THE BIRDS OF SOUTH-WEST AND PENINSULAR SIAM 371 



NECTARINIIDAE. 



SUNBIRDS AND SpIDER-HUNTERS. 



['Bill slender; sexes different, plumage of males in 



I part metallic ; size generally smaller ( Sunbirds ) . . . . . . 2 



j Bill sjtout, sexes alike, plumage not metallic ; 



I, size generally larger (Spider-hunters) .. .. ..14 



SuNBiRDs : Males. 



[Lower mandible distinctly curved downwards, 



2 j bill slenderer . . . . . . . . . . 3 



(Lower mandible straight or nearly so, bill stouter . . . . . . 11 



., j Throat and breast scarlet 

 1 Throat and breast not scarlet 



. (Forehead and tail scarlet Aethopyga mystacalis teinmincki 



[ Forehead and tail not scarlet . . . . . . . . 5 



c, J Forehead dark metallic violet Ae. s. siimraja 



[Forehead dark metallic green Ae. s. cava 



r, J Abdomen yellow . . . . . . ' . . . . 7 



i Abdomen not yellow . . . . . . . . . . 8 



„ j Crown and nape metallic .. .. Ae. }iipalensis nustralis 

 (Crown and nape not metallic . . . . Leptoco}n.a jugularis flauimaxillaris 



Q /Crown bright metallic green, mantle dull black . . . . . . 9 



(^ Crown dark metallic blue or i)urplish, mantle not black .. ..10 



Q (Breast crimson, no yellow lateral tufts .. .. L. b. brasiliana 



(Breast purple, yellow lateral tufts present . . . . Chalcostetha cnlcostetha 



,„( Mantle and abdomen purplish blue .. Leptocoma asiatica infermedia 



[Mantle crimson, abdomen yellowish grey . . Aethopyga saturata anomala 



-., (Underparts striped, a metallic nuchal collar Anthreptes m. macularia 



lUnderparts not striped, no collar .. .. .. ..12 



(Crown and mantle not metallic, only forehead 



12-^ metallic .. .. .. .. A. simplex frontalis 



( Crown, mantle and forehead metallic .. .. .. ..13 



,„ (Cheeks olive, breast bright yellow . . . . ^-1. m. malaccensis 



(Cheeks bright rusty, breast greenish yellow .. A. rhodolaema 



SuNBiRDs : Females. 



( Lower mandible distinctly curved downwards, 



2 \ bill slenderer . . . . . . . . . . . . 3 



(Lower mandible straight or nearly so, bill stouter . . . . . . 10 



A yellow rump band • . . . Aethopyga saturata anomala 



No yellow on rump . . . . . . . . . . . . 4 



Tail and wings washed with red . . Ae. mystacalis temminckl 



No red on tail or wings . . . . . . . . . . 5 



J. (Underside green, sometimes a yellow tinge .. .. .. 6 



(Underside yellow, no green tinge .. .. .. ..7 



li Gyldenstolpe, Kungl. Sv. Vet. Akad. Handl. M. Baker, Journ. N. H. Soc. Siam, iii, 1919. 



56, No. 2, 1916. (first and second parts). 



J. Robinson, Journ. F. M. S. Mus. vii, 1917. M. 1. Baker, op. eifc., iv, 19-20 (third part). 



K. Kloss, Ibis, 1918. M. 2. Baker, Fauna Brit. Ind., Birds, i, 19-22. 

 L> Robinson and Kloss, Journ. N. H. Soc. Siam, 



iii, 1919. 



VOL. V, NO. 3, 1924, 



