-»^ Collection of Birds 



Colymbidae 



2. Colyinbiis capcnsis ([Lcht.] Salvad.)- Njii'i, U-. VI.; Lake 

 Nakuro, I. W'itli youiv^ ones about two days old on Feb. 15th 

 on a small pool of rainwater, in a wood between Kibwesi and 

 Kilimanjaro. F'requentl)- on the Njiri Lakes and Mcrker Lakes. 

 Very often on Lake Nakuro and Lake Nayasha in January. 



Laridae 



3. Gclochiiido}i iiilotica (Hasselg.). The Masai country, Pangani 

 swamps, Heck Island, YIII. Seen only in numbers on Heck 

 Island in Pangani in August. 



4. Hydrochclidoii Icucoptcra (Schinz). Njiri, 1 1., VI. ; Pangani 

 swamps. Heck Island, VIII ; Lake Natron, IX. Seen often on 

 the Njiri Lakes and on Lake Natron. 



Phalacrocoracidae 



5. Phalacrocorax lucidus lugnbris Riipp. Merker Lakes, XI. 

 This great cormorant was observed by me only on the Merker 

 Lakes, Lake Natron, and the Njiri Lakes. While on the wing 

 it gave out a curious whistling kind of cry. 



6. Phalacrocoi-ax africaniis fGm.). Bagamoyo, VII. Seen 

 everywhere frcquentl\', in the coast region between Dar-es-Salaam 

 and Tanga, as well as on rivers and lakes. 



7. AuJiiiiga riifa (Lacep. Daud.j. Central Pangani, III. 

 Brooding. This strange-looking bird with a snake-like neck I 

 found nesting halfway up the Pangani River. Its nests were 

 in the branches of acacia-trces stretching over the river, about 

 14 or 15 feet above the water. 1 found them only on small 

 islands in the middle of the stream. The eggs are of a bluish 

 colour and covered with a strong coating of chalk. 



Pelecanidae 



8. Fclccaniis rosciis Gm. On the Victoria Nyanza, the 

 Merker Lakes, XI. ; Lake Nayasha, I., frequently. On the 

 Njiri swamps, VM., seldom. 



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