no HRITISH lilKDS [vol. ix. 



l)eak doMn the other's throat, in an attempt to get the 

 food at second liand, as it had failed to get it at first. 

 It had no success, however. It then went to the adult 

 and secured a meal, but was not granted so long a feed, 

 by any means, as the larger bird. Various other similar 

 cases were observed. It was always the same, the adults 

 showed no discrimination in tending to the require- 

 ments of the smaller young. It was therefore not sur- 

 prising to find a heavy mortality amongst the young 

 Pelicans. 



In conclusion, it may be noted that I have found it 

 to be the habit of the American Crow, Ring-billed Gull, 

 Caspian Tern and Black Tern to incubate from the laying 

 of the first egg. 



