356 PROCELLAIIIID.E. 



1538. Puffinus chlororhynclius. The Green-billed Shearwater. 



Puffinus chlororhynchus, Less. Traite, p. 613 (1831); Legge, Birds 

 Ceyl. p. 1054 ; id. S. F. ix, p. 264 ; Gates, B. B. ii, p. 439 j 

 Salvin, Cat. B. M. xxv, p. 372. 



Puffinus sphenurus, Gould, A. M. N. H. xiii, p. 365 (1844). 



Puffinus ?, Leyge, S. F. iii, p. 374 ; Hume, Cat. no. 976 ter. 



Fig. 83. Head of /'. chlororhynchus. j. 



Coloration. Dark smoke-brown, slightly paler and greyer beneath, 

 especially on the throat, which has an ashy tinge. 



Bill dusky greenish ; iris dusky ; legs and feet fleshy white 

 (Legge}. 



Length 17; tail 5; wing 11 : tarsus 1-8; bill from gape T75. 

 The median rectrices exceed the outer by about 1*5 inches. 



Distribution. Indian Ocean, seas of Australia and New Zealand, 

 and Southern Pacific. This Shearwater is common about the 

 Seychelles, Rodriguez,, and Mauritius, and has been found breeding 

 at Round Island, near the latter. It has been obtained more than 

 once on the coast of Ceylon, and is very probably, as Legge 

 pointed out, the bird of which a specimen was once obtained at 

 Madras by Jerdon, but lost before a complete description was 

 taken (B. I. iii, p. 826). The coloration of this was identical 

 with that of P. ctdororhynchus, but some of the measurements 

 (length 18, wing 124, tail 5, bill at gape 1|) were large and 

 agreed better with those of (Estrelata macroptera, to which Jerdon 

 noticed the resemblance. The latter is easily recognized by its 

 tarsi not being compressed, and by its stouter bill ; bill and feet 

 black in colour. 



I have seen off Bombay a dark-coloured Petrel that looked to 

 me larger than P. persicus, but it was at a considerable distance. 



1539. Puffinus persicus. The Persian Shearwater. 



Puffinus persicus, Hume, S. F. i, p. 5 (1873): v, p. 293; id. Cat. 

 no. 976 bis; Blanf. Ibis, 1873, p. 215; Butler, S. F. v, p. 292; 

 Barney Birds Bom. p. 421 ; id. Ibis, 1893, p. 175 ; Salvin, 

 Cat. B. M. xxv, p. 381, pi. iv. 



Coloration. Whole upper surface uniform blackish brown, the 

 dark colour extending on the head to a little beneath the eye ; 

 feathers around eye whitish; lower surface pure white; flanks, 



