500 bulletin: museum of comparative zoology. 



48. Anas melleri Sclater. 



Nine adults, both sexes, southern end of Lake Alaotra, and Sahabe 

 River, September. 



49. Nettion punctatum madagascariensis Grandidier. 



Nine specimens, adults of both sexes, southern end of Lake Alaotra, 

 Tulear, Bevero, and Miandrivazo, June, July, and September. 



Madagascan examples are a little smaller, and shorter winged, than 

 African specimens, and are perhaps rather paler, more reddish brown, 

 less dusky below. 



50. Marila innotata (Salvadori). 



Five adults, both sexes, southern end of Lake Alaotra, and Sahabe 

 River, September. 



5L Thalassornis insularIs Richmond. 



Three adults, cf , 9 9 , Berevo, and near Ambatondrazaka, July, and 

 September. 



Phalacrocoracidae. 



52. Phalacrocorax africanus pictllis, subsp. nov. 



Twenty specimens, adults, and immature of both sexes, Miandri- 

 vazo, Maevatanana, Tulear, Berevo, Morondava, and Upper Siribi- 

 hina River, June, July, August, and September. 



Type.— Adult d", M. C. Z. 77,555. Miandrivazo, Madagascar, 

 June 26, 1915. F. R. Wulsin. 



Characters. — Similar to P. africanus africanus (Gmelin) but larger; 

 rectrices broader; spots on wings and scapulars larger, and rather 

 differently shaped, extending straight across the tips of the feathers' 

 (in the African form the spot is usually deeper on the mid-rib than on 

 the edges of the feathers). 



Measurements. — ^Wing, of adults (both sexes included), 218-230; 

 tail 163-171. In seven African skins of P. africanus' africanus 

 (Gmelin) the wing varies from 200-215, the tail 142-154. 



N 



