ill: I
H I R U N D O A N G O L E N S I S , nocmje.
A N G O L A SW A L L O W .
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HIRUNDO ANGOLENSIS.
H iru n d o angolensis, B o c a g e , J o r n . L isb . 1 8 0 8 , p . -17 ; S h a rp e , P ro e . Zool. Soc. 18(59,
p. 5 6 7 , p l. 4 3 ; B o c ag e , J o r n . L is b . 1 8 6 9 , p . 3 3 9 ; G r a y , IT a n d -l. B . i. p. 0 9 , n o . 794
(1 8 6 9 ) ; S h a rp e , P . Z. S. 1 8 7 0 , p . 3 0 7 ; id . C a t. A fr. B. p . 46 (1 8 7 1 ) ; B o c a g e , O rn .
A n g o la , p. 1 8 0 (1 8 8 1 ) ; S h a rp e , ed . L a y a r d ’s B . S. A f r. p . 3 6 4 (1 8 8 3 ) ; id . C a t. B ird s
i n B r it. M u s . x . p . 1 45 (18 8 5 ).
II . te rg o p urpura sc e iitUcæ riileo ; pileo dorso concolore ; f r o n t e r u f â ; a lâ 1 '/, u ltr a caiulam productA ;
rc c tric ib u s in tù s albo n o ta tis , n ia culis albis magnis, su bc auda libus fumosis.
Hab. in pro v in c ia Angolensi Africæ occidentalis.
A d u lt male. Gen e ra l colour above b rillia n t ste e l-blue , th e wing-coverts lik e th e b a c k ; g r e a te r coverts,
ba sta rd -w in g , p rim a ry -co v e rts, a n d quills b la ck , ex tc ru a lly ste e l-b lu e , slig h tly glossed with gre en ;
ta il-fe a th e rs blue -b la ck , w ith a la rge ovate m a rk o f w h ite o u th e in n e r web, somcwliat decreasing
in size towards th e c e n tre o f th e ta il ; forehead c h e s tn u t ; lo re s and f e a th e rs in f ro n t o f th e eye
velvety black ; c a r-co v e rts ste e l-b lu e , like th e crown ; cheeks, tliro a t, a n d che st c lic s tn u t, th e sides
o f th e l a t t e r ste e l-b lu e , fo rm in g a c re sc en t, which, however, does n o t me e t a cross th e e lie st ;
rem a in d e r o f u n d e r surfa c e o f body smoky b rown, d a rk e r on th e sides o f th e bod y , somewluit
w h ite r on th e c e n tre o f th e ab d om en ; v e n t washed w ith ru fo u s ; th ig h s a n d u n d e r ta il-co v e rts
smoky brown, th e la tte r tip p ed with red d ish white, th e lo n g ones w ith a subtcrmin.al b u r o f bluc -
b la c k ; axillaries an d u u d c r wing-coverts d a rk smoky brown ; quills bla ckish below. T o ta l len g th
6 iuche s, culmen O- l , w ing 3 '9 , ta il ¿ ‘So, ta rsu s 0 ’4.
Hab. Angola und Mossamedes.
T h e r a n g e o f th is Sw allow a p p e a rs to h e v e ry lim ite d , a s i t h a s n o t b e e n m e t w ith
h i th e r to o u ts id e th e lim its o f th e P o r tu g u e s e p ro v in c e o f A n g o la iu M 'e s te rn A f ric a . It
w a s o rig in a lly d isc o v e re d h y th e w e ll-k n ow n t r a v e l le r A n c h ie ta a t P u n g o A n d o n g o a n d
A m h a c a in A n g o la p ro p e r, a n d th e l a t e M r. A lo n te iro a lso p ro c u re d s p e c im e n s a t A m b riz
in M a r c h a n d A p r il 1 8 6 9 . S e n h o r A n c h ie ta a f te rw a rd s m e t w ith i t a t I l u i l l a in M o ssa-
m c d c s, b u t i t bus n o t b e e n o h s c rv e d s o u th o f th e r iv e r C u n e u e .
I t is e a s ily d i s tin g u is h e d from U ir u n d o ru s tic a , n o t o n ly h y th e d iffe re n t p ro p o r tio n s
o f th e w in g s a n d ta i l , h u t b y th e sm o k j'-b row n c o lo u r o f th o low e r p a r ts . I n fo rm it
v e r y m u c h re s em b le s I I . lu c id a from S e n e g am b ia , b u t is a lto g e th e r o f a d u lle r b lu e , a n d
is e a s ily re c o g n iz e d from t h a t sp e c ie s b y th e c o lo u r o f th e u n d e r ta il-c o v e rts . I t s re a l
a llie s a r e to h e fo u u d in th e E a s t e r n sp e c ie s I l i r u n d o ja v a n ic a a n d I I , n e o x e n a \ b u t from