1889. A. de Quatrefages. Nouvelle Preuve de l'Extinction récente des Moas.

In: Le Naturaliste 1889, p. 117.

1889. F. C. Noll. Die Veränderung in der Vogelwelt im Laufe der Zeit.

In: Bericht über die Senckenberg. Naturf. Gesellsch. in Frankf.-a.-M. 1887-1888, pp. 77-142.

1890. Stejneger and Lucas. Contributions to the History of Pallas' Cormorant. With plates II-IV.

In Proc. U.S. Nat. Mus. XII, pp. 83-94.

1890-99. Scott B. Wilson & Evans. Aves Hawaiienses: The Birds of the Sandwich Islands. With numerous plates.

1891. Richard Lydekker. Catalogue of the Fossil Birds in the British Museum. London 1891.

(Pages I-XXVII, 1-368. With 75 figures in the text.)

1891. Frederic A. Lucas. Animals recently extinct or threatened with extermination, as represented in the collection of the U.S. National Museum.

In Report of the Smithson Inst. (U.S. Nat. Mus.) 1889 (1891!), pp. 609-649, pls. XCV-CV.

(An account of some of the larger animals which have become extinct within historic times, or are threatened with extinction, with reasons suggested for their disappearance.)