Motor co-ordination of pecking fowls

Benner, 1938, Untersuchungen über die Raumwahrnehmung der Hühnen, Z. Wiss. Zool, 151, 382 Bird, 1925, The relative importance of motivation and habit in the development of an instinct, 32, 68 Bird, 1926, The effect of maturation upon the pecking instinct of chicks, 33, 212 Bird, 1933, Maturation and practice; their effect upon the feeding reactions of chicks, J. comp. Psychol, 16, 343, 10.1037/h0072579 Breed, 1911, The development of certain instincts and habits in chicks, Behav. Monogr, 1, 1 Cruze, 1934, Maturation and learning in chicks, J. comp. Psychol, 19, 371, 10.1037/h0063532 Hutchinson, 1954, A simple climatic chamber for physiological work with poultry, J. agric. Sci, 44, 361, 10.1017/S002185960004483X Katz, 1924, Das Zielen bei Tieren. (Versuche mit Hühnern), Z. Psychol, 95, 27 Moseley, 1925, The accuracy of the pecking response in chicks, J. comp. Psychol, 5, 75, 10.1037/h0070336 Padilla, 1935, Further studies on the delayed pecking of chicks, J. comp. Psychol, 20, 413, 10.1037/h0055137 Shepard, 1913, Maturation and use in the development of an instinct, J. anim. Behav, 3, 274, 10.1037/h0070089 Wood-Gush, 1955, Behaviour of the domestic chicken: a review of the literature, Brit. J. anim. Behav, 3, 81, 10.1016/S0950-5601(55)80001-9