Penelope purpurascens, Penelope jacquaçu, and Penelope obscura

23 p. : maps ; 24 cm.Includes bibliographical references (p. 23)

Palearctic birds.

22 p. ; 24 cm.Includes bibliographical references (p. 19-22)

Palearctic birds.

7 p. ; 24 cm.Includes bibliographical references

Notes on titmice

5 p. ; 24 cm.Includes bibliographical references

Variation in chat flycatcher

9 p. : map ; 24 cm.Includes bibliographical references (p. 8-9)

Geographical variation of Ortalis canicollis and Penelope marail

8 p. ; 24 cm.Includes bibliographical references (p. 7-8)

Generic relationships of the Cracini

20 p. : ill., map ; 24 cm.Includes bibliographical references (p. 18-20)

Palearctic birds.

8 p. : ill., map ; 24 cm.Includes bibliographical references (p. 8)

Ortalis guttata, Ortalis superciliaris, and Ortalis motmot

21 p. : maps ; 24 cm.Includes bibliographical references (p. 19-21)

Ortalis garrula and Ortalis ruficauda

16 p. : maps ; 24 cm.Includes bibliographical references (p. 15-16)