02 



BIRDS OF HAWAIIAN ISLANDS 

 Measurements. 



I a 



■A 



113147 



113449 

 113448 

 113450 

 21319 



Collecto* and No. 



Knudsen cfad. 



cfad. 



...do 



...do 



. do $»d. 



Stimpson,y. 379... 9 ad. 



Localit: 



Date. 



Kauai. Hawaiian 273 



Islands. 



...do 221 



.. do 234 



...do n 



Sandwich Islands 224 



First primary molting. 



Nycticorax nycticorax naevius (Bodd.). 



Auku kohili. 



Black-crowned Night Heron. 



(Proc. U. S. Nat. Mus , X, 1887, p. 84.) 



The additional specimen, an adult male, confirms the identification of I 

 this form. It is rather dark, though not much darker than average <\ 

 American skins, and much lighter than specimens from Chili (X. ob- 

 scurus). From the table below it will be seen that the measurement* • 

 are iu excess of those of the Old World birds (of. Proc. U. S. Nat. Mus., 

 x, 1887, p. 269). The Hawaiian Night Heron, therefore, agrees with 

 the American form in every respect. 



'-Fregata aquila (Linn.). 



Man-o'-War Bird. 



Iwa. 



In the first edition of his " Synopsis" (Proc. Boston Sue. Nat. Hist, 

 xn) Mr. Dole enumerated the Frigate Bird under the above specific 

 name, but in 1879 (Hawaiian Almanac) he corrected the identification 

 as erroneous, and substituted for it the name Tachypetes palmerstoni, 

 without stating his reasons for so doing. It seems, however, as if he 

 made the change under the impression that " Tachypetes aguila, a simi- 

 lar but much larger bird of the Atlantic Ocean," is confined to the latter, 

 and that no other species than the small one (the correct name of which 



