H I R U N D O L E U C O S O M A , fe ,///.,.
W I I IT E -B O D IE I ) C I I IM N E Y -SW A L L O W .
H ir u n d o leucosom a, Swaiu s. E . "W. A f r. ii. p . 71 (1 8 3 7 ) ; F r a s e r , P . Z. S. 1 8 1 3 , p. 51 ;
G r a y , G e n . B . i. p . 5 8 (1 8 1 5 ) ; id . C a t. F iss. B r i t . M u s . p . 21 (1 8 1 8 ) ; B p . C o n sp .
i. p. 3 3 9 (1 8 5 0 ) ; I l a r t l . J . f. O. 1 8 5 3 , p . 3 9 8 ; id . O rn . W .-A fr . p . 27 (1 8 5 7 ) ; id.
J . f. O. 1 8 6 1 , p . 1 0 3 ; S h a rp e , Ib is , 1 8 6 9 , p . 1 8 8 ; G ra y , U a n d -l. B. i. p . 70, n o . 827
(1 869) ; S lia rp e , P . Z. S. 1 8 7 0 , p . 3 0 9 ; id . C a t. A f r. B . p . 1 6 (1 8 7 1 ) ; S h e lle y A
B u c k le y , Ib is , 1 8 7 2 , p . 2 88 ; U s s h e r , Ib is , 1 8 7 1 , p . 62 ; D c B o c h e b r . F a u n . S é iiég .,
O is. p. 21 8 ( 1 8 8 1 ) ; S b a rp e , C a t. B ird s B r it. M u s . x . p. 1 1 7 (1 8 8 5 ).
C h e lid o n leu co som a , B o ie , Is ìs , 1 8 1 1 , p . 171.
H em ic e c ro p s leucosoma, B p . l l iv i s t . C o u tem p ., T o riu o , 1 8 5 7 , p . 1.
77. te rg o c ajrnleo, uropygio dorso concolore ; fro n te pileo concolore ; g u ttu r e e t corporc to to in fe rio re pu rè
a ib is ; te c tric ib u s a la rum m a joribus iu tim is e t s c cutida riis iiitiin is e x te rn é albis, fa sc iam lo n g itu -
dina lem a lb an i forman tibus.
Hab. in A fric à o c c identa li c is-eq u a to ria li.
Adult. Above d a rk glossy b lu e ; a white lo n g itu d in a l b a r o n tlie win g , w lu d i is p roduc ed b y th e in n e r
g r e a te r coverts and secondaries b e in g fo r tlie m o st p a r t bro ad ly e dged c x te ru a lly w itli p u r e white ;
ta il g rad u a ted , d a rk b lu e aliove, d usky bcn c a tb , all th e fcather.s exc ept tlic tw o m iddle ones ma rk ed
with white on th e in n e r web, th e ex te rio r fc a th e re h av in g a la rg e oval spot, which g r a d u a lly g e ts
sma lle r on th e fe a th e rs as tlicy a pproa ch th e c en tre o f th e ta il, till in th e two n e a re s t to th e c en tra l
f e a th e rs i t is reduc ed to a small oval spot ; e n tire u n d e r su rfa c e with th e u n d e r win g - and ta il-
covc rts p u re w h ite ; bill aud fe e t b la ck. T o ta l len g th 4 '8 inche s ; o f bill from f ro n t 0 '3 , from
gape 0 '4 5 ; wiug 4, ta il 1 '8 , tai-sus 0 '3 , middle to e 0 '4 , liind to e 0 '2 , la te ra l to e 0'2.
Hab. W e s t Africa, from S enegam bia to Gaboon.
T h i s v e ry d i s tin c t sp ec ie s o f C h im n e y -Sw a llow w a s firs t d e s c rib e d b y S w a in s o n from
a G am b ia n s p e c im e n ; a n d D r . do B o c h c b r u u e s ta te s t h a t i t h a s b e e n m e t w ith u t
C a sam e n e e , M e la c o re o , Zekinkioi*, a n d D a r a n k a in S e n e g am b ia , b u t i t is I’u re in t b a t
p a r t o f W e s t A f r i c a ; th e n a t iv e n am e is, a s u s u a l, “ X 'J a r g a ig n e .” I u th e B r i t is h
M u s e um a r e sp e c im e n s Irom F u n te e a n d from A c c r a o n th e G o ld C o a s t, th e l a t t e r
o b ta in e d b y C a p t. l l a y u c s . T h e l a t e M r. L . F r a s e r a lso p ro c u r e d i t in th e l a t t e r l o c a l i ty ;
b u t i t a p p e a rs to b e b y n o m e a n s p l e n tifu l, a s C a p t. S h e lle y a u d M r. T . E. B u c k le y s ta te
t h a t th e y o n ly m e t w itli i t o c c a s io n a lly . T h e l a t e G o v e rn o r U s s h e r h a s w r it t e n th e
lo llow in g n o t e :— “ N o t v e ry c om m o u iu F a n t e e , a lth o u g li o c c a s io n a lly m e t w ith a b o u t
b 2