THE BIRDS OF SOUTH-WEST AND PENINSULAR SIAM. 



107 



STRIGIFORMES. 

 Owls. 



. /Afiddle toe pectinate on inner margin 

 I Middle toe not pectinate on inner niar^'in 



n (Colour above rich bay, smaller . . 

 I Colour above greyish yellow, larger 



„ /Facial disc and ruff well marked 

 (Facial disc and ruff ill marked . . 



. f Ui)per surface spotted with white 

 (Upper surface not spotted with white 



j P^ar tufts well marked 

 (Ear tufts wanting 



f Size large, wing over 12 inches . , 

 (Size small, wing under 8 inches 



„ I Tarsi nearly naked . . 

 (Tarsi mainly feathered 



Q f Paler ; under surface of tail with 5 cross bars 

 (Darker; under surface of tail with 20 cross bars 



[Smaller; wing less than 14. iJ inches, 

 Q I under surface barred ; no shaft stripes to feathers 

 . Larger ; wing more than 16 inches, under surface 

 i not barred ; with shaft stripes to feathers 



,f. J Claws and bill paie clear yellow 



(Claws and bill corneous or tinged with greenish 



., (Larger; wing over 7 inches; forehead wliitish 

 1 Smaller ; wing under 6 inches ; forehead not white 



/Feathering not extending to base 

 12 _ of toes ; more uniform above ; smaller 

 . Feathering extending to base of toes ; 

 I more blotched witli black above ; larger . . 



Pliotodilus badiiis. 

 Ti/lo flnnnnca javanica. 



Shi.r nricnlnlis orientolii. 

 Strix indrance inauKjay'i. 



(Larger, wing over 5.6 inches ; toes more feathered 

 (Smaller, wing less than 6.3 inches ; toes less feathered 



( Barred above 

 ( Uniform above 



Ketupn zri/hmcnsis. 

 Ketiipa lii'tupit. 



IluJnia sniitntrana. 

 Bubo corovtanduH klossi. 



Otufs sofjittatn. 

 Otiis luciae. 



Otus scoi^s mnlaynna. 



Otits hahkamoenn lettin. 

 Otus b. lempiji. 



1^ (Smaller, with a cervical collar . 

 (Larger, without a cervical collar 



,/.jWing over 8 inches 

 (Wing less than 8 inches 



17 



Darker above 

 , Paler above 



Cilaucidiuvi brodiei brodiei. 

 . Glancidium cuculnides cuculoides. 



Ni>iox scuinlata malacccnsis. 



Niiiox scntulnta scuttilata. 

 Ninox scutulntn burtiianica. 



6 

 14 



7 

 10 



11 

 12 



13 



15 

 16 



17 



!• Gyldenstolpe, Kunsjl. Sv. Vet. Akad. Handl. M. Baker, Journ. N. H. Soc. Siam, iii, 1919. 



.56, No. 2, 191G. (tti-st part). 



J. Robinson, Jouin. F. M. S. Mus. vii, 1917. Haker, .Timrn. N. H. Soc. Siam. iii, 1919. 



K- Kloss, Ibis, 1918. (second part). 



L. Itobinson and Kloss, Journ. N. IT. Stx;. Siaia, M. I. Baker, .Jouin. X. H. Soc. Siam, iv, 19'io. 



iii, 1919. (thinl part). 



VOL. V, NO. 2, 1922. 



