i l i \
TACHYdNETA CYAKEOVIRIDrs.
/ / f
T A C H Y C I N E T A C Y A N E O V I R I D I S {Bnjant),
B A H A M A SW A L L O W .
H ir u n d o c y a n eo v ir id is , B r y a n t , P ro c . B o s t. Soc. N a t. H i s t . v ii. p. I l l (1 8 5 9 ) ; B a ird ,
R e v iew A m e r . B. p . 3 0 3 (1 8 6 5 ) ; G r a y , H a n d -1 . B . i. p . 72, n o . 8 5 0 (1 8 0 9 ) ;
S a lv in , I b is , 1 8 7 1 , p. 3 07 ; C o ry , B . B a h am a I s l . p . 79 (18 8 0 ).
C a llic h e lid o n c y a n e o v ir id is , B a ird , R e v iew A m e r . B. p . 297 (1 8 6 5 ) ; C o ry , B . M .
In d ie s , p . 73 (1 8 8 9 ).
H ir u n d o {CallioheUdon)cyaneoviridis,'QQ.\v )., B rew e r, & R id gw . H i s t . N . A m e r. B . i.
p. 3 2 7 , n o te (1 8 7 1 ).
T a c h y c in e ta c y a n e o v ir id is , S h a rp e , C a t. B ir d s in B rit. M u s . x . p . 1 2 1 (1 8 8 5 ).
T. u ro pygio dorso concolore : su b tù s a lb u s ; su p ra c au d a lib u s cha lybe is : dorso v iride sc ente : c au d à valdè
fu r c a ta : uro p y g ii la tc rib u s m in im è a lbis : m a culà a lb à su p rao cu la r! n u lla .
Hab. iu in su lis Babamcnsibus.
A d u lt male. Gene ra l c o lo u r above o il-g re en with a ste e l-b lu e gloss, th e la tte r m o re p ro n o u n c ed o n th e
lower rum p and up p e r ta il-c o v e rts ; win g -co v e rts b la ck ish , e x te rn a lly s te e l-b lu e o r b lu ish gre en,
th e le a s t se rie s g re e n e r a n d more lik e th e back ; ba sta rd -w in g , prim a ry -co v e rts, a n d q uills
blackish, ex te rn a lly glossed with s te e l-b lu e , th e secondaries r a th e r b r ig h te r ste e l-b lu e , a n d grc eu
o n th e ir edges ; ta il m u ch forked, th e fe a th e rs b la ck glossed with s te e l-b lu e ; h e ad a n d n e ck like
th e back, as also th e sides o f th e crown a n d u p p e r m a rg in o f th e c a r-co v e rts ; lores bla ck ish , as
also th e fe a th e rs im media te ly below th e e y e ; cheeks, e a r-co v c rts, and e n tir e u n d e r su rfa c e o f
body white, in c lu d in g th e u n d e r w ing-cove rts and axilla rie s, sides o f u p p e r b re a s t lik e tb e b a c k ;
q uills d usky below ; “ bill and fe e t b la ck ” (C. B . Cory). T o ta l le n g th 5-9 inche s, cu lm cn 0-35,
wing -TO, ta il 3, ta r su s O'-io.
Differs from T. thalassinus in its stro n g ly fo rk ed ta il a n d la rg e r size, in th e absence o f th e
white spot above th e eye, and in th e to ta lly d iffe rent c o lo u r o f th e u p p e r p a rts , in which th e r e is
au abso lu te absence o f a ny p u rp lish shade.
Young. Brown above with a s tro n g lu s tr e o f o ily g re en , a little more p ro nounc ed o n th e b a ek and wing-
c o v e rts ; b e ad aud u p p e r ta il-co v e rts m o re so o ty b row n , as also th e u p p e r m a rg in o f th e e ar-
c o v e rts ; cheeks, e a r-co v c rts, and viuder su rfa c e o f body w hite , w ith a p a tc h o f sooty b rown on
tb e sides of th e u p p e r b re a st. T o ta l len g th 5-3 inche s, culm en O'l', w iug 3 ‘95, ta il 2 ‘2,
ta rsu s 0'-15.
Hab. Bahama Islands.
T in s Sw allow h a s a s y e t n o t b e e n m e t w ith aw a y from th e B a h am a s . I t s n e a r e s t a lly
is T . lh a la ss in u s o f N o r th A m e r ic a , h u t i t d iffe rs fr om t h a t sp e c ie s in i t s l a rg e r siz e a n d
s tro n g ly fo rk e d ta il, in th e a b s e n c e o f th e w h ite s p o t a b o v e th e ey e , a n d in t h e to t a l ly
2 p 2