1 8 JOTTINGS ABOUT BIRDS. 



42. THE COMMON GULL Lams canus, Linnaeus, 

 is, as its name implies, an abundant winter visitor 

 to the Algerian littoral. 



43. THE SLENDER-BILLED GULL Larus gelastes, 

 Lichtenstein, is said by Loche to occur rarely on 

 the coasts of Algeria. 



44. THE HERRING GULL Larus argentatus cachin- 

 nans, Pallas, a sub-specific form of our well-known 

 Larus argentatus, being a resident in the Mediter- 

 ranean basin, may be fairly classed as a visitor to 

 the Algerian coasts. 



45. THE LESSER BLACK-BACKED GULL Larus 

 Jiiscus, Linnaeus, is a winter visitor to the coasts of 



Algeria. A few pairs are said by Colonel Irby to 

 breed on the coast of Morocco, in April. 



46. THE GREAT BLACK-BACKED GULL Larus 

 marinus, Linnaeus, is a winter wanderer to the coasts 

 of Algeria. The individuals that stray so far to the 

 south are mostly in immature plumage. 



47. THE GLAUCOUS GULL Larus glaucus, Fabricus, 

 wanders as far south as the Algerian coasts in 

 winter, individuals so doing being mostly in im- 

 mature plumage. 



48. THE KITTIWAKE Larus tridactylus, Linnaeus, 

 is a somewhat rare winter straggler to the Algerian 

 coasts. It was only once seen by Taczanowski. 



