19. English Carrier ... [140]
20. English Barb ... [145]
21. English Fantail ... [147]
22. African Owl ... [149]
23. Short-faced English Tumbler ... [152]
24. Skulls of Pigeons, viewed laterally ... [163]
25. Lower Jaws of Pigeons, seen from above ... [164]
26. Skull of Runt, seen from above ... [165]
27. Lateral view of Jaws of Pigeons ... [165]
28. Scapulæ of Pigeons ... [167]