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T A C H Y C I N E T A A L B I V E N T R I S [Bodi).
W H IT E -W IN G ED SWALLOW.
I l i r o n d e l l e à v e n tr e hla n c d e C a yen n e , D a iib e n t. P L E n l. vii. p l. 54G. fig. 1.
W h ite -w in g e d Sio a llow , L a tb . G e n . S y n . ii. p t . 2, p . 57 7 {1783).
I l i r u n d o a lb iv e n te r , B odd. T a b i. P l. E n l . p . 32 (1 7 8 3 , e x D a u b c n t.) ; G r a y , Gen . B.
i. p . 58 (1 8 4 5 ) ; id . Hand-1. B . i. p . 71, no. 8 43 (18 6 9 ).
I l i r u n d o leu c o p te ra , Gm . S y s t. H a t. i. p . 1 0 2 2 (1 7 8 8 ) ; H e uw ie d , B c itr. H a tu r g .
B ra s . iii. p . 3 6 3 (1 8 3 0 ) ; D ’O rb . & L a f r . S y n . A v . p . 6 9 (1 8 3 7 ) ; C ab . in S cliomb.
R e is . G u ia n . iii. p . G72 (1 8 4 8 ) ; T s c liu d i & C a b . E a u n . P e r n a n . p . 1 3 2 (1855).
R e r s e le u c o p te ra . B p. C onsp. i. p . 3-41 (1850).
P e tr o c h e lid o n leu c o p te ra , Cab. A lu s. H e in . T h . i. p. 4 9 (1850).
P e tr o c h e lid o n a lb iv e n te r, Cass. C a t. H i r u n d . Alus. P liila d . A c a d . p. 5 (1853).
C o ty le leu c o p te ra , B u rm . T h . B ra s . iii. p . 1 4 3 (1 856).
P e tro c h e lid o n a lb iv e n tr is , S c la te r , C at. A m e r . B . p. 41 (1SG2) ; id . & S alv . P . Z. S.
1 8 0 6 , p . 1 78 ; P e lz . O rn . B ra s . p p . 1 7 , 402 (1 8 7 1 ) ; id . Ib is , 1 8 7 3 , p. 108.
R i r u n d o a lb iv e n tr is , B a ird , R e v iew A m e r. B . p . 30 3 (1 8 6 5 ) ; Sci. & S a lv . P . Z. S.
1 8 6 7 , p . 5 6 9 ; W y a t t, I b is , 1 8 7 1 , p . 3 23 ; L a y a rd , I b is , 1 8 7 3 , p . 3 7 8 ; Sci. &
S a lv . H om e n c l. A v . H c o tr . p . 14 (1 8 7 8 ) ; iid . P . Z. S. 1 8 7 3 , p. 358 ; iid . P. Z. S.
18 7 9 , p . 5 9 5 ;' Tac z. P .Z . S. 1 8 8 2 , p . 8 ; id . O ru . P é ro u , i. p . 23 9 (1 8 8 4 ) ; S b a rp e ,
C at. B ii’ds in B r i t . A lu s. x . p p . 1 1 3 , 6 3 0 (1885).
? R i r u n d o leu c o rrh o a , E o rb e s , I b is , 1 8 8 1 , p p . 3 1 5 , 329.
T. uropygio albo : tectrÌcibus alarum e t seeundariis albo late margiuatis.
Hab. in Amcricà meridionali.
Adult male. General colour above glossy steel-blue, rather greener on the back, tlic bind neck and
mantle mottled with white bases to the feathers; wing-coverts like the back; inner greater
coverts and secondaries blue-black, broadly and conspicuously edged with white ou the outer
webs and round the tip ; the bastard-wing, primary-coverts, and primaries black, glossed witli
dull steel-blue externally ; lower back, rump, and upper tail-covcrts wliitc, witli blackish shaft-
lines; longer upper tail-coverts steel-binc ; tail-feathers blackish glossed with stccl-blue, with
white bases to the inner web; lores and feathers below the eye velvety black; car-covcrts and
sides of neck glossy steel-blue like the head ; cheeks and entire under surface of body pure wliitc,
including the tliiglis and under tail-coverts, under wing-covcrts and axillaries ; qnills dusky
below: “ legs greyish browu ; iris greyish brown ” (Neuwkd). Tota! length 4 ’8 inches, eulmen
0-4, wing -I, tail 1‘9, tarsus 0-45.
2 s