The Ernst Mayr Library:
Plate I. Corn-Crake (Crex crex), male.
The Ernst Mayr Library:
Plate II. Black-headed Gull (Larus ridibundus), male, in winter plumage.
The Ernst Mayr Library:
Plate III. Golden Plover (Charadrius pluvialis), male.
The Ernst Mayr Library:
Plate IV. Stone-Curlew (Oedicnemus oedicnemus), male.
The Ernst Mayr Library:
Plate V. Kestrel (Cerchneis tinnunculus), male.
The Ernst Mayr Library:
Plate VI. Long-eared Owl (Asio otus), male.
The Ernst Mayr Library:
Plate VII. Short-eared Owl (Asio accipitrinus), male.
The Ernst Mayr Library:
Plate VIII. Nightjar, or Goatsucker (Caprimulgus europaeus), male.
The Ernst Mayr Library:
Plate IX. Greater Spotted Woodpecker (Dendrocopus major), male.
The Ernst Mayr Library:
Plate X. Lesser Spotted Woodpecker (Dendrocopus minor), male.
The Ernst Mayr Library:
Plate XI. Sand-Martin (Cotile riparia), male.
The Ernst Mayr Library:
Plate XII. Spotted Flycatcher (Muscicapa grisola), male.
The Ernst Mayr Library:
Plate XIII. Redwing (Turdus iliacus), male.
The Ernst Mayr Library:
Plate XIV. Wheatear (Saxicola oenanthe), male.
The Ernst Mayr Library:
Plate XV. Garden-Warbler (Sylvia hortensis), male.
The Ernst Mayr Library:
Plate XVI. Willow-Warbler (Phylloscopus trochilus), male.
The Ernst Mayr Library:
Plate XVII. Great Titmouse (Parus major), male.
The Ernst Mayr Library:
Plate XVIII. British Coal Titmouse (Parus britannicus), male.
The Ernst Mayr Library:
Plate XIX. Blue Titmouse (Parus caeruleus), male.
The Ernst Mayr Library:
Plate XX. Golden-crested Wren (Regulus cristatus), male.
The Ernst Mayr Library:
Plate XXI. Yellow Wagtail (Motacilla rayi), male.
The Ernst Mayr Library:
Plate XXII. Meadow-Pipit (Anthus pratensis), male.