Ki:v 'i-o 'II lie \\\ri.:K 



I^en-th. 14: Win- 12: Tail, 5.50: Hill. ,.40: Tar- 

 sus, 1.30. Forehead not white; crown, inrhid- 

 wj; forehead, hlark : ujiper parts i>carl -ray : niuItT 

 parts white : bill comparatively short :uu\ thick; 

 bill and feet black. 



Lcn-tl,. «»..-,(): Wino, N.30: Tail. 3.60: nil), ,.,0: 

 1 arsus. .70. Adult in summer — under parts black. 

 Adult in winter — under parts white ; bill black ; 

 feet dusky brown. 



I-en-th. <>.2r»; Win- 7: Tail, 3.50 ; liill, i..^o; Tar- 

 su.s. .65. I'nder parts white ; bill and feet yellow. 



I>s oi' ll.OKiDA. 



47 



(ielochelidon niiotica. 

 (iulhbilled Tern. Sec 



Hydrochefidon nij»ra 

 mensis. 

 Black Tern. See 



Sterna antillarum. 

 Least Tern. See 



pa,<;e 191 



surma= 



pa-e 199 



page 197 



Family RHYNCHOPID.E. Skimmers. 



Rhynchops nigra. 



Length, IS to 20; Wing, 15 ; Tail, 5.50; liill (cul- 

 men), ..70; (ionys, 4.25. Bill thin, knife like, 



lower mandible the longer, hasal half of hill 

 vermilion red, blackish at tip. (leneral plumage 

 black, white beneath. 



Rhynchops nigra. 

 Black Skimmer. See page 200 



