. The birds of South Africa. Birds. 426 LAEID^ LAEUS the seventh primary is barred with black or has a black spot on the outer web. In breeding dress this species has a faint narrow ring of lavender round the neck but the head remains white. Distribution.—Hartlaub's Gull is very common in Table Bay and along the west coast of the colony, extending as far north as Angra Pequena in German South-west Africa. Though it has not been noticed by any observer elsewhere along the south coast of the Colony (Mr. J. G. Brown tells me he has never seen it in Algoa Bay) there is a specimen from Natal obtain
. The birds of South Africa. Birds. 426 LAEID^ LAEUS the seventh primary is barred with black or has a black spot on the outer web. In breeding dress this species has a faint narrow ring of lavender round the neck but the head remains white. Distribution.—Hartlaub's Gull is very common in Table Bay and along the west coast of the colony, extending as far north as Angra Pequena in German South-west Africa. Though it has not been noticed by any observer elsewhere along the south coast of the Colony (Mr. J. G. Brown tells me he has never seen it in Algoa Bay) there is a specimen from Natal obtained by Feilden in the British Museum and it is also stated to be found on the " Madagascar ; This species has been constantly confused with the Grey-headed Gull. Fig. 135.—Head of Larus hartlaubi. x \i and it is therefore diiScult to make an authoritative statement on the subject, but my impression is that the present species is not found much further east than Cape Agulhas. The South African Museum contains examples from Table Bay obtained in February, June, August and December and from Saldanha Bay dated Sep- tember, October; all these have pure white heads; another example from Table Bay not dated, and a specimen obtained at Port Nolloth in September for the British Museum by Mr. Grant, have a distinct lavender ring around the neck; this I take to be the breeding dress of the species. Habits.—Hartlaub's Gull breeds on some of the islands in Saldanha and St. Helena Bays on the west coast of the Colony in very large numbers. The eggs are very variable, passing from greenish stone to buff with markings of purplish or yellowish-brown. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Stark, Arthur Cowell, d. 1899; Sclater, William Lutley, 1863-1944; Sclater, William Lutley, 1863-1944. Faun
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