CONTRIBUTION TO THE ORNITHOLOGY OF DANAKIL-LAND. 
279 
Sterna media Horsf. 
Sterna media, Horsf., Tr. Linn. Soc. 1820. p. 199; Reichw., Vög. Afr. I. p. 60 (1900 — 
1901); Kittenb., Aquila 1907. p. 176. 
1 e?, 8 $. Assab, V, VI-VII. 1907. 
Sterna albigena Lichst. 
Sterna albigena, Lichst., Verz. Doubl, p. 98 (1854); Reichw., Yög. Afr. I. p. 65 (1900— 
1901); Kittenb., Aquila, 1907. p. 176. 
3 (J, 4 Ç. Assab, V, VI-VII. 1907. 
28 eggs (14 clutches). Fatmah Island, 11. VII. 1907. 
Sterna Saundersi Hume. 
Sterna saundersi, Hume, Str. Feath., 1877. p. 324. 
Sterna minuta saundersi, Hume, Reichw., Vög. Afr. I. p. 67 (1900 — 1901); Kit¬ 
tenb., Aquila, 1907. p. 175. 
8 cJ, 9 $. Assab, 22. II. 1907. 
2 $. Fatmah Island, 21. V. 1907. 
. Ordo: PELECANIFORMES. 
Fam. SULIDAE. 
Sula sula (L.) 
Pelecanus Sula, Linné, Syst. Nat. I. p. 218 (1766). 
Sula sula, (L.), Reichw., Vög. Afr. I. p. 85 (1900—1901). 
4 <J, 2 Ç. Assab, II—III. 1907. 
Fam. PELECAN1DAE. 
Pelecanus rufescens Gmel. 
Pelecanus rufescens Gmel., Syst. Nat. II. p. 571 (1788); Reichw., Vög. Afr. I. p. 
102 (1900-1901). 
2 <J, 2 $. Assab, I, III, V, VII. 1907. 
1 egg. Fatmah Island, 11. VII. 1907. 
This egg measures 81 mm in length and 51 % mm in breadth. 
