 



grey, paler than the back : white on inner web 



of tail-feathers extending to, or near, the shafts 



(Upper parts always barred: not metallic 

 i Upper parts unbarred in adults : metallic 



I Upper parts entirely or partly deep purple 

 { No purple above 



J Head rufous 

 (Head not rufous 



/ Back, wings and tail barred rufous and green or 

 I greenish bronze : upper mandible dark throughout 

 j Back, wings and tail entirely coppery green : upper 

 ( mandible pale at base 



[ Upper parts deep shining green : upper mandible 



! pale at base 



1 Upper parts not intense green : upper mandible 



\ entirelv dark . . . . . . . . . . ... 17 



Hieroooccijx yianus 



H. fugax nisicolo>" 



H. rariiis 

 H. sjjarverioides 



Cacomnntis s. iepiilchralis 



C. mendi)ii(s (luerulus 

 Penthnceryx sonnerati i^enKstua 



Chalcococcyx xnnthorhynchui, cT 



C xantJtorhynchus, imm. 

 C. maculatus, 2 



C. maculatus, c? 



11 

 12 



l.H 



14 



15 

 16 



I. Gyldenstolpe, Kungl. Sv. Vet. Akad. Handl. M. Baker, Journ. N. H. Soc. Siain, iii, 1919. 



56, No. 2, 1916. (first part). 



J. Eobinson, Journ. F. M. S. Mus. vii. 1917. Baker, Jom-n. N. H. Soc. Siam, iii, 1919. 



K. Kloss, Ibis, 1918. (second part). 



I.. Eobinson and Kloss, Journ. N. H. Soc. Siam, M. I. Baker, Journ. N. H. Soc. Siam, iv, 1920. 



iii. 1919. (third part.). 



VOL. V, NO. 2, 1922. 



