dur'inq a Journey through Portuguese Nyassaland. 77 



eight. The flight appeared to differ in some degree from 

 that of other Swallows, consisting, when I observed it, of a 

 succession of darts at insects followed by poises, when the 

 birds remained nearly motionless with fluttering wings, 

 not at all dissimilar to the habit of some of the smaller 

 Falconidse. 



22. PsALiDOPROCNR IIOLOMEL.ENA, Black Rough-winged 

 Swallow. 



A small flock of what I took to be these Swallows were seen 

 late one afternoon (early August) flitting around the large 

 shade-trees on the banks of the Lugenda River. 



23. Scopus umbretta. Hammerkop. 

 Met with near all the rivers on the route. 



24. Herodias garzetta. Little Egret. 



Met with at Ibo and Kissanga, and a few seen on the 

 Lugenda. 



25. Melanophoyx ardesiaca. Black Heron. 

 One seen on the Lugenda. 



2^. Hagedashia hagedash. Hadadah. 



Seen in small flocks on the Lugenda and Msalu rivers. 



27. Nyroca erythrophthalma. South African Pochard. 

 Met with on the Lugenda. 



28. ViNAGO delalandii. Green Pigeon. 



Not met with until reaching the eastern shore of Lake 

 Nyassa. 



2^. Turtur capicola tropicus. Tropic Turtle-Dove. 

 Very common all along the route. 



30. CEna capensis. Namaqua Dove. 



Not seen east of the liUgenda River; here in the old lands, 

 however, a considerable number were observed. 



31. Chalcopelia afra. Emerald-spotted Dove. 

 Occurred in pairs and very common from the coast to the 



Lngfmda River ; west ol' that point no more were seen. 



