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FAMILY FREGATIDJE. 



Tail deeply forked ; webs between toes deeply emarginated. 



GENUS FREGATA. Bill long and strongly hooked at extremity ; nostrils 

 basal and linear and in a groove. A large naked gular pouch. Wings 

 long and pointed ; tarsus short and feathered. 



734. F. aquila, Linn. (Tachypetes aquila, Vieill. ; T. minor, Gmelin), 



Frigate-bird. 



Male. Plumage of upper surface glossy greenish-black ; breast 

 and sides black ; no white patch on flank. Culmen, 3 '6 to 4 '4 in. ; 

 wing, 20 '5 to 25 '8 in. 



Female. Upper surface without glossy green; breast and sides 

 white ; no white neck collar at rear. Culmen, 4 - 3 to 5'2 in. ; wing, 

 22. 9 to 26-7 in. 



Young. Head, neck, upper chest, and middle of abdomen white, 

 brown beyond. 



Hab. : 1, 2, (4). 



735. F. Uriel, Gld. (Attagen minor, Ramsay's Tab. List; Tachy- 



petes minor, nee Gmelin, Gould's Handbook, ii.), Lesser Frigate-bird. 



Male. Upper surface greenish-black (oil-green and metallic- 

 green) ; breast and sides black ; a white patch on each flank. 

 Culmen, 2 '8 to 3 '5 in. ; wing, 19 '2 to 21 in. 



Female. Little trace of metallic gloss ; breast and &ides white ; a 

 white collar at rear of neck. Culmen, 3*2 to 3'6 in. ; wing, 20 to 

 20-8 in. 



Young. Head and neck white ; breast, sides of abdomen, lower- 

 neck and upper parts brown ; middle abdomen and flanks white. 

 Hab. : 1, 2. 



FAMILY PHAETHONTIDJE. 



Webs between toes only slightly emarginate. Middle tail feathers greatly 

 produced. Bill compressed and pointed ; nostrils clear and linear. 



GENUS PHAETHON. Bill compressed, pointed, slightly curved all over ; 

 nostrils linear and distinct. Middle pair of tail feathers greatly 

 attenuated. 



736. P. rilbricailda, Bodd., Red-tailed Tropic-bird. 



General colour white, with roseate tinge upon it ; a black line 

 passes through eye and ends in a crescent above the gape ; outer 

 primaries have their outer webs white to the base ; the very long 

 slender middle tail feathers carmine, with black shafts ; tail, 17 to 

 18 in. ; tarsus, 1*2 in. 



Young. Barred with black upon the upper surface. 

 Hab. : 1, 2, (4). 



737. P. lepturUS, Daudin (P. candidus, Temm.), White-tailed Tropic- 



bird. 



Plumage white ; outer primaries have most of the outer webs 

 black ; black on outer web of outer primaries stops at an inch or 

 more from tip ; the third primary nearly as widely tipped with 

 white as the first ; the long tail feathers whitish ; bill yellow at 

 terminal one-third. 



Young. Upper surface barred. 

 Hab. : 2, 3. 



FAMILY PELECANID^E. 



Bill long and flattened, with external nostrils. 



GENUS PELEC ANUS. Bill very long, broad, and flat ; a median bar 

 runs the length of it. A very large distensible gular pouch. Wing8 

 large ; tail small. 



