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GENUS TAN YSIPTER A. Centre tail feathers elongated and spatulate. 



454. T. Sylvia, Old., White-tailed Kingfisher. 



Head purplish blue ; mantle black ; wing coverts ultramarine ; 

 under surface cinnamon. 



Male. Total length, 13 in.; culmen, 1*3 in.; wing, 3 '8 in.; 

 central tail feathers, 9 in. ; tarsus, 0'5 in. 



Female. Total length, 9 '6 in. ; longest feather of tail, 5*2 in. ; 

 other feathers, 2 '2 in. 

 Hab. : 2. 



Sub-order Coccyges. 



Feet zygodactyl or semi-zygodactyl. 



FAMILY CUCULIDuE. 



Feet zygodactyl ; spinal tract furcate between the shoulders ; cseca 



present. 



SUB-FAMILY CUCULIN.E. 

 Wing long and flat, not fitting to the body. 



GENUS CUCULUS. Tail fan-shaped; wings reaching beyond tail 

 coverts ; under surface of quills barred. 



455. C. intermedillS, Vahl. (C. canoroides, S. Miill. ; C. optatus, Gld.), 



Oriental Cuckoo. 



Head, throat, and back blue-grey ; breast whitish, barred with 

 black. 



Hab. : 2, 3. 



456. C. pall id US. Lath., Pallid Cuckoo. 



Whole appearance grey ; eyelash yellow ; tail barred with white ; 

 breast uniform, not barred with white and black. 

 Hab. : 1 to 9. 



GENUS CACOMANTIS. Tail fan-shaped ; wings not reaching to end of 

 tail coverts ; under surface of wing with single oblique white bar. 



457. C. flabelliformiS, Lath. (Cuculus cineraceous, Vig. and Hors. ), 



Fan-tailed Cuckoo (Ash-coloured Cuckoo). 



Grey above ; breast ferruginous ; outer webs of tail feathers 

 toothed with white ; upper parts paler and greyer than following 

 species. Wing, 5 '4 in. 

 Hab. : 1 to 9. 



458. C. variolosilS, Hors. (C. dumetorum ; C. tymbonomus, S. Miill. ), 



Square-tailed Cuckoo. 



Upper parts darker, brown ; breast buff ; under tail coverts buff; 

 no white markings on outer webs of tail feathers. 



Total length, 8 '5 in. ; wing, 4 '8 in. 

 Hab. : 1, 2, 3, 4, 6, 8, 9. 



C. insperatus is not considered an Australian bird (British 

 Museum Catalogue Birds, xix., p. 273). 



Upper parts darker than C. flabelliformis ; breast darker than 

 C. variolosus, partially washed with rufous ; under tail coverts 

 rufous ; no white markings on outer webs of tail feather. 



Total length, 8 in. ; wing, 4 '4 in. 



459. C. castaneiventris, Gld., Chestnut-breasted Cuckoo. 



Upper parts deep blue- grey, barely glossed with green on wings 

 only ; breast bright rufous ; under tail coverts chestnut. 

 Hab. : 2. 



