FULVOUS TREE DUCK 131 



The usual range of the species in South America is, however, the valley of the La Plata. The birds 

 are somewhat migratory in this region, breeding about Buenos Aires and wintering more commonly 

 in northern Argentina (Cooke, 1906). Its breeding in considerable numbers about Argentina 

 Buenos Aires is vouched for by Hartert and Venturi (1909), P. L. Sclater and Tjrumiav 

 Hudson (1889), and Durnford (1878). Aplin (1894) and Tremoleros (1920) have 

 recorded it for Uruguay, while in Brazil it is regularly found in Rio Grande do Sul 

 (Cooke, 1906; H. and R. von Ihering, 1907). Cooke (1906) regards more northern records, such 

 as Port Capuno and Rio Belmonte as accidental occurrences, but I think that considering 

 Burmeister's (1872) report for Parana, Wied's (1832) for Porto Seguro, and von Iherings' (1907) 

 for Bahia, we must regard the species as of regular though not common occurrence on the 

 coast, possibly as far north as 10° south latitude. According to Goeldi (1894-1900) it is found 

 occasionally even on Marajo Island in the mouth of the Amazons. If this information is correct it may 

 be that the birds inhabit various localities on the entire coast, from the Guianas to the Argentine. 

 In the interior the species breeds in southern Paraguay, north to Asuncion (Cooke, 1906) Paramiav 

 while Kerr (1901) found it common on the Lower Pilcomayo. Farther west it breeds in 

 northern Argentina, in Tucuman (Burmeister, 1860), in Chaco, and at Salta and Oran North 

 (Hartert and Venturi, 1909; Bruch, 1904). It has been recently observed also in Cor- gen a 

 rientes Province (Marelli, El Hornero, vol. 1, p. 76, 1918), and in the Province of Buenos Aires (Har- 

 tert and Venturi, 1909; Gibson, 1920). There appears to be only one record of its oc- „... 

 currence in Chile, at Paine, Province O'Higgins, 34° south latitude (Quijada, 1910). 



In Africa, this species seems to be confined to the eastern half. No reliance is to be placed on Roche- 

 brune's (1883-85) statement that it is very common and resident in Senegambia. G.R.Gray in his 

 "List of Birds in the British Museum" (vol. 3, p. 131, 1844), under the name Dendro- . , . 

 cygna arcuata lists a specimen from the "interior of Africa." Salvadori (1895) gives the 

 reference for Lake Chad. I have been unable to trace this record any farther. At best Lake 

 it is unusual. There is, however, one other specimen from the west coast, from Landana Chad 

 at the mouth of the Congo, collected by Lucan (Barboza de Bocage, 1877-81). This, Congo 

 too, must be regarded as exceptional until further records are at hand. In the east the species seems 

 to be confined chiefly to the regions about the course of the Nile, and about the great lakes. The 

 northernmost records for the Nile are those for Kordofan and Senaar (von Heuglin, Kordofan 

 1869; Finsch and Hartlaub, 1870; Kotschy, fide Reichenow, 1900). Von Heuglin found the birds 

 common in this region, but did not know whether they are resident or not. Farther south on the 

 Nile the species was found at Kaka (A. L. Butler, 1905) and apparently extends east . , 

 through Abyssinia, having been repeatedly recorded by Salvadori (1884, 1888) from 

 Lake Cialalaka in Shoa. Undoubtedly it occurs everywhere between the Nile and 40° Lado 

 east longitude. West of the Nile the birds were found in Lado (Emin Pasha, fide ° 

 Reichenow, 1900) and at Kageji (Reichenow, 1887). It is not very common, but breeds about 

 Lakes Nakuru and Magadi, British East Africa (van Someren, 1916). Recently British 

 Sjostedt's (1910) investigations have shown that the species occurs, though not com- East Africa 

 monly, in July and August about the Natron Lakes, Kilimandjaro. Dubois (1886) has recorded it 

 from Lake Tanganyika, while about Lake Shirwa and the Shire River (Somba and -_ . . 

 Fort Johnston) it appears to be common and breeding (Hartert, 1898; Shelley, 1894). 

 Farther inland it has been recorded by Salvadori (1914) near Lake Bangweolo, Rhodesia 

 northern Rhodesia and it was seen on the Upper Zambesi at Sesheke (Holub and Bechuana- 

 von Pelzeln, 1882), and farther south on and about Lake Ngami (Fleck, 1894; Stark land 

 and Sclater, 1906). Recently it has been recorded even from Natal (Chubb, Journ. Natal 

 So. African Ornith. Union, vol. 8, p. 1, 1912). As to the migration, we have no 

 definite information on Africa, but from the few cases in which dates are given, it may be said that 

 a general north and south movement takes place and that the birds move toward the warmer 



