8. CACOMANTIS. 267 



p. Z. S. 1878, p. 125 ; Salvad. Ann. Mus. Civ. Gen. xiii. p. 457 

 (1878) ; id. Orn. Pnpuami, i. p. ^32 (1880) ; Forbes, Hep. Voy. 

 ' Challenger,'' ii. p. 90 (1880). 

 Cacomautis incertus, Bp. Consp. Vol. Zygod. p. 6 ( 1854). 



Adult male. Above blue-grey, with a slight greenish gloss on the 

 wings ; a white patch on the pinion-joint : upper tail-coverts with 

 some white on the sides of the outer feathers : tail blue-black, all 

 the feathers with white tips and notches of white on their margins, 

 these notches increasing in depth towards the outer feathers, and 

 often assuming the form of almost complete bars ; sides of the head 

 and chin grey, shading into isabelline rufous on the throat and 

 under surface of the body ; under wing-coverts rufous buff, passing 

 into dusky grey towards the quills ; quills dark brown, with a white 

 patch on their inner webs, forming a diagonal white bar : " bill 

 black, except at the base of the lower mandible, where it is fleshy 

 orange ; feet yellowish olive ; iris dark brown ; eyelid beautiful 

 citron-yellow " {J. Gould). Total length 10-2 inches, culmen 0-7, 

 wing o'o, tail 5-8, tarsus 0-75. 



Adult female. Very similar in plumage to the male, but slightly 

 duller below, where the feathers of the throat and breast show traces 

 of narrow indistinct dusky bars. " Iris brick-colour " (F. Stratu/e). 

 Total length 10 inches, culmen 0-7, wing 5--4, tail 5-G, tarsus 0-75. 



Young. Above dark brown mottled with rufous buff : tail- 

 feathers notched with rufous buff on the outer webs and with white 

 on the inner ones : beneath white, shaded with rufous buff on the 

 throat and front of the breast, and barred with dark brown ; under 

 wing -coverts buffy white, partially barred with dark brown. 

 Total length 8*8 inches, wing 5. 



The type of Cuculus incertu-'^, ^ig-, is a young bird with the upper 

 parts nearly uniform brown, and with dusky bars over the entire 

 throat and breast. Total length 9-7 inches, culmen 0'65, wing -oo, 

 tail 5-3, tarsus 0-75. 



ffab. Australia and Tasmania. 



a, b. S ad. ; e. $ Tasmania. C. G. H. Lloyd, Esq. 



ad. sk. [P.]. 



d, e. Ad. sk. Tasmania. Ronald Gunn, Esq. 



[P.]. 

 /. Ad. sk. Frankland Is., June Capt. Stanlev J^.'^. 



(McGillirray). 

 g-n. Ad. ; o. 2 juv. Australia. Seebohra Coll. 



sk. 

 p-t. Ad. ; u. Juv. sk. Australia. Tweeddale Coll. 



V. Ad.; w. Juv. St. Australia. J. Gould, Esq. 'P.]. 



X, y. Ad. sk. Australia. Linnean Society. 



(Types of C. cineraceiis.) 

 z. Juv. sk. Australia. Linnean Society. 



(Tvpe of C. incerfiis.) 

 a'. S ad. sk. S. Austraha (J. Gould). Sir T. Mitchell [P.]. 



b' . Ad. sk. Melbourne. Tweeddale Coll. 



e', <?. $ad. etjuv. sk. New South Wales. Gould Coll. 



e',f'. Ad. sk. Sydney. Tweeddale Coll. 



g'-k' . Ad. sk. Burwood, X. S. W. Jime. Hume Coll. 



