54 



k-o. Ad. ; p, q. 



Pull. ; r. Juv. 



sk. 

 s, t. Ad. sk. 



M. c? juv. sk. 



y. (5' ad. ; w. 



Imm. sk. 

 X. d ad. sk. 



y,z,a'. S $ ad. 



St.; b' . (S ad. 



sk. 

 c'. Ad.sk. 



d'. 2 ad. sk. 



e',f'. Ad. ; 5^', 

 A'. PuU.sk. 

 i'. 2 ad. sk. 



k'. Ad. sk. 

 ^'. Ad. St. 



m'. cJ ad. ; n'. 2 



ad. sk. 

 0'. d ad. sk. 



^'. cf ad. sk. 

 q'. (S ad. ; r' . 



Pull. sk. 

 s'. 2 ad. sk. 



t'. Jup. st. 

 u', v'. (S juv. 



sk. 

 w', x'. Imm. sk. 



y',z'. Ad. etjuv. 



sk. 

 a", 6". c? ad. sk. 



Rio de Janeiro, Mav 30-June 

 26 {J. Young). 



Santa Catharina, S. Brazil 



[Rogers). 

 80 miles S. of Bahia Blanca, 

 Jan. {H. M. Harrison, R.N.). 

 Chuput, E. Patagonia, Nov. 



Port Santa Cruz, E. Pata- 

 gonia (J. M. Campbell). 

 East Falkland Island. 



Falkland Islands ( Capt. 



Abbott). 

 Falkland Islands (Capt. 



Abbott). 

 Falkland Islands, Jan. 



Uranie Bav, Falkland Is., 



Nov. 21, 1842. 

 Magellan Straits ( Weisshaupt). 

 Magellan Straits. 



Elizabeth Is., Magellan Straits. 



Messier Channel, Magellan Strs. 



Port Desire, Aug. {J. Young). 

 Tom Bay, W. Patagonia (Dr. 



Coppinger). 

 Cockle Cove, W. Patagonia, 



Oct. [Dr. Coppinger). 

 Chile (Cuming). 

 Chile {E. C. Reed). 



Coqmmbo Bay, Nov. (Adin. 



A. H. Markham). 

 Callao Bay, Peru, Aug. -Sept. 



(Adm. Markham). 

 Chimbote, Peru, 9° S. lat., Aug. 



(Comm. MacFarlane). 



H. Saunders Coll. 



Salvin-Godman Coll, 

 H. Saunders Coll. 



H. Dumford, Esq, 



[C.]. 

 H. Saunders Coll. 



Antarctic Exped. 



Salvin-Godman Coll, 



J. Gould, Esq. 



H. Saunders Coll. 



McCormick Bequest. 



Salvin-Godman Coll, 



Sir W. Burnett & 



Capt. Fitzroy, R.N. 



[P.J. 



H.M.S. ' Challenger ' 



Exped. 

 H.M.S. ' Challenger ' 



Exped. 

 H. Saunders Coll. 

 Voy. H.M.S. ' Alert.' 



Voy. H.M.S. ' Alert/ 



T. Biydges [C.]. 

 H. Saunders Coll. 



H. Saunders Coll. 



H. Saunders Coll. 



H. Saunders Coll. 



7, Sterna fluviatilis. 



The Common Tern. 



The Greater Sea Swallow, Albin, Nat. Mist. B, iii. p. 81 (1740). 



La Grande Hirondelle-de-Mer, Briss. Orn. vi. p. 203, pi. xix. fig. 1 



(1760). 

 The Greater Tem, Pennant, Brit. Zool. p. 144, pi. 1* (1766) ; id. 



Brit. Zool. 2nd ed. p. 428 (1788). 

 Larus bicolor. Scop. Ann. I. Hist. Nat. p. 81, no. 110 (1769) (imm.), 

 Larus hirundo. Scop. Ann. I. Hist. Nat. p. 82, no. Ill (1769). 

 Larus sterna, Scop. Ann. I. Hist. Nat. p. 82, no. 112 (1709) (imm.). 



