THE NASAL BONES OF BIRDS. 125 
Skulls of Schizorhinal Birds. Page 34. 
3 1. Alcea impennis. 5. Parra (Hydralector) cristata. 
A 2. Larus argentatus. 6. Arctica alle. 
3. Numenius arquatus. 7. Pedionomus torquatus. 
4. Columba livia. 
