1918.] Platycer cine Parrots of Australia. 117 



or less representative species^ the seventh, exhnius, ranges 

 coincidently with elegans and caledonicus. The ranges of 

 flaveolus and elegans overlap (see Text-figure 1), as do the 

 ranges of elegans and adscitus, the flaveolus in the southern 

 limits of the range of elegans, the adscitus in the northern 



Text-figure 1. 



:-^-:?'%' ^^^^ \ /f^ S '■■ "^ 



CL. adscitus 



C. caledonicus ^- 



€. elegans 



X. exlmius 



J: flaveolus — r\ ^i 



1?- venustus ^-'V ^--^ 



t/ icterotis P^^^"^ 



{J. barnardi == ==== \<^^ ) 



2. zonarius r^=.=;=^= A .3?M 



5". SpUriUS -:=€===s£ ^^/ 



Diagrammatic map of Australia and Tasmania to show the distribution 

 of the Platycercine Parrots. 



extent, but in each case elegans strongly survives well into 

 the territory of the other species. 



The two species of the genus Barnardius cover the 

 southern part of the Continent, being purely representative 

 species scarcely above the rank of subspecies, as will be 

 shown later. The eastern x-epresentative does not range 

 into Tasmania, 



From a consideration of all the plumage-changes of the 



