collected on the Bed Sea. 3 19 



108. PODICEPS AURITUS. 



In December near Suez. 



109. TlIALASSIDROMA, S}). 



Single individuals and whole flocks seen at the end of 

 September, near Bab-el-Mandeb. 



110. PUFFINUS, sp. 



Some specimens observed on the coast of Somali ; dark above 

 and white below ; size of a turtle. They passed the ship in a 

 very rapid and serpent-like flight. 



111. Rhynchops flavirostris. 



Small flocks in July and August on the Red Sea, between 

 20° N.L. and 14° N. Island of Dahalak. 



112. Larus fuscus. 



Through the whole year in pairs on the Red Sea, and on the 

 Gulf of Aden. Abu Daghaha, Arab. 



113. Larus leucoph/Eus, Licht. ; Bonap. Consp. vol. ii. 

 p. 219. 



Seen near Ras Belul ; more frequent on the Somali coast and 

 in the Gulf of Aden. Mas adult, (hyeme) : Length from the top 

 of the beak to the end of wings 2' 1", wing 16" 5'". Naked space 

 round the eye, deep-red; iris, pale-brown, with many minute 

 black spots ; rictus orange-red ; upper mandible pale ochre- 

 yellow, before the point orange ; under mandible pale greenish- 

 yellow, a spot before the point deep aurora-red ; feet very pale 

 ochre-yellow, membranes somewhat darker. Foem. jun. (hyeme) . 

 Length of wing, 16". Naked space about the eye and iris pale- 

 brownish, the latter also minutely spotted ; beak dirty yellowish- 

 carneous; under mandible a little more plumbeous, a large black 

 band before the top ; feet pale- bluish, membranes carneous. 



114. Larus leucophthalmus. 



Very scarce north of the tropic, but very frequent more to the 

 south. Somali coast. Adjameh, Arab. Long. 16" 6"' (ad ap, 

 caud.), 18" 2 " (ad ap. al.), tars. 1" 9 ". Naked space round eye 

 and beak coral-red, with the point blackish ; iris dark-brown ; 



