56 TEENS. 



sooty-black; the feathers of the tail are not white at base, 

 but the outer is Fig. 69- 



nearly white, 

 dark on terminal 

 portion of inner < 

 web only; mid- 

 dle of inner web 

 of outer primari- 

 es, gray, and the 

 horns of lunette 

 extend only to 

 middle of eye, fig. 

 69. Young, sooty 

 brown throughout F 9 C, f . 2. 1-6. 



paler below ; wing coverts and scapularies narrowly but dis- 

 tinctly tipped with white. Cries, harsh ; ordinary note, 

 "Quanti", repeated irregularly; alarm note, "^>//-tf" rap- 

 idly repeated; also gives a harsh, snarling cry as a signal 

 for darting downward through the air. Flight, rather heavi- 

 er and less graceful than in 1. Range, similar to 1 in gener- 

 al, but breeds commonly on the Tortugas Islands, Fla. and 

 occurs regularly, but rarely along the coast to S. C. and cas- 

 ually to N . E. Abundant. 



g. Short-tailed Terns. Hydrochelidon. 



Fig. 70. Size small; Mantle, deep 



plumbeous; bill, slender, 

 black or dark-brown ; tail, 

 shorter than tips of fold- 

 ed wings and but slightly 

 forked.^ Eggs 3, 4, averag- 

 ing darker than any others 

 in the family. 

 AMERICAN BLACK 



TERN. H. SURINAMKNSI8. 



Dark plumbeous above be- 

 coming sooty black on 

 * C T ! 1-5* Ji nape, head, and wings; 



