THE BIRDS OF ALGERIA. 17 



34. THE CASPIAN TERN Sterna caspia, Pallas, is 

 not known to breed in Algeria, but there can be 

 no doubt of its visiting the coasts during winter. 



35. THE SANDWICH TERN Sterna cantiaca, Gmelin, 

 is not known to breed, but the same remarks apply 

 as those concerning the preceding species. 



36. THE COMMON TERN Sterna Jluviatilis, Nau- 

 mann, is said by Taczanowski to be rare, but is 

 not known to breed. 



37. * THE LESSER TERN Sterna minuta* Linnaeus, 

 is not known to breed in Algeria, but is a winter 

 visitor or nomadic migrant. According to Tac- 

 zanowski, it is very common on the coast near Stora. 



38. THE ALLIED TERN Sterna media, Cretzsch- 

 mar, is said by Loche to be an occasional visitor 

 to the coasts of Algeria. 



39. THE MEDITERRANEAN BLACK-HEADED GULL 

 Larus melanocephalus, Natterer, is not known to 

 breed in Algeria, but is a rare visitor to the coasts. 



40. THE BLACK-HEADED GULL Larus ridibundus, 

 Linnaeus, is a winter visitor to Algeria, " common 

 on the coasts and at the mouths of rivers/' 

 according to Taczanowski. 



41. THE LITTLE GULL Larus minutus, Pallas, 

 is probably a winter visitor to the coasts of Algeria, 



but its distribution is little known. 



c 



