H I R U N D O N I G R I T A , <?my.
W H IT E -G O R G E T E D SW A L L O W .
I l i r u n d o n ig r ila . G ra y , G e n . B . i. p l. 4 0 (1 8 4 3 ) ; id. C a t. F is s ir . B r it. M u s . p. 27
(1 8 4 8 ) ; A lle n & T h om s . E x p e d . N ig e r , ii. p. 4 9 8 (1 8 4 8 ) ; Cass. C a t. I l i r u n d . ¡Mus.
P h ila d . Ac ad . p . 3 (1 8 5 3 ) ; H a r t l . J . f. O. 1 8 5 5 , p . 3 6 0 ; C ass. P ro c . P h ila d . A c ad .
1 8 5 9 , p . 3 3 ; D u C h a illu , E q u a t . A f r. p . 4 7 2 (1 8 6 2 ) ; G r a y , Ha n d -1 . B . i. p . 71,
no. 8 2 9 (1 8 6 9 ) ; S h a rp e , C a t. B ird s in B r it. M u s . x . p. 14 8 (1 885).
A tt ic o r a n ig r ita . B p . C o n sp . i. p . 33 7 ( 1 8 5 3 ) ; H a r t l . O r n . W .-A fr . p . 25 (1 8 5 7 ).
W a ld e n ia n ig r ita , S h a rp e , I b is , 1 8 6 9 , p . 4 6 1 ; id . P . Z. S. 1 8 7 0 , p . 3 0 4 ; id . C a t. A fr.
B. p . 45 (1 8 7 1 ) ; R e ic h e n . J . f. 0 . 1 8 7 5 , p . 21 ; S h a rp e & B o u v ie r, B u ll. Soe. Zool.
F ra n c e , i. p . 3 8 (1 8 7 6 ) ; B o cn g e , O rn . A n g o la , p . 1 88 (1 8 7 7 ) ; O u s t. N o u v . A r c h .
M u s . (2) ii. p . 96 (1 8 7 9 ) ; D e R o e b e b r . F a u n e S é n é g ., Ois. p . 2 17 (1 8 8 4 ) ; B ü ttik o f e r .
N o te s L e y d . M u s . v ii. p . 15 7 (18 8 5 ).
B tg o p r o g n e n ig r ita . O u s t. B u ll. Soc. P h ilom . (7) i. p . 1 00 (18 7 7 ).
A t t ic o r a fa s c ia ta , F o rb e s , I b is , 1 8 8 3 , p. 503.
H . u b ique iu d ig o tic o -n ig r a ; p lag â g u la ri a lb à ; r e c tric ib u s om n ib u s, mediis exceptis, m a cu la maguà
a lb à o rn a tis .
Hab. in Afric â occidentali.
A d u lt. Above glossy p u rp lish blue , witli a concealed p a tch o f silky white on th e sides o f th e lowe r ba ck ;
ch in dusky ; th ro a t w hite ; r e s t of u n d e r surfa c e o f bod y p u rp lish b lu e , b u t a little d u lle r tlian
th e b a ck ; ta il-fc a th c rs d is tin c tly washed with d a rk b lu e above, hrowuisli b la ck below, with tlic
g re a te r p a r t o f th e in n e r web w hite : “ bill aud fe e t b la ck ; iris d a rk b row n ” {Reichenow). To ta l
lengtli 4-5 inche s, culmen 0 ‘35, win g 4-3, ta il P 6 , ta r s u s 0 ’35.
Young. D n sk y p u rp lish blue, th e w h ite th ro a t-sp o t n o t q u ite so la rg e ; ta il sq u a re o r o n ly s lig h tly forked,
a n d th e w hite spots ou th e in u c r web small an d oval.
M r. B ü ttik o fe r sta te s th a t th e w h ite th ro a t-sp o t is p re s e n t even in very y o u n g speeiincns,
th o u g h mixed w ith a few fulvous f e a tlie rs ; th e y a re also said b y th e same obse rve r to be greyish
browu above. “ I u two n o t fully ad u lt specimens, b o th males, th e c h e s t, sides o f b ody, aud u n d e r
ta il-co v c rts a rc a lre ady ste e l-b lu e , th e abdomen ch o co la te -b row n .”
Hab. W e st Africa, a long th e riv e rs from L ib e ria to th e Congo.
HIRUNDO NIGRITA
O x th e c o a s t- re g io n o f W e s t A f ric a th e m o s t w e s te rly r a n g e o f th e W h it-e -g o rg e te d
Sw allow a p p e a rs to b e L ib e r ia , w h e re i t w a s m e t w i th b y M r . B iittik o fe r , w h o w r i t e s :—
“ T h e se ftu e Sw a llow s a r e fo u n d a lo n g th e l a r g e r riv e r s I v is ite d iu L ib e r ia . T h e y c a n