AVES 



LARID/E. 185 



from the Governor to collect a few. The hills behind the town are cov- 

 ered with forests of beech trees [Fagus antarctica). We left Punta Arenas 

 on Feb. 3rd." (M. J. Nicoll, Orn. Jour. Voy. round World, Ibis, Jan. 

 1904, p. 41-42.) 



Sterna maxima Boddaert. 



Hirondelle de Mer de Cayenne, D'Aubent, PI. Enl. IX, pi. 988. 

 Grande Hirondelle de Mer de Cayenne, Buff. p^ 



Hist. Nat. Ois. VIII, p.346 (1783). 

 Sterna Jiiaxhna, Bodd. Tabl. PI. Enl. p. 58 



(1783); Scl. & Salv. P. Z. S.1871, p. 567; 



iid. Nomencl. Av. Neotr. p. 147 (1873); 



Saunders, P. Z. S. 1876, p. 655, 1882, p. 



521; Burm. An. Mus. Nac. Buenos Aires, 



III, part X, p. 248 (1888: North and Cen- stema ,.axLa. Profile of 



tral Patagonia); Scl. & Huds. Argent, head. Adult male. 4773 P. u. 



Orn. II., p. 195 (1889); Saunders, Cat. O- C. Breeding. About >^ nat. 



Bds. Brit. Mus. XXV., p. 80 (1896); Sharpe, "'■^' ''"^• 

 Hand-List, Bds. I. p. 135 (1899); Gates, Cat. Bds. Eggs, Brit. Mus. 

 I. p. 187 (1901). 

 Cayenne Tern, Lath. Gen. Syn, III. pt. 2, p. 352 (1785). 



General description. 



5/^^. — Adult, Breeding. (Male, 4773, P. U. O. C. Cobbs Island, 

 Virginia, 16 May, 1881, W. E. D. S.). Total length, about 21 inches. 



Wing, 14.2 inches. 



Tail, 8.1 inches. 



Tail (depth of fork), 3.7 inches. 



Culmen, 2.75 inches. 



Tarsus, 1.4 inches. 



Co/or. — Adult, breeding (spec. cit.). General color above pearl grey, 

 white on neck and with black cap ; below pure white. 



Head : With a black cap, reaching down on sides to a line level with 

 the lower eyelid, which is white, interrupting the continuity of the line of 

 the cap. The black of the cap occupies the upper half of the loral region. 

 The feathers of the occipital portion of the cap are acuminate and pro- 



