On the skeleton of Toxochelys latiremis [by] O. P. Hay.

v.1:no.5(1896)

On certain portions of the skeleton of Protostega gigas [by] O. P. Hay.

v.1:no.2(1895)

On some collections of fishes made in the Kankakee and Illinois Rivers [by] O. P. Hay.

v.1:no.4(1896)

On the structure and development of the vertebral column of Amia [by] O. P. Hay.

v.1:no.1(1895)

Nature et faune : revue internationale pour la conservation de la nature en Afrique = Wildlife and nature : international journal on nature conservation in Africa.

2.3-4

Nature et faune : revue internationale pour la conservation de la nature en Afrique = Wildlife and nature : international journal on nature conservation in Africa.

6.4

Nature et faune : revue internationale pour la conservation de la nature en Afrique = Wildlife and nature : international journal on nature conservation in Africa.

21.2