90 



7 H. lriKMM'apillllS, Gld. (Annus leucocapillus and A. melano- 

 i, Gray), White-capped Noddy. 



ah white; lores deep black : cheek a deep plumbeous ; genera] 

 plumage sooti to bluish-black. 



I ball - i, 13 in. ; culxnen, 2 in. : wing, 9 in. ; tail, 4*8 to 5 in. ; 

 tarsus, 9 in. ; middle toe with (law. 1 1 in. 

 Hal..: 1, 2. 



GYGI8. Tail graduated, outer pair of rectricea shorter than 

 next pair ; hill stout at luse, pointed ; plumage pure white ; toes 

 alender. 



868b ii. ramliria, <imelin, White Tern. 



Entire plumage pun' white ; the second feather from the outside 

 tin- longesl : shafts usually browniah. 

 Total length, 12 to i:> in. ; culmen, 1'8 in. : depth behind nostril, 



0-4 in. : wing, !>•.">; tail, 4*2 to 4") in. : tarsus, 0'6 ; middle toe 

 witli claw, 1 I in. 



Hah. : 1, 2, 3, 4. 



SUB-FAMILY IiARlNJE. 



bill witli upper mandible longer ami bent down over tip of inferior one. 



GENUS — LAB US. — Nostrils linear or linear-ovate ; tail square. 



»'.."!). L. nOYJe-hollandise, *teph (includes L. (Xema) gouldi, Bparte., 

 and L. (Xema) longiroatria, Masters; Bruchigavia jamesoni, Bparte.), 



Silver Gull. 



Bead, neck, tail, and under coverts white ; bill red ; inner web of 

 firsl quill mostly black; wing, 12 in.; third quill with a white 

 mirror in full adult. 



Young.— Bill and feet sombre ; wing coverts freckled. 

 Bah. : 1. •_'. :;. 4, •"",, ti. 9 



GENUS < • A HI AN US. — Nostrils very small, ovate ; tail square. 



titiO. (.. iKK'ificils, Lath. (Larus pacificus), Pacific Gull. 



Head, neck, tail coverts, and under surface white; rectrices white 

 baaally, at the tips broadly banded witli black on all excepl the 

 outermost pair, which are white in matured birds and black on the 

 inner webfl in average examples; scapulars Blightly tipped with 

 greyish-white ; secondaries with broader white tips ami dark Lead- 

 coloured upper parte; primaries blackish, with white tips from the 

 fifth upwards. 



Young Brown and mottled or brown and maturing white in 

 second v<a- 



II ab. : 2, 3, 4, 5, G, 9. 



FAMILY- STKRCORAKIIIU: 



bill witli a cere ; sternum with only one notoh on each aide of \« - 



margin : claws large, strong, hooked. 



\l K< rALBSTRIS, Centre pur of red rices projeel <»■;, in. 

 M. antnrrf irn. I'-- < Lestris catarractes, IVinm. ; Stercorariua 

 antarotfcua, I •< >> . Skua. 



Plumage aooty-brown; back little streaked; bases oi priinariea 



white. 



Total length, 2\ io 24 in. ; culmen, 2*2 to 2'fi in., and depth 1 in. j 

 i.. to 17 m : tail, 6'fi" to 7 in. ; taraua, 2*7 to 3*2 in. \ middle 

 .'. it ii claw, 2*9 to :> 2 in. 

 Bab. : 2, 3. t, 5, 6, 9. 



