Field Notes 0)1 the Birds of Oahu. 35. 



face excepting the neck, which with the forehead is pure white; 

 top of head and lores, jet black ; wings, mandible, top of neck, all 

 sooty black. This specimen's measurements* were as follows: 

 Length, 18.25; wing, 11.87; t^^^- 5- 19; the two outer feathers^ 

 8.25; culmen, 1.81; its depth at nostril, .37; tarsus, .93; mid-toe 

 and claw, 1.19. Palmer found this tern nesting on lyaysan and 

 French Frigates Shoals. 



79. Anous Stolidus, Linn. Noddy. 



All the birds of this species shot at Moku Manu on January 4 

 were in dull winter plumage of uniform sooty brown ; top of head 

 hoary gray merging gradually into sooty brown on the hind neck ; 

 lores, bill, feet, wings and tail black. The reproduc1:ive organs 

 were ver}' minute, in strong contrast to the organs of the Sooty 

 Terns taken on the same day. Length, 17.5; wing, 10.5; tail,, 

 6.19; culmen, 1.64; its depth at nostrils, .37; mid-toe and claw, 1.60.. 



One specimen, an immature male taken at Moku Manu 

 January 4, gives the following measurements: Length, 17.5; 

 wing, 1 1.6; tail, 5.63; tarsus, r; culmen, 1.39; its depth at nos- 

 trils, .43 ; mid-toe and claw, 1.46. This specimen, while exceeding 

 the largest measurements of the adult shows unmistakable signs of 

 immaturity in the dark line along the upper wing-coverts, a gen- 

 eral lighter color to the plumage and a soft bill. This specimen 

 has the gray coloring of the head confined to the forehead ; super- 

 ciliary stripe almost pure white ; lores, black ; abdomen with a 

 decided grayish ca.st ; faint fieckings of gray appear on the under 

 wing-coverts ; bill, black, shorter and stouter than in mature birds, 

 with a prominent keel ; wings, black ; feet and tarsus a blackish 

 brown. The mantle has less plumbous, and the wing-coverts are 

 much lighter than in the mature bird. 



Anous hawaiiensis, Rothsch. Noio. 

 Hawaiian Tern. 

 December 23, while shooting near a shallow pond on the east 

 coast of the island, four of these graceful terns came flying past 

 and I secured three. These have the upper part of the head, top 

 and sides of neck, lavender gray, much lighter on the head and 

 merging into sooty black on the upper mantle. Lores, throat, 



*The measurements in the foHowing paper are all in inches, and tog^ether with the color 

 markings were taken from specimens in the flesh. 



