Contains a useful list of references on Amphibians.
Porter, J. P.
1904. A Preliminary Study of the Psychology of the English Sparrow. Amer. Jour. Psychol., Vol. XV, pp. 313-346.
1906. The Habits, Instincts and Mental Powers of Spiders, Genera Argiope and Epeira. Amer. Jour. Psychol., Vol. XVII, pp. 306-357.
1906. Further Study of the English Sparrow and Other Birds. Amer. Jour. Psychol., Vol. XVII, pp. 248-271.
Includes the Vesper Sparrow, Cowbird, Common Pigeon, Passenger Pigeon, and Red-headed Woodpecker.
1910. Intelligence and Imitation in Birds, a Criterion of Imitation. Amer. Jour. Psychol., Vol. XXI, pp. 1-71.
Studies of English Sparrow, Cowbird, Snowbird, White-throated Sparrow, Field Sparrow, Bluebird, White-crowned Sparrow, Fox, Song and Tree Sparrows, Blue Jay, Baltimore Oriole, and Crows.
Poulton, E. B.
1896. On the Courtship of Certain Acridiidæ. Trans. Ent. Soc. London, pp. 233-252.