Journal of the Federated Malay States museums - Sabrizain.org

I9I/-J H. C. Robinson: Birds from Pulau Langkawi. 151
Common on Langkawi, Terutau and Pulau Butane in
the Butang Archipelago, west of Langkawi.
The island specimens seem smaller than a male from
Trang which approaches the larger Himalayan form A affinis
(Blyth), wing about .505 against a maximum of about 260
in the island birds.
43. EURYSTOMUS ORIENTALIS OKIENTALIS, Sharpe.
Eurystomus orientalis, Sharpe, Cat. Birds Brit. Mus.
XVII, p. jj, pi. 11, tig. 1 (1892); Robinson and Kloss, Ibis,
1911, p. 32; Stresemann, Nov. Zoo!. XX, pp. 298-301 (1913)
Robinson, antea, vol. V, p. 144 (1915).
a. '. Koh Muk (Pulau Munti.ii. Trang. S.W.
Siam. 6th January, 1917. No. 3859.
b. i. Pasir Raja, P. Lontar, S.W. Siam. 10th
January, 1917. No. 3871.
" Iris hazel, bill coral, black tip, feet coral."
Fairly common in all localities; also obtained at Pulau
Terutau and P. Langkawi in former years from November
to April.
I have again carefully gone through the considerable
series of Rollers in the F.M.S. Museum and find that they
have been collected in every month of the year, except June
to September. There are, however, specimens dated July
from Malacca in the British Museum, collected by Davison.
The series readily split on the general characters given
for E. orientalis and calonyx, viz., the greater amount of blue
on the outer tail feathers and inner secondaries in the latter
form, but there is also another character and that even more
marked, viz , the greater amount of blue on the primary
coverts in calonyx, these feathers being never more than lightly
edged with deep blue in orientalis.
There is no doubt that both races are migratory in the
Malay Peninsula and that E. orientalis orientalis breeds in
the country also, which E. 0. calonyx almost certainly does not.
43.
MEROPS VIRIDIS, Linn.
Merops sumatranus, Raffles, Sharpe, torn. cit. p. 61
Robinson and Kloss, p. 37; Robinson, antea, vol. V. pp. 92, 146.
Merops viridis, Hartert, Nov. Zool. xvii, p. 4S2 (1910).
a. ?. imm. Pulau Langkawi, 8th February, 1909.
F.M.S. Mus. No. 281/09.
In view of the fact that this species does not occur
in Tenasserim or so far as is known further north 111 the
Peninsula than Bandon, while there are no recent records
from Siam proper, occurrences in Southern China and Lower
Cochin China are open to doubt. The records of Oustal' t and
others arc more likely to be referable to migratory specimens
of the Philippine .1/. bieolor, Bodd.
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