Heron

160

45.

Flamingo

162

46.

Studies of Gallinule

168

47.

Egyptian Geese

174

48.

Pintail, Teal, and Shoveller Duck

178

49.

White Pelicans

186

50.

Cormorants

192

51.

Lesser Black-backed Gull and Black-headed Gull

198

Also eleven line drawings in the text.

BIRDS IN MID-AIR

EGYPTIAN BIRDS

PLINY declares that it was by watching the flight of