6 



LIP^E S BEGINNING ON THE EARTH 



lull Anst v A Giltsch Jena 



Fig. 1. Races op Domesticated Pigeons 

 /, Wild Rock Pigeon (Columba Livia), the common form of origin of all 



domesticated pigeons. 



English Cropper (Columba Gutturosa). 3, 



Nun (Columba Livia Cucullata). 4, Head of the Barb Pigeon. 5, Head 

 of the Wig Pigeon. 6, Head of the Drum Pigeon (Columba Livia Dasypus). 

 7, Head of the English Messenger Pigeon (Columba Tabellaria). 8, Li- 

 vornian Pigeon. 9, African Owl Pigeon. 10, Peacock Pigeon (Columba 

 Livia Laticauda). All these widely different varieties of domesticated 

 pigeons have been developed from one and the same wild pigeon, thus 

 demonstrating the enormous variability of life in the course of several 

 thousand years. 



