78 MESSRS. ROBINSON AND KLOSS ON 



" Iris chrome ; orbits lemon yellow tinged with green ; upper 

 mandible brown edged with ochre yellow, lower ochraceous yellow, 

 base greenish ; thighs and tarsi yellow, tarsi and toes black in front." 



Total length, 925 ; wing, 375 ; tail, 160 ; tarsus, 124 ; bill from 

 gape, 145 mm. 



Personally we have found the Purple Heron rarer in the 



Peninsula than it is in Sumatra : in the south, indeed, it is extremely 



uncommon. 



102, Ardea sumatrana Raffles. 



Ardea sumatrana, Raffles, Trans. Limi. Soc. xiii, 1822, p. 325 

 (Sumatra) ; A., p. 469 (Mergui to Pakcban) ; F., p. 14 (Terutau 

 Id.) ; H., p. 142 (Koh Pennan). 



Common in most places along the coast on mud-flats and in 



mangrove swamps, but very wary and hard to approach. 



103. Ardea cinerea jouyi Clark. 



Ardea cinerea jouyi, Clark, Proc. U. S. Nat. Mus., 32, 1907, p. 468 



(Korea) ; I., p. 136 (Koh Lak). 

 Ardea cinerea, A., p. 472 (Pakchan) ; G., p. 152 (Ratburi and 



Petchaburi). 



Probably fairly common in winter. 



104. Herodias alba (Linn.). 



Ardea alba, Linn., Syst. Nat. i, 1766, p. 239 (Europe). 

 Herodias torra, A., p. 472 (Crab Island, Tavoy Estuary). 

 Herodias alba, H., p. 89 (Bandon). 

 Local and rare. r 



105. Mesophoyx intermedia (Wagl.). 



Ardea intermedia, Wagler, Ibis, 1829, p. 659. 

 Mesophoyx intermedia, I., p. 136 (Koh Lak). 



Distinctly uncommon. 



106. Garzetta garzetta (Linn.). 



Ardea garzetta, Linn., Syst. Nat. i, 1766, p. 237 (Oriental Region). 

 Herodias g.rzetta, B., p. 84 (Junk Seylon) ; Williamson, Journ. 



Nat. Hist. Soc. Siam, iii, pp. 40, 41 (Tacbin and Bangkok, C. 



Siam, and Anghin and Bang Phra, Inner Gulf of Siam). 

 Garzetta garzetta, E., p. 117 (Patani). 



A. Hume, & Daviflon, Stray Feathers, vi, 1878. E. O. Grant, Fasciculi Malayensos, iii (Birds), 1905. 



B. Miiller, iJie Ornis iler Insel SalanKa, 188'2. F. Koliinson and Kloss. n)is, 1910-11. 



C. Gates, Birds Brit. Bunnah, Vols. i. & ii, 1883. G. (iairdner, Journ. N.H. Soc. Siam, i, IQl."?. 



D. Bonhote, P.Z.K. 1901, Vol. i H. Robinson, Journ. F. M. S. Museums, v, 1915. 



JOURN. NAT. HIST. SOC. SIAM. 



