on the Red Sea Coast in Mai/ 1908. 403 



61. BUTORIDES ATRICAPILLUS (Afzel.). 



One example was seen at the edge of the harbour, on 

 April 30th. 



65. SuLA suLA Linn. 



a. ? . Port Sudan, 22. 5. 08. 



The Brown Booby was very plentiful in the harbour and 

 very tame. 



66. Sterna sauxdersi Hume. 

 a. c?. Port Sudan, 26.5.08. 

 A. ?. „ „ 26.5.08. 

 c. S. „ „ 24.5.08. 



Numbers of these dainty little Terns frequented a beach 

 of coral and sand on the south of Port Sudan harbour 

 with a persistence that caused me to spend some time in 

 searching for eggs. The specimens shot, however, were not 

 in breeding condition. 



67. Sterna bergii Licht. 



a. S ■ Port Sudan, 22. 5. 08. 

 A. ?. „ „ 27.5.08. 



68. Sterna media Horsf. 



a. ? . Port Sudan, 27. 5. 08. 



b. ^ . „ „ 24.5.08. 



Both this large Tern and the last were abundant in Port 

 Sudan harbour during May. 



69. Larus fuscus Linn. 



a. ? . Port Sudan, 23. 5. 08. 



The Lesser Black-backed Gull was fairly common in Port 

 Sudan harbour. 



70. Larus leucophthalmus Temm. 



a. S • Port Sudan, 22. 5. 08. 



b. ^ . „ „ 22.5.08. 



c. S ■ „ „ 23.5.08. 



Extremely abundant in the harbour and very tame. 

 Immature brown birds were much more numerous than 

 adults. 



